Type 1047 / 1048 Construction Type 1049 / 1050 / 1051 Industrial ... · Adjustment protocol V4.7 A...

Service ManualType 1047 / 1048 Construction Type 1049 / 1050 / 1051 Industrial

3.56.1

Adjustment protocol V4.7 A 924 C LILH

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Adjustment protocol V4.7 A 924 C LI

1 Type 1047 / 1048 ConstructionType 1049 / 1050 / 1051 Industrial

Valid from serial number 39037

1.1 From software version V4.7

Date: Mechanic: Cust.:

Type: Serial number: Operating hours:

Check/adjustment Uni

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Machine-specific data

Machine type

Serial number

Software versions

Operating voltage

Operating hours

Diesel engine

Low idle rpm rpm 900 +100 .......

High idle rpm rpm 1950 +50 .......

Operating conditions

Oil temperatureWarming up equipment

C° > 50 +10 ....... .......

Adjustment protocol V4.7 A 924 C LI Service ManualType 1047 / 1048 Construction Type 1049 / 1050 / 1051 Industrial

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Pilot pressure

Preselect mode P.Adjustment at the valve 51

Pilot pressure bar 32 ±1 ...... ....... 51 49

Limit load control / flow reduction

Valves Y50 (LR) / Y51 (LS)

Adjustment in menu:In menu "set data", select "set control 2.1".


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Set submenu reg. valve min to (ON).

Proportional valve min.

Test pressure Y51 (tank pressure) bar < 1,0 ...... ...... ...... 57

Test pressure Y50 bar 2.0 ±0.5 ...... ...... ...... 59

Test current mA approx. 200

Set submenu reg. valve 50% to (ON).

Proportional valve 50%

Test pressure Y51 bar 9.0 ±1 ...... ...... ...... 57



...... ...... ......

Set submenu reg. valve max to (ON).

Proportional valve max.




...... ...... ......

Set submenu reg. valve emergency to (ON).Regulating pressure in emergency mode with tilted lever. Remove the cotter pin and tilt the le-ver.After completion of the adjustment, set the lever to its normal position.

Test pressure for emergency operati-on

Test pressure bar 3.5 ±0.5 ...... ...... ...... 59

Test current mA < 30 ...... ...... ......


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Hydraulic begin of regulation of the variable-displacement pump P1/P2

Adjustment in menu:In menu "set data", submenu "set control 2.1", set begin of reg. P1/P2 to (ON).

Check LR pressure.Tank pressure bar < 1,0 59

Double variable-displacement pump P1:

Reduce the pressure value of the secondary pressure-relief valve 261 (extending bucket cylinder)to a value below the begin of regula-tion, and then turn itin again until the control chamber pressure at the measuring point 44 begins to drop relative to 41.

Begin of regulation P1 bar 70 +2 ....... ....... 22.18

4144

Variable-displacement pump P2:

Reduce the pressure value of the secondary pressure-relief valve 261 (extending bucket cylinder)to a value below the begin of regula-tion, and then turn itin again until the control chamber pressure at the measuring point 43 begins to drop relative to 41.

Begin of regulation P2 bar 70 +2 ....... ....... 24.18

4143


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Differential pressure ( -p)

Adjustment in menu:In menu "set data", submenu "set control 2.1", set deltaP P1/P2 to (ON).

Check MLS pressure. Tank pressure bar < 1,0 ....... ....... 57

With extend bucket cylinder function:Set the secondary pressure-relief valve 261 to 120-140 bar (at the measuring point 41).Read the differential pressure ( -p) between 41 (MP) and 45 (LS).

Differential pressure bar 30 +2 ....... ....... 2 4145


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Output power of diesel engine (power test)

Note:Only carry out this test when you sus-pect problems (e.g. reduced power of diesel engine).Insert the service plug.Preselect mode P.

Lower the pressure value of the se-condary pressure-relief valves 242 (extending stick cylinder) and 261 (extending bucket cylinder) to a value below the test pressure.

Activate power test function at the display.

The fan is automatically set to nemer-gency.(I LR = 100%) - do not change.

Slowly increase the pressure value of the secondary pressure-relief valve 242 or 261 until the test value (guide value) is reached.

bar 135 -10 ....... ....... 242261

41

At test pressure, the speed of the die-sel engine may not drop below the ra-ted speed.

rpm 1800 +20 ....... .......

(read rpm on screen)Difference between measuring points.

bar < 10 ....... ....... 4144

41 - 44 (P1)41 - 43 (P2)


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Pump valve

Preselect mode P.

Test pressure bar 45 - 60 ....... ....... 102 41

Measure check measurement X, if re-quired

(Q min. stop at variable-displacement pump)

mm approx. 27.0

....... ....... 102 X

Secondary pressure for working functions

Turn up the pressure cut-off valve101 screwed in(to max. 410 bar)Preselect mode P.

Note!For special attachments (e.g. verti-cally and horizontally adjustable boom), observe the instructions on the attached information signs, which refer to a reduced secondary pressu-re in the relevant control block sec-tions.

45


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-Retracting boom cylinder bar 380 +20 ....... ....... 222 45

bar *80 +20 ....... ....... 222 45

-Extending boom cylinder bar 380 +20 ....... ....... 221 45

-Retracting stick cylinder bar 380 +20 ....... ....... 241 45

-Extending stick cylinder bar 380 +20 ....... ....... 242 45

-Retracting bucket cylinder bar 380 +20 ....... ....... 261 45

-Extending bucket cylinder bar 380 +20 ....... ....... 262 45

-Forward travel bar 380 +20 ....... ....... 177 45

-Reverse travel

* industrial equipment only

bar 380 +20 ....... ....... 176 45

Accessory kit AS1

Secondary pressurePreselect mode P.Pressurise secondary pressure-relief valve.

Secondary relief valve bar 110 +20 ....... ....... 544 45

Rotating speed(flow rate)

Checking measurement Y

Connection A mm approx. 10.5

....... ....... 1 1

Connection B mm approx. 10.5

....... ....... 2 2


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Operating pressure (pressure cut-off)

Preselect mode P.

Operating pressurevia bucket cylinder function

bar 350 +10 ....... ....... 101 41


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Lowering speed of attachment

Preselect mode P.

Lowering restrictor for boom cy-linder dimension d:

for construction model mm 19.5 ±1 ....... ....... 115

for industrial equipment* mm 15.0 ±1 ....... ....... 115

Lowering restrictor for stick cylin-der dimension d:



Lowering restrictor for bucket cy-linder Dimension d:



LS pressure check at

Retracting boom cylinder bar approx. 15/15*

....... ....... 45

Extending stick cylinder bar approx. 40/100*

....... ....... 45

Retracting bucket cylinder bar approx. 90/90*

....... ....... 45

The measurement must be per-formed without attachment!


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Slewing gear function

Turn in both valves 134 and 137 by three revolutions.

Turn in by three revolutions. 134

Turn in by three revolutions. 137

Secondary pressure

Swivelling (Pmax)Counterpressure

Turning right bar 260 +10 ....... ....... 13112

145

Turning left bar 260 +10 ....... ....... 13212

146

Braking (Pbr)

Turning right bar 85 +10 ....... ....... 13134

145

Turning left bar 85 +10 ....... ....... 13234

146


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Characteristic(at control pressure = 14 bar)

bar 14 ±0.1 ....... ....... 147

Turning right bar 160 +10 ...... ....... 1316

145

Turning left bar 160 +10 ...... ....... 1326

146

TC characteristic PTCat control pressure = 16 bar

bar 16 ±0.1 ...... ....... 137 147


from serial no. 42466 bar 130 +5 ...... ....... 145

Turning left bar 160 +5 ...... ....... 146

from serial no. 42466 bar 130 +5 ...... ....... 146

Primary pressure (high pressure) 134


Turning left bar 240 +10 ...... ....... 146

Stroke limitation of the spool

Checking measurement X mm 41.3 +0.1 ...... ....... X


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Turning speed

Adjustment at the control axle of the slewing gear 130.

Turning right rpm 9.0 - 9.5 ....... ....... 130.1.1

Turning left rpm 9.0 - 9.5 ....... ....... 130.2.1


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Travel function

Travel motor regulationAdjusting screw 64on the travel motor 170.Screw in the measuring connection M2.

Begin of regulation bar 240 ....... ....... 64 45M2

End of regulation bar 320 ....... ....... 64 45M2


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Output speed(travel speed)

Speed of universal joint shaftmeasured at the universal joint shaft in on-road gear forward / reverse

Tyre size 11.00-20: (20 km/h)

Standard machine forward rpm 1850 ±25 ....... ....... 160.1.1

Standard machine reverse rpm 1850 ±25 ....... ....... 160.2.1

Type 1050/1051 with Kessler axles

Standard machine forward rpm 2170 ±25 ....... ....... 160.1.1

Standard machine reverse rpm 2170 ±25 ....... ....... 160.2.1

Tyre size 11.00-20: (25 km/h)

Speeder machine forward rpm 2320 ±25 ....... ....... 160.1.1

Speeder machine reverse rpm 2320 ±25 ....... ....... 160.2.1

Checking measurement Xat travel motorStop screw (Qmin)

Standard machine mm 21.0 ....... ....... 35 35

Speeder machine mm 25.0 ....... ....... 35 35


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Hydraulic fan control

Adjustment in menu:In menu "set data", select "set control 2.1".

Set submenu fan min to (ON).

Fan speed rpm 500 +150

-300...... ......

Test current mA 500 ±20 ...... ......

Set submenu fan max to (ON).


-100...... ......

Test current mA 150 ±20 ...... ......

Set submenu fan emergency to (ON).


-200...... ......

Test current mA approx. 0 ...... ......

Reversible fan drive (optional equip-ment)

Normal operation


-100...... ......

Test current mA 150 ±20 ...... ......

Reverse operation


-250...... ......

Test current mA 150 ±20 ...... ......


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Steering function

Select mode P.

Primary pressure bar 180 +8 ....... ....... 5 83

Turn the vehicle wheels to the outer steering stop, and then continue tur-ning the steering wheel slowly.

Note!The primary pressure-relief valve 5 cannot be adjusted. The valve 5 can only be replaced, if necessary.


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Brake function

Brake system

Accumulator charge pressure:

Switch-on pressure bar 150 ±5 ....... ....... 74 27

Shut-down pressure bar 185 ±5 ....... ....... 74 27

Switching pressure (B20) drop-ping

bar 100 ±5 ....... ....... 76 153

increasing bar 125 ±5 ....... ....... 76 27

Operating brake

Front brake circuit bar 75 +10 ....... ....... 102 25

Rear brake circuit bar 75 +10 ....... ....... 102 26

Switching pressure (B60) bar 5 ....... ....... 77 2526

Accumulators

Filling pressure (nitrogen) bar 50 ....... ....... 252627


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Type 1047 / 1048 Construction Type 1049 / 1050 / 1051 Industrial ... · Adjustment protocol V4.7 A...

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