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MULTI-COUPLER SERIES 1C & 1F

FRONT & REAR LOCK

OPERATIONS AND MAINTENANCE MANUAL

Cast Multi-Coupler Series 1C

CONTENTS

1.0 INTRODUCTION1.1 WARRANTY REGISTRATION

1.2 TO THE OWNER

2.0 SAFETY INSTRUCTIONS2.1 JB ATTACHMENTS MULTI COUPLER CAB OPERATION

2.2 SAFETY IDENTIFICATION LABELS

2.3 SERIAL NUMBERS

2.4 S.W.L - SAFE WORKING LOAD

2.5 S.W.L - LIFTING EYE

3.0 STANDARDS3.1 QUALIFICATION OF OPERATING PERSONNEL

3.2 RISK ASSESSMENT WORKING WITH JB ATTACHMENTS MULTI COUPLER

3.3 RISK ASSESSMENT MULTI COUPLER PRE-START DAILY CHECK SHEET

4.0 INSTALLATION4.1 FITTING MULTI COUPLER TO DIPPER ARM

4.2 FITTING HOSE FROM DIPPER TO MULTI COUPLER

4.3 (OPTIONAL) FITTING OF MANIFOLD BLOCK

4.4 MANIFOLD PARTS LIST

4.5 SOLENOID CONTROL VALVE

5.0 OPERATION5.0 OPERATION GUIDE FOR ATTACHING BUCKET

5.1 OPERATION GUIDE FOR ATTACHING BUCKET

5.2 CONNECTION TEST

5.3 CHECKING ATTACHMENTS AND BUCKETS

6.0 GENERAL MAINTENANCE6.1 WEEKLY CHECKS AND GREASE LOCATIONS

6.2 - 6.6 500hr PREVENTATIVE MAINTENANCE CHECK

6.7 MAINTENANCE AND REPAIR LOG

6.8 TORQUE SPECIFICATIONS

7.0 PARTS IDENTIFICATION FOR MULTI COUPLER7.0 PARTS DRAWING AND LIST FOR 1C MULTI COUPLER

7.2 PARTS DRAWING AND LIST FOR CYLICNDER

7.4 MULTI-COUPLER 1C SERIES SPECIFICATIONS

This manual contains important information about the installation, connection, maintenance and safe operation of the JB Attachments Multi Coupler. You can assist in this proactive safety approach by ensuring that all persons involved with the fittingor operation of the Multi Coupler, read and understand these basic safety features and instructions.

JB Attachments Ltd (JB Attachments) reserves the right of modification as a result offurther technical developments with regard to the information and illustrations cited in this manual.

• JB Attachments and its suppliers have sole copyright of this manual.

• The manual is intended solely for the use of the JB Attachments Multi Coupler System.

• No part of this manual may be reprinted, translated or reproduced by any means without prior written permission from JB Attachments.

• Utilisation for the purposes of competition is forbidden.

• The JB Attachments Multi Coupler is designed for safe and dependable service if installed, maintained and operated correctly.

We request that time be devoted to the study of installation and maintenance requirements. Users are also expected to familiarise themselves with the correct operation and use of the Multi Coupler, and its advised safety procedures.

IMPORTANT NOTE:To comply with Occupational Safety and Health requirements, a record must be made of all repairs, adjustments and regular maintenance events involving your Multi Coupler.

A logbook has been placed at the back of this manual for this purpose.

DISCLAIMER:In the event of complete hydraulic failure the front and rear safety locks will ensure the attachment remains secured to the excavator. In this situation under no circumstance should an operator attempt to continue working with the equipment, until repairs have been made. Using the multi-coupler in this situation will cause significant damage to the safety locks. JB Attachments will not cover any warranty for damage caused by failure to follow this direction.

INTRODUCTION

1.0

CUSTOMER ACCEPTANCE AND WARRANTY

REGISTRATION

Upon delivery of your JB Attachments Multi Coupler, please complete and return this form immediately to your JB Attachments Multi Coupler distributor.

DATE OF DELIVERY: _______________________________________________

SERIAL NUMBER: __________________________________________________

I confirm that the operator of the relevant excavator has read and understands theOperating Instructions and Warranty Terms, which relate to the JB Attachments Multi Coupler.

The Operator accepts that he/she is responsible for understanding safety and operation features of the JB Attachments Multi Coupler.

NAME: ___________________________________________________________

POSITlON: ________________________________________________________

COMPANY: _______________________________________________________

SIGNATURE: ______________________________________________________

THE PURCHASER SHALL:• Follow the recommended installation, testing, maintenance and operating procedures.• Comply with safety and training guidelines for use of equipment (not totally exclusive).• Keep an accurate maintenance, operation, malfunction and repair log of equipment.• Ensure that the equipment is used for the purpose it was intended for.

The Purchaser is to sign this declaration with the understanding of the above and return this copy (also retaining a copy) to:

JB Attachments Limited

PO Box 98979, Manukau City 2241, Auckland, NZ

59 Magnesium Drive, Crestmead 4132, Brisbane, AUS

INTRODUCTION

1.1

TO THE OWNERAs the new owner and/or operator of the JB Attachments Multi Coupler we would recommend that you take the time to read this Operation Manual carefully before commencing work.

FOLLOW THE SAFETY INSTRUCTIONS:

• Carefully read all the safety information contained in this manual.• Make sure all warning signs are legible.• Immediately replace any signs which are missing or damaged.• Before starting work make sure you are familiar with the equipment, and where

necessary, with the machine and its control devices.

INFORMATION FOR THE USER:

The user of the JB Attachments Multi Coupler system is obliged to ensure that the equipment is always in safe working order in accordance with accident prevention regulations, Occupational Health and Safety or any other official instructions

WARRANTY REGULATION:

JB Attachments provides an extended guarantee according to its sales and delivery conditions, up to twelve months from delivery.

The extended guarantee assumes proper operation and use as intended, but will be nullified as a result of

• Repairs or other intervention undertaken by persons not authorised by JB Attachments.

• With use of accessories or replacement parts not approved by JB Attachments or which are not original replacement parts supplied by JB Attachments.

After the warranty period has expired, we further recommend use of original replacement parts and manufacturer’s replacement parts approved by JB Attachments.

PLEASE COMPLETE THE CUSTOMER ACCEPTANCE AND WARRANTY REGISTRATION FORM LOCATED IN THIS MANUAL - FAILURE TO REGISTER MAY INVALIDATE YOUR WARRANTY CLAIM.

INTRODUCTION

1.2

SAFETY INSTRUCTIONSThis safety alert symbol indicates important safety messages in this manual. When you see this symbol carefully read the message that follows and be alerted to the possibility of personal injury or death.

WARNINGImproper operation of this machine can cause injury or death. Before using this machine make certain that every operator:

• Is instructed in safe and proper use of the attachment• Reads and understands the manual pertaining to the attachment• Reads and understands all safety decals and tags on the machine• Clears the area of all other persons• Learns and practises safely using attachment controls in a safe, clear area

before operating this machine on a job site

It is your responsibility to observe pertinent laws and regulations and follow JB Attachments instructions for operation and maintenance.

!

JB Attachments supplies a standard Multi-Coupler to fit JB Attachments approved attachments. However when fitting a non standard attachmentcheck the operation fitting guide for the attachment s pin range and width to suit the Multi Coupler model.NOTE: The Multi-Coupler has a maximum and minimum pin center travel range. Please refer to the attached badge on the Multi Coupler for this information.

!

SAFETY INSTRUCTIONS

2.0

ATTACHMENT PICK UP: Rear Slide Hook needs to be fully extended to release front safety hook before front pin of attachment is engaged

STEP 2: Engage front attachment pin STEP 3: Retract slide hook to engage safety hook pin

ATTACHMENT RELEASE: 1. Place attachment on flat ground 2. Retract slide hook. Crowd out of rear pin3. Pressurise hydraulics to extend slide hook and release safety hook at front pin

MULTI-COUPLER SERIES 1C QUICK HITCH

SAFETY INSTRUCTION DECALS

Decal for inside cab. Number 1. Part # JB Attachments1467

The operation instructions are to be fitted inside the cab in clear view of the operator.

2.1

MULTI-COUPLER LIFTING PROCEDURE

DO NOT LIFT FROM BUCKET

WARNING: Use correct lifting connection

• Do not lift with any attachment connected to the Multi Coupler • Only use lifting eye on the Multi Coupler• Do not exceed lifting eye capacity on nameplate • Do not exceed rated lift capacity of the machine• Fully retract Slider before using lifting eye • Use in a safe and proper manner at all times • Ensure Multi Coupler is in vertical position before using lifting eye

CONTACT NUMBERSAUST +61 7 3803 9400

NZ +64 9 278 4863

DO NOT LIFT WITH SLIDE EXTENDED

LIFT WHEN VERTICAL & SLIDE FULLY RETRACTED

DO NOT LIFT FROM JAW

Decal for inside cab. Number 2.

All JB Attachments Multi Couplers have an identification label with the machinemodel recorded

The pin centre range displays the minimum and maximum travel distance for each slide hook on the Multi Coupler. All attachments must be within the parameters of these measurements identified on the label. The label also identifies the slide hook type.

!

The badge also displays the SWL and data information.

Note: The SWL is also stamped on the lifting eye!

Each JB Attachments Multi Coupler will have an identification label fitted.

SAFETY IDENTIFICATION LABELS

2.2

CouplerCOUPLER

CouplerCoupler

Coupler

The hydraulic cylinder also has the serial number stamped on it. This is important for the serial number and identification of the model it isused for when referring to part numbers for future repairs.

The slide hook will have numbering for identificationof the type and model, this specifies pin range and pindiameters.

Each JB Attachments Multi Coupler has an identification label fitte

fitted

The Multi Coupler has the serial number stamped on the casting. This is situated on the top of the ears and also on the attached label.

Casting batch identification numbe .

Each JB Attachments Multi Coupler will have an identification label fitted.

SERIAL NUMBERS

2.3

The Rear Safety Latch will have numbering for identi-fication that specifies the pin diameter that the safetlatch is effective with.

2.2

1. Ensure that the load to be lifted does not exceed the safe working load of the lifting eye or the machine to which it is fitted

2. The lifting eye is to be used with a certified lifting shackle with the same orgreater safe working load.

3. S.W.L - Safe Working Load is stamped on the lifting eye and the Multi Coupler is fitted with a label on the side that specifies maximum working loa

4. Lifting eye has to be visually inspected daily.

5. Ensure Slider is fully retracted before using the Lifting Eye.

Safe Working Load is stamped on top of lifting eye

Only use certified lifting shackle

Only lift from lifting eye situated on the rear of the Multi Coupler

S.W.L - Lifting Eye Capacity is stated on the Badge

SAFE WORKING LOAD BADGE

JB Attachments Multi Coupler Lifting Restrictions

S.W.L - SAFE WORKING LOAD

2.4

Only lift when Slider is fully retracted!

WARNING: Use correct lifting connection

!

WARNING - VISUAL INSPECTION OF LIFTING EYE

The operator is required to carry out daily visual inspections of the lifting eye to check for defects and wear. This is on the pre-start checklist (see page 3.3) and 6 monthly check (see Page 5.5).

Thorough lifting eye examination must take place every six months or as exceptional circumstances occur. (Exceptional circumstances are those that are likely to jeopardise the integrity and safety of the lifting eye).

!

DO NOT LIFT FROM JAW

DO NOT LIFT FROM BUCKET

• Only use the eye at the rear of the Multi Coupler for lifting.• Do not lift with bucket or any attachment fitted to the Multi Couple .

• Lifting must be carried out with the Multi Coupler in a vertical position so that the load can hang free without contacting the Multi Coupler body.

JB Attachments Multi Coupler Lifting Procedures

S.W.L - LIFTING EYE

2.5

WARNING Ensure Multi-Coupler Slider is fully retracted when using Lifting Eye

!

STANDARDS AND OCCUPATIONAL SAFETY AND HEALTH GUIDELINES

The standards and Occupational Safety and Health Guidelines for the JB Attachments 1C Multi Coupler are as follows:

• AS4772-2008 Standards Australia. Australian standard for - Earthmoving Machinery - Multi Coupleres (couplers) for excavators and backhoe loaders - AS4772-2008 section C12.1.4

• AS 1418 5 1995 Cranes (Including hoists and winches) Part 5: Mobile vehicle loading cranes.

• Position Paper Nov 2013 WorCover NSW, CMEIG and IPCC

• European Standard EN474-1:200, EN474-5; Section 4.1.9.1/2 and 3.

• ISO13031

• Electrical Interlocking for Safety in Industrial Processes.

• Standard Operating Guidelines for Plant and Machinery.

We request that time be devoted to the study of installation and maintenance requirements. Users are also expected to familiarise themselves with the correct operation and use of the Multi Coupler, and its advised safety procedures.

ASSOCIATED STANDARDS

• AS 2954 Earthmoving Equipment - Rated Loads and Volumetric ratings

• AS 2954 Earthmoving Equipment - Tests and Measurements

• AS 2954 Earthmoving Equipment - Instrumentation and Control

• AS 2954 Earthmoving Equipment - Operation and Maintenance• AS 2954 Earthmoving Equipment - Safety• Excavator and attachments must be suitable or converted for mounting the

JB Attachments Multi Coupler (in agreement with JB Attachments).• The crowd and breakout forces specified by the excavator m nufacturer muositionst

not be exceeded.• The JB Attachments Multi Coupler must not be used for impact work (only with

attachments specified for this)• Load hook rating must never be exceeded.• Adherence to the specificatio s in this manual is part of the intended use.• All JB Attachments Multi Coupler models have specific safety features, see those

that relate to your purchase.

STANDARDS

Design, Installation, Maintenance and Operation

3.0

Only the following persons may work independently with the JB Attachments Multi Coupler system, and earthmoving machinery in general - Those who:

• Are over 18 years of age.

• Are physically and intellectually able.

• Have been instructed in the general regulations concerning operational safety and particularly accident prevention.

• Have been instructed in assembly, operation and maintenance of earth moving machinery and using the JB Attachments Multi Coupler system. They must understand these operating instructions and have proven to the contractor that they are capable of operating such machinery.

• Ensure that only authorised personnel work with the Multi Coupler system.

• Only give instructions to competent, skilled personnel.

NOTE: FOR JB ATTACHMENTS MULTI COUPLER SYSTEMS SUPPLIED TO OR MANUFACTURED IN COUNTRIES OTHER THAN NEW ZEALAND, THE RULES FOR PREVENTION OF ACCIDENTS AND SAFETY REGULATIONS FOR THE RESPECTIVE COUNTRY MUST BE STRICTLY ADHERED TO.

!Some fittings - for connection to main pump test port and adapter for return oil to tank - will not be supplied due to the number of different types of connections.

STANDARDS

3.1

Qualification of Operating Personnel

RISK ASSESSMENT

Location: Date: Ref no:

Hazards Identified:• Work Equipment• Lifting Devices• Ergonomics• Entanglement• Crushing• Access/egress• Slip, trip and fall

• Plant movement• Warning devices on equipment• Noise• Vibration• Fumes• Environmental

People Affected YES NO N/A

Involved in activity

Close to activity

Everyone on site

Members of the Public

Expected Precautions YES NO N/A

Has the operator been adequately trained on the use of the Multi Coupler in general?

Is the operator competent in using the specific Multi Coupler on the machine in use?

Is there a system for checking that the attachments pins are in place on the Multi Coupler prior to work start every time a different attachment is fitted?

Is the operator aware that they must not operate the machine unless they are satis-fied that the Multi Coupler is secured in place?

Is the view of the operator from inside the CAB able to visually see that the Multi Coupler is secured in place?

Does the Multi Coupler have the approved labels stating and referring to Multi Coupler specifications?

Is there a risk assessment for the bucket detachment?

Is there a checklist of daily and weekly inspections?

Is there cab instructions for the Multi Coupler?

Personal Protective Equipment - (PPE)

Hard Hat Hi Vis Vest Safety Boots Gloves

Ear Protection Safety Glasses Other

Management

Assessed By: Reported To:

Name:Date:

Name:Date:

WORKING WITH MULTI COUPLER

3.2

RISK ASSESSMENT

DAILY MULTI COUPLER PRE-START CHECK SHEETOperator’s Name: JB Attachments Model:

JB Attachments Multi Coupler: Date:

MON

TU E

W E D

T HU

F R I

S A T

S U N

In Cab

Multi Coupler Operating Controls(Alarm, warning light, switch)

Operating Instructions (labels)

Operating Manual

Hydraulic System

Wear or damage to hoses or fittings

Security of hoses

Hydraulic oil leaks

Multi Coupler

Damage to Multi Coupler latches Front and Rear

Correct functioning of safety latch device, rear slide hook and cylinder

Build up of dirt and debris from around safety latch

Build up of dirt and debris from rear slide hook and Safety Latch

Wear on Multi Coupler body

Wear on slide hook / rear Safety Latch

Wear and damage to bucket / attachment pins and retain-ers

Security of mounting pins, locking bolts and nuts

Check Rear Slider Latch Tension

Is the Multi Coupler safe to use? YES or NO

LUBRICATION

Greasing in accordance with manufacturer’s instructions

Operator Signature Manager Signature

3.3

FITTING HOSES TO CYLINDER Remove plugs from cylinder

Check surface is clean prior to connecting banjo fitting on hose

STEP 1

Banjo bolt Part# JB Attachments_Auto-c-cyl-015

Banjo washer Part# JB Attachments_Auto-c-cyl-016

Banjo Part# JB Attachments_Auto-c-cyl-022

Banjo Washer Banjo Washer

BanjoBanjo Bolt

WARNING:

Some Multi Coupler models will require that the cylinder be removed to allow room to fit Banjo Bolt cylinder hose fitting

!Before removing the hydraulic cylinder from the Multi Coupler, it is best to remove the check valve because the check valve will hold the pressure inside the cylinder and cause resistance. Follow the steps below to relieve the internal pressure in the cylinder:

Step One: The grub screw on the base of the cylinder body will need to be removed to release any back pressure.

Step Two: Remove check valve.

Step Three: Check seals are centered correctly and look for damages prior to assembly.Step Four: Once check valve is fitted, tighten to the below specifications- Check Valve Torque 30ft/lbs - 40Nm- Grub Screw Torque 15ft/lbs - 20Nm

FOR JB ATTACHMENTS FACTORY FITTED MULTI COUPLER KIT ON EXCAVATOR

INSTALLATION

WARNING:Do Not Remove under hydraulic pressure

!

4.0

Align JB Attachments Multi Coupler to the dipper arm and fit o-ringseals and shims where required.

Install original equipment manufacturer’s harden fixspacing pins to attach JB Attachments Multi Coupler to dipper arm on excavator. Fit locking bolts and nuts to secure pins.

CHECK PINS ARE ORIGINAL

EQUIPMENT MANUFACTURER’S

PINS.

STEP 2

STEP 3

!


INSTALLATION

4.14.0

Check hose lengths. The hose routing should be snug around the dipper arm but not too tight. It should be free to move 10mm to 20mm in both directions. Confirm both hoseswill not be pinched or damaged by the crowd linkage in both directions.

Tighten hose fittings in place(20ft/lbs / 27Nm)

HOSE POSITIONSTEP 4

OPTION (A) HOSES

Installation set up process can be done either using option (A) or (B) below:(A) Direct fitting from Multi Coupler to dipper arm piping via hoses(B) Fitting from Multi Coupler to manifold block to dipper arm piping

OPTION (B) DISTRIBUTION BLOCK

The manifold block is an ideal way of keeping the hoses short and, with the hose in a reverse position, it has a natural spring movement pulling the hose away from contact with the crown linkage.

Tighten hose fittings in place (20ft/lbs/27Nm)

The manifold block is available with two extra ports for operation with a tilt Multi Coupler or tilt bucket.


INSTALLATION

4.2

HOSE POSITIONSTEP 4

Measure up the distance specified for your machine from the center line of the stick pin andmake a mark. This mark will locate the back side of the manifold block (no ports). Remove paint and weld the manifold block. Ensure it is centered on the top surface of the stick.Note: Only weld on the backside of the manifold block (no ports). Welding anywhere else may cause damage to the ports of the block.

WARNING: Disconnect battery prior to welding. Failure to do so could result in damage to the machine’s electronic system.

Note: Protect hydraulic cylinder rod from weld spatter during welding operations.References to “right” and left” are from the perspective of the operator in the cab of the machine.

Install jump hoses into two ports of Multi Coupler cylinder. Make sure hoses are tight before proceeding.

INSTALLATION


The length of the hoses are 300mm. Measurement may vary depending on different machine makes and models.

!Note: This distance will vary

to suit different machine,

makes and models

4.3

EXITINGRETRACT HOSE

EXITINGEXTEND HOSE

TO Multi Coupler

CYLINDER PORTS

WELD THIS SIDE ONLY

“B” = See instructions for your machine model

240mm


ITEM QTY Part No. Description REVISION1a 1 4 port kom weld block Manifold Block 4 Port A1b 1 8 port kom weld block Manifold Block 8 Port A2 4 4009-4-4 Adaptor A3 2 - Plug A


HOSE POSITIONSTEP 4Install jump hoses to two center fittings. Hold back nut, secure with wrench and tightendown hoses. This will keep the jump hoses from turning and allow them to stay in the correct upright position. Connect existing hoses to the outer two ports of manifold block and route up-stick to solenoid valve. Use hose clamps to secure. Connect extend hose (right side) to port “EXT” of valve, and retract hose (left side) to port “RET”. Slowly cycle Multi Coupler and check for any interference. If interference exists, contact JB Attachments customer service immediately.

INSTALLATION

4.4

EXITINGRETRACT HOSE

EXITINGEXTEND HOSE

TO Multi Coupler

CYLINDER PORTS

WELD THIS SIDE ONLY

“B” = See instructions for your machine model

2

2

Index Code Part No. Description Qty20J-62-13141 Valve 1

1 20J-06-11640 Coil 12 20J-60-11590 Valve 13 20J-60-11580 Valve 14 20J-60-11570 Block 1

Please ensure that during installation of a JB Attachments Multi Coupler the pressure in the hydraulic circuit is checked and set at:

Pressure adjustment

195-210kg/cm(2800-3000PSI)

This is important for correct Multi Coupler operation and must be set within the above parameters.

2

SOLENOID CONTROL VALVE

INSTALLATION

WARNING:Important - check solenoid valve pressure.!

CIRCUIT DIAGRAM

4.5

1. With quick-hitch switch (located inside excavator cab) in OFF position, ensure slide is fully extended with front jaw safety lock open.

2. Line up attachment and engage front attachment pin.

OPERATION AND ATTACHING

ATTACHMENT OPERATION

OPERATION GUIDE

5.0

BEFORE ATTACHMENT, ENSURE SAFETY LOCK IS OPEN

STROKING THE PUMP METHOD:

3. Activate the quick-hitch switch ON.

4. Crowd Multi-Coupler - this will charge the quick-hitch lines to retract the slide mechanism and this will visibly lock the front jaw safety latch around front attachment pin.

5. Turn the quick-hitch switch OFF.

6. Dump or Crowd Multi-Coupler -this will cause the sliding mechanism to extend and engage the rear slide hook onto the rear attachment pin.

7. Proceed with Connection Test

+

FRONT JAW VISIBLY LOCKED

+

REAR SLIDE HOOK AND SAFETY LOCK ENGAGED

FRONT JAW LOCK

REAR SAFETY LOCK

FRONT PIN

SLIDEMECHANISM

REAR SLIDE HOOK

RELEASING ATTACHMENT FROM MULTI-COUPLER


MULTI COUPLER OPERATION

ATTACHMENT OPERATION

OPERATION GUIDE

5.1

ELECTRONICALLY STROKED METHOD:

3. Activate the quick-hitch switch ON.

This will retract the slide mechanism and this will visibly lock the front jaw safety latch around front attachment pin.

5. Flick the quick-hitch switch OFF.

The sliding mechanism will extend and engage the rear slide hook onto the rear attachment pin.

6. Proceed with Connection Test.

FRONT JAW VISIBLY LOCKED

1. Place attachment on flat ground

2. Activate quick-hitch switch ON to retract the slide mechanism. Crowd out of rear pin.

3. Turn quick-hitch switch OFF to extend slide hook and release red locking jaw around front pin.

4. Lift Multi-Coupler away from attachment...

REAR SLIDE HOOK AND SAFETY LOCK ENGAGED

Note: The rear safety lock will automatically engage/disengage during the process.

To ensure the Multi Coupler has engaged securely to pins on attachment:

Visually check the safety latch is engaged on the front pin.

Test before operating through applying pressure to bucket/attachment by rotating against the ground and away from machine.

Do not proceed with work unless the safety latch is in closed position on the front pin.

If the safety latch on the front pin is open DO NOT OPERATE MACHINE.

!


CONNECTION TEST IMPORTANT

WARNING! Check all attachments are fitting correctl . The safety latch is designed to work in closed position on the front pin. If the safety latch is not closed when attached to any attachment, check the rear jaw on the Multi Coupler is fitting. If uncertain DO NO USE THIS ATTACHMENT - call your local JB Attachments dealer for assistance. Advise manufacturer of which attachment is not fitting and arrange modification before it is use

SAFETY LATCHES IN CLOSED POSITION

5.2

!DANGER:DO NOT USE ANY ATTACHMENT WITH THE SAFETY LATCH UP

WARNING:Check pin centres of JB Attachments Multi Coupler for all customer’s attachments!

SAFETY LATCH - When the latch is in the lock position the jaw is ready and is in the range of the MULTI pin centers.

A) Check that each individual attachment’s pin-center fits the Multi Coupler to confirm that thLock Jaw is locked down on the front pin.

MIN.MAX

Label will indicate pin center range minimum - maximum

BASE WIDTH

VARIABLE SPACER WIDTH

B) Check the width of each attachment. Where there is an excessive gap (exceeding 10mm), spacers can be fitted to bettersuit the Multi Coupler to the attachment. Spacers can be fitted toeither the base of the Multi Coupler or between the inner side of the ears and the bosses of attachment. It is especially advisable to fit spacers in the case of heavier applications, particularly onmachines that are 10 ton and above.


CHECKING ATTACHMENTS AND BUCKETS

5.35.2

Measure the diameter of the pin on attachment.

(image 1.0)

This should be the same as stated on the JBA Serial Tag.

Use a ruler to check pin centres of all attachments being used.

(image 2.0)

This should be in the range specified on JB Serial Tag.

CHECK PIN DIAMETER IS CORRECT

CHECK PIN CENTRES ARE IN RANGE

If Pin Diameter or Pin Centres do not match with the JBA Serial Tag, safe opera-tion could be seriously impaired. You need to stop using the attachment until changes are made to match attachment to JBA Multi-Coupler. If you require assistance to resolve this issue, please call JB Attachments.

Ensure the correct Attachments & Buckets are used with JBA Multi-Coupler in accordance with the specifications on the JB Multi-Coupler / PowerTilt Serial Tag.

image 2.0

image 1.0

5.4


CHECKING ATTACHMENTS AND BUCKETS

5.4

!

!

!

!

MAINTENANCE

GENERAL MAINTENANCE WARNING - Maintenance Work

Maintenance work must be completed by competent personnel or assistance requested from JB Attachments.

DANGER - Hydraulic Fluid Never use hands to search for hydraulic fluid leaks, use a piece ofpaper or cardboard. Escaping fluid under pressure can be invisible andcan penetrate the skin and cause serious injury. If affected, see a doctor straight away.

WARNING - Multi Coupler Condition A defective Multi Coupler could injure you or others. Do not operate a Multi Coupler that is defective.

WARNING - Hose Arrangement Ensure that the hoses are not too loose and do not come into contact with the spring mechanisms as this will prevent the safe operation of the blocking bar.

Maintenance and Service To ensure that your Multi Coupler works safely and to maximum efficiency it is imperative that it is properly maintained in accordancewith the following service guidelines.

Replacement Parts We recommend that you fit genuine replacement parts. You will need to quote the Multi Coupler serial number stamped on the Multi Coupler data plate when ordering replacement parts.

DAILY CHECKS1) Complete Multi Coupler Pre-Start Check sheet on Page 3.3 of this Operation

Manual.

2) Grease Multi Coupler regularly (minimum of once per week). It is important that all parts are greased.

3) Check lifting eye for damage. If in doubt do not use.

4) Check dirt build up in rear Safety Latch

6.0

Rear slide hook Grease

Grease safety lock pin

Grease

THE MAINTENANCE AND REPAIR LOG FOR THE JB ATTACHMENTS MULTI COUPLER IS ON PAGE 5.6

• It is essential that this log is filled in a the time of carrying out maintenance or repair on the

Multi Coupler.

• In the unfortunate event of an accident, this log may be vital evidence as to compliance with Occupational

Safety and Health requirements.

• Work carried out on this JB Attachments Multi Coupler must only be by an authorised and competent

person.

MAINTENANCE

WEEKLY CHECKSIt is recommended that the following procedures are carried out at least once per week.

1. Carry out all daily, checks (refer to Page 3.3 for guide).2. Lubrication points - Ensure that all grease points are greased regularly (at least once a week

minimum). If damaged, replace and grease. It is important to follow the lubrication instructions in sequence i to v so that none of the grease nipples are overlooked.i. Release the bucket/attachment (refer to the operation instructions-section).ii. Retract the Multi Coupler cylinder. Switch off the engine.iii. Apply grease, via grease nipple (refer to image 1.1 and 1.2).iv. Apply grease via nipple to the hook and rear slide lock on 1C (refer to image 1.1, 1.3).v. Start the engine. Extend the bucket cylinder in order to position the Multi Coupler so that

the cylinder grease nipples are accessible. Switch off the engine.

6.1

Image 1.1 Image 1.2

Image 1.3

500hr PREVENTATIVE MAINTENANCE CHECK

Visual Stress Point on Multi Coupler

1. Visually check the cast Multi Coupler body for any cracks. Refer to the below steps to guide you through the appropriate methods to correctly analyze the cast Multi Coupler body for any defects.

Should you find any cracks anywhere on the Multi Coupler body, contact your local JB Attachments Branch or authorised Service Centre immediately

SIDE FRONT REAR TOP

LIFTING EYE REARFRONT TOP INSIDE

SAFETY LATCHFRONT JAW

6.2

Visual Check Points on Slide Hook


2. Visually check the slide hook for any cracks. Refer to the below steps to guide you through the appropriate methods to correctly analyse the cast Multi Coupler slide hook for any defects.

Should you find any cracks anywhere on the Multi Coupler body, contact your local JB Attachments Branch or authorised Service Centre immediately

1 2

3

4

Check the clearance of the slide hook

The slide hook level should be below the main body line. The rear pin of the attachment will rest on the main body. Each coupler model will vary in the size of the gap but it must be a minimum of 5mm.

Slide Hook Flat Base

Slide Hook

Slide Hook

Multi Coupler

Minimum 5mm Clearance

6.46.3


The slide hook will have free movement when new. To gauge the wear of the cast body and slide hook place an allen key as in image 1 to test the space between the slide hook and cast body. Please see the table below (Guideline for maximum wear) to verify the maximum wear of the cast body.

1

GUIDELINE FOR MAXIMUM WEAR

2-4 Ton Multi Coupler 4mm

6,8,14 Ton Multi Coupler 5mm

20,35,45 Ton Multi Coupler 7mm

Maximum Wear 5mm

If the Multi Coupler frame becomes worn or damaged in this area on the side frame (image 2), contact your local JB Attachments Branch or authorised Service Centre immediately.

Wear Tolerance of the Multi Coupler

Wear Tolerance of the Cast Body and Slide

2

6.46.3

Connect JBA Multi-Coupler to attachment.

Use a ruler to measure the distance between the bottom of the jaw to the tip of the Safety-Latch whilst pulled up with hand - refer to image 3.0. This measurement (mm) is the Maximum Opening Distance.

CHECK MOVEMENT OF SAFETY LATCH

Manual Inspection of JBA Multi-Coupler Safety-Latch is to be carried out to ensure safety-latch movement is within acceptable safety tolerances as specified belo . This is in addition to daily visual check of safety-latch and usual wear-and-tear assessments.

If the Maximum Opening Distance is greater than the Maximum Allowable Opening value for that JBA Multi-Coupler model, safe operation of the JBA Multi-Coupler could be seriously impaired. Please contact JB Attachments service department for advice.

Safe Allowable Variation TableMaxiumum Opening Distance:

This Maximum Opening Distance should be compared to the Safe Allowable Variation Table. If the Maximum Opening Distance is less than the Maximum Allowable Opening value for the Multi-Coupler model, it is safe to use.

image 3.0

!


Multi-Coupler Model (Tonne)

Attachment Pin Diameter (mm)

Maxiumum Allowable Opening in Service (mm)

1C JB02 30 25

1C JB03 35 30

1C JB04 40 34

1C JB06 45 36

1C JB08 50 40

1C JB08 55 45

1C JB08 60 50

1C JB14 60 51

1C JB14 65 54

1C JB20 70 59

1C JB20 80 67

1C JB20 90 77

1C JB35 90 71

1C JB35 100 81

1C JB45 100 79

1C JB45 110 89

MANUAL SAFETY- LATCH INSPECTION

6.5

Ensure all attachment pin centres are within the range stamped on ID plate.

PREVENTATIVE MAINTENANCE CHECK

LIFTING EYE INSPECTION

WARNINGThe Lifting Eye requires visual inspection every 6 months!

1. Visual check for cracking2. Check for wear on the above chart 3. Damage to outer surface Figure 1.1 A, B, D, E, G must be with in the tolerances as to the chart4. If the lifting eye is worn over the recommended ratings listed above “Do not use the lifting eye”

Should you find any cracks anywhere on the lifting eye, contact your local JB Attachments Branch or authorised Service Centre immediately.

Figure 1.1

Wear Limits of Multi Coupler

Multi-Coupler Model

Minimum Lug Width (mm)

(A)

Maximum Lug Width (mm)

(B)

Minimum Lug Thickness (mm)

(D)

Maximum Lug Slot Depth (mm)

(E)

Minimum Lug Slot Width (mm)

(F)

Lug Thickness Wear Tolerance

(mm)(G) (Cumulative)

1C JB02 16 16 11.5 18 13 2.9

1C JB03 22 22 16 23 18 4.0

1C JB04 25 25 21.5 31 21 5.3

1C JB06 25.8 28.4 20 38 30 5.0

1C JB08 24.8 31.0 24.5 43 35 6.1

1C JB14 43.7 49.4 31 48 38 7.7

1C JB20 42.6 50.1 37.5 55 45 9.3

1C JB35 51.5 55.78 40 62 52 10

6.66.5

MAINTENANCE AND REPAIR LOG

DATE FAULT / SERVICE DESCRIPTION MAINTENANCE / REPAIR EFFECTED BY WHOM

6.7

MAINTENANCE

TORQUE SPECIFICATIONS The torque specifications are as follows:

Check valve 30 ft/lbs 40 Nm

B hose connection male (cylinder hose) 15 ft/lbs 20 Nm

A hose connection male (cylinder hose) 26 ft/lbs 35 Nm

Pressure hose connection female 20 ft/lbs 27 Nm

Tank return hose connection female 55 ft/lbs 75 Nm

Weld on block 20 ft/lbs 27 Nm

Solenoid Valve

A Line filter fitting o B M/M Adapter 25 ft/lbs 34 Nm

B Line filter fitting 7/16 JIC x 7/16 U 15 ft/lbs 20 Nm

P Line 9/16 JIC x 9/16 UNF 26 ft/lbs 35 Nm

T Line 3/8 BSP M/M Adapter 55 ft/lbs 75 Nm

Spool Valve 40.6 ft/lbs 54.2 Nm

Check Valve 33.8 ft/lbs 40.6 Nm

Electro-magnetic lock nut 5.4 ft/lbs 8.1 Nm

Plug 9.3 ft/lbs 13 Nm

6.8

7.1

MUTLI COUPLER 1C PARTS DRAWING

7.0

MULTI COUPLER 1C PARTS LISTPA

RT N

UM

BERS

Ref N

o.D

escr

iptio

n 6

T 8

T 1

4T 2

0T 3

5T 4

5T2

1C S

lide

Plea

se S

ee S

lide

Spec

ifica

tion

Tabl

e on

pag

e 7.

5

4C

ompl

ete

Hyd

raul

ic C

ylin

der

1011

710

118

1011

110

112

1011

410

116

3La

tch

1032

710

328

1032

910

330

1033

1N

/A

5Pi

n La

tch

TD G

reas

able

1021

910

215

1021

610

220

1022

1N

/A

6Pi

n C

ylin

der C

irclip

Non

Gre

asab

le10

172

1016

9N

/AN

/A10

173

N/A

7C

irclip

2022

320

224

N/A

N/A

2022

5N

/A

8Sc

rew

CSK

2018

920

189

2019

020

190

1026

4N

/A

9G

reas

e N

ippl

e20

253

2025

320

253

2025

320

253

N/A

10Pi

n Ey

e En

d10

179

1017

610

175

1018

010

181

N/A

11La

bel R

ange

JB10

144

1014

410

144

1014

410

144

N/A

12La

bel I

D JB

1014

510

145

1014

510

145

1014

5N

/A

14Lin

k Si

ze 1

1015

9210

1610

1015

6910

1583

1016

18N

/A

14Lin

k Si

ze 2

1016

28N

/AN

/A10

1626

N/A

N/A

15Sc

rew

Gru

bN

/AN

/AN

/AN

/AN

/AN

/A

16Sp

ring

LH10

1593

1016

1110

1570

1015

8410

1620

N/A

17Sp

ring

RH10

1594

1016

1210

571

1015

8510

1621

N/A

18Pi

n C

ylin

der T

D N

on G

reas

able

N/A

N/A

1022

310

224

N/A

N/A

19Pi

n Lin

kage

Rel

ease

1015

9110

1609

1015

6810

1582

1016

18N

/A

20Sc

rew

CSK

2046

420

465

2046

520

466

2046

7N

/A

21Pi

n Sa

fety

Lat

ch10

1590

1016

0810

1567

1015

8110

1617

N/A

22La

tch

Safe

ty S

ize

140

0552

4005

6740

0536

4005

4240

0572

N/A

22La

tch

Safe

ty S

ize

240

0554

N/A

4005

5540

0544

4005

77N

/A

7.1

7.3

CYLINDER PARTS DRAWING

NO

TE: Cylin

der

des

ign is

dif

fere

nt

for

each

model

.

7.2

CYLINDER PARTS LIST

7.3

PART

NU

MBE

RS

Ref N

o.D

escr

iptio

n 6

T 8

T 1

4T 2

0T 3

5T 4

5T1

Cyl

inde

r Spe

ar10

302

1030

310

304

1030

510

306

1030

7

2C

ylin

der P

isto

n10

233

1023

410

234

1023

510

236

1023

8

3C

ylin

der B

ody

1037

410

107

1037

510

108

1010

910

110

4C

ylin

der G

land

1012

310

124

1012

410

125

1012

610

127

5C

ylin

der C

heck

Val

ve10

325

1032

510

325

1032

510

325

1032

5

6C

ylin

der P

lug

N/A

3023

130

231

3023

130

231

3023

1

7C

ylin

der C

heck

Val

ve S

eal K

it10

268

1026

810

268

1026

810

268

1026

8

8C

ylin

der S

eal K

it10

269

1027

010

270

1027

110

272

3022

8

CO

MPL

ETE

HYD

CYL

IND

ER10

117

1011

810

111

1011

210

114

1011

6

7.4

SERI

ES 1

C S

LIDE

SPEC

IFIC

ATIO

NS

CLA

SSPR

OD

UC

T C

OD

EPI

N S

IZE

SLID

E D

ESC

.PI

CKU

P RA

NG

EW

EIG

HT

RETR

O A

SSY N

OSL

IDE

PART

NO

LATC

H PA

RT N

O

6T14

4501

06Ø

45SI

ZE 1

217-

255m

m62

kg83

4501

0694

0055

194

0055

2

6T14

4502

06Ø

45SI

ZE 2

260-

285m

m62

kg83

4502

0694

0055

394

0055

4

8T14

5001

08Ø

50SI

ZE 1

330-

360m

m94

kg83

5003

0894

0057

394

0057

4

8T14

5002

08Ø

50SI

ZE 2

265-

320m

m94

kg83

5001

0894

0056

694

0056

7

8T14

5501

08Ø

55SI

ZE 1

270-

320m

m94

kg83

5501

0894

0056

694

0059

1

8T14

6001

08Ø

60SI

ZE 1

280-

328m

m94

kg83

6001

0894

0059

494

0059

2

14T

1460

0114

Ø60

SIZE

135

5-39

0mm

162k

g83

6001

1494

0053

994

0055

5

14T

1465

0114

Ø65

SIZE

135

5-40

0mm

162k

g83

6501

1494

0053

994

0053

6

14T

1465

0214

Ø65

SIZE

240

7-42

5mm

162k

g83

6502

1494

0057

894

0057

9

20T

1470

0122

Ø70

SIZE

137

5-41

5mm

274k

g83

7001

2094

0054

194

0054

4

20T

1480

0122

Ø80

SIZE

138

0-43

0mm

274k

g83

8001

2094

0054

194

0054

2

20T

1490

0222

Ø80

SIZE

243

5-48

0mm

274k

g83

8002

2094

0054

394

0054

4

35T

1490

0135

Ø90

SIZE

146

5-51

0mm

445k

g83

9001

3594

0057

094

0057

2

35T

1410

0235

Ø90

SIZE

250

0-55

0mm

445k

g83

9002

3594

0057

694

0057

7

35T

1410

0135

Ø10

0SI

ZE 1

550-

600m

m44

5kg

8310

0135

9400

598

9400

597

MULTI-COUPLER SERIES 1C SPECIFICATIONS

JB Attachments Australia59 Magnesium Drive, Crestmead, Australia 4132

Ph: +61 7 3803 9400

Web: www.jbattachments.com

JB Attachments New Zealand49 McLaughlins Road, Wiri, Auckland 2104

Ph: +64 9 278 4863

www.jbattachments.com

(P) PUBLISHED SEPTEMBER 2014

MULTI-COUPLER SERIES 1C & 1F - Amazon...

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