Esquema Hidraulico (966H)_IMPRESION A3.pdf
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Components are shown installed on a fully operable machine with the key and engine off, transmission shifter in neutral and with parking brake set. SCHEMATIC PART NUMBER: 242-0337, CHANGE: 10, VERSION: - Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations. MEDIA NUMBER: RENR8828-04 THIS SCHEMATIC IS FOR THE 966H AND 972H WHEEL LOADER HYDRAULIC SYSTEM 1 2 3 4 5 6 7 8 A B C D E F 1 2 3 4 5 6 7 8 A B C D E F HYDRAULIC CIRCUIT COLOR DESCRIPTIONS IMPLEMENT PILOT SUPPLY OIL BRAKE COOLING CIRCUIT IMPLEMENT PUMP OUTPUT TRANSMISSION PUMP PRIMARY STEERING PUMP CIRCUIT IMPLEMENT PUMP LOAD SENSE CIRCUIT STEERING CIRCUIT FAN PUMP CIRCUIT SUPPLY LINE QUICK COUPLER CIRCUIT BRAKE CONTROL CIRCUIT AUXILIARY CIRCUIT MAIN RELIEF VALVE LOAD SENSING CIRCUIT DRAIN / RETURN LINE TILT CYLINDER CIRCUIT LIFT CYLINDER CIRCUIT SECONDARY STEERING CIRCUIT ELECTRICAL CIRCUITS LINE PATTERNS Drain / Return Lines Component Group Pilot / Load Sensing Pressure Pressure Line CALLOUTS Taps (Pressure, Sampling, Sensor - by letter) YY (52) VALVE GP - CONTROL Callout Number (Machine Location from 138-1234 Component LocationsTable) Component Name Part Number HMU PA PB T B A P L R P T LS LS P T PS A1 A2 E1 F IMPLEMENT PUMP DISCHARGE IMPLEMENT LOAD SENSE SIGNAL IMPLEMENT LOAD SENSE RELIEF/PILOT RETURN QUICK COUPLER SUPPLY IMPLEMENT RETURN AXLE OIL COOLER RETURN AXLE OIL COOLER SUPPLY B S L X M LS REAR AXLE P T T P LS PA PB B A PORT A LEVER REARWARD, LEFT HAND LINE ON BOOM (WHEN VIEWED FROM CAB) PORT B LEVER FORWARD, RIGHT HAND LINE ON BOOM (WHEN VIEWED FROM CAB) RACK BACK DUMP HOLD DUMP RAISE LOWER/ FLOAT RAISE HOLD LOWER FLOAT HOLD PORT A PORT B PORT A PORT B E5 E6 E4 RACK BACK E2 E3 E7 E8 E9 E10 E11 E12 E13 B1 A1 A2 B2 A3 B3 A4 B4 PRIMARY PILOT SUPPLY - CCS STEERING ATTACHMENT FRONT AXLE E14 T P P LS LS P T T NC NO C C TO TRANSMISSION CONTROL TO BRAKE LIGHTS APPLY RELEASE AXLE RESERVIOR AXLE RESERVIOR TRANSMISSION CONTROL C NO NC LS COMMAND CONTROL STEERING (ATTACHMENT) HMU STEERING (STANDARD CONFIGURATION) (63) VALVE GP OUTPUT PRESSURE 210-5587 (64) VALVE GP PARK BRAKE 106-1774 (53) ACTUATOR AS PARK BRAKE 154-8042 (67) CYLINDER GP QUICK COUPLER 311-1463 (68) VALVE GP QUICK COUPLER 180-8585 (21) VALVE GP MANUAL LOWER 112-1817 TILT CYLINDER (6) 966 STANDARD 356-2219 (7) 972 STANDARD 356-2220 (8) 966 HIGH LIFT 358-5189 (9) 972 HIGH LIFT 358-5190 (10) 966 LOGGER 356-2220 (4) CYLINDER GP LIFT - (LH) 242-4274 (5) CYLINDER GP LIFT - (RH) 242-4275 (2) ACCUMULATOR RIDE CONTROL 325-7131 (1) ACCUMULATOR PILOT 355-9981 (23) VALVE GP LOAD SENSE RELIEF 346-0474 (32) VALVE GP PRESSURE REDUCING 313-7668 (32) VALVE GP PRESSURE REDUCING 313-7668 (32) VALVE GP PRESSURE REDUCING 313-7668 (25) VALVE GP MARGIN RELIEF 328-0730 (35) CYLINDER GP STEERING 314-9336 (50) VALVE GP STEERING CROSSOVER RELIEF 129-8222 (48) VALVE GP STEERING BACKUP RELIEF 132-5258 (51) VALVE GP STEERING (HMU) 142-3996 (11) FILTER GP CASE DRAIN 337-4102 (3) BREATHER 258-2829 (14) TANK GP HYDRAULIC 340-5959 (54) BREAKER VACUUM 220-0814 (33) VALVE - MANUAL PUMP CASE FILL 8T-6907 (13) SCREEN - RETURN 9T-9227 (66) VALVE GP DIVERTER 237-8180 (56) FILTER GP KIDNEY LOOP 330-9358 (61) VALVE GP CHECK (FILTER ANTIDRAINBACK) 307-5393 (55) COOLER HYDRAULIC OIL 244-4498 (59) PUMP GP FAN 254-5147 (62) VALVE GP CHECK (COOLER BYPASS) 244-1426 (65) VALVE GP SAMPLING PORT 8C-3451 (57) 161-8919 (58) 334-6234 (ATCH) MOTOR GP - FAN (60) VALVE GP CHARGE (FAN DRIVE AND BRAKE) 352-1587 (52) ACCUMULATOR BRAKE 198-9841 (21) VALVE GP - LOWER (DEAD ENGINE) 112-1817 (20) VALVE GP BACKPRESSURE 353-7179 (12) VALVE GP IMPLEMENT 292-8768 (69) PUMP GP TARNSMISSION 241-8686 (41) PUMP GP STEERING 241-9157 (43) VALVE GP CHECK 141-2597 (40) PUMP GP SECONDARY STEERING (ATCH) 275-8544 (47) VALVE GP SHUTTLE (ATCH) 8J-6875 (45) VALVE GP PILOT (CSS ATCH) 164-4116 (44) VALVE GP CHECK (CSS ATCH) 111-7775 (37) NEUTRALIZER CCS (ATCH) 321-5283 (42) SCREEN (ATCH) 154-2883 (50) VALVE GP - STEERING CROSSOVER RELIEF 111-7775 (46) VALVE GP - PRESSURE REDUCING (ATCH) 114-1267 (48) VALVE GP - RELIEF STEERING BACKUP 132-5258 (49) VALVE GP - STEERING (CCS ATCH) 133-1728 (34) CYLINDER GP STEERING 314-9336 (39) PUMP GP HMU METERING 349-6093 (38) ORIFICE 108-2144 (36) NEUTRALIZER HMU 296-5662 (22) VALVE GP - RELIEF (AUX FUNCTION) 272-2334 IMPLEMENT VALVE GP (15) 2 FUNCTION W/O RIDE CONTROL 261-3945 (16) 2 FUNCTION W/ RIDE CONTROL (ATCH) 261-2337 (17) 3 FUNCTION W/O RIDE CONTROL (ATCH) 261-3972 (18) 3 FUNCTION W/ RIDE CONTROL (ATCH) 261-3338 (19) 3 FUNCTION W/ RIDE CONTROL (LOGGER ATCH) 256-3644 (31) VALVE GP PRESSURE REDUCING 335-1074 (32) VALVE GP SOLENOID (PRESSURE REDUCING) 313-7668 (32) VALVE GP SOLENOID (PRESSURE REDUCING) 313-7668 (32) VALVE GP SOLENOID (PRESSURE REDUCING) 313-7668 (26) VALVE GP - RELIEF (RIDE CONTROL) 4T-7581 (29) VALVE GP - SHUTTLE 235-6157 (30) VALVE GP SOLENOID (ANTI-DRIFT) 328-4314 (30) VALVE GP SOLENOID (ANTI-DRIFT) 328-4314 (30) VALVE GP SOLENOID (ANTI-DRIFT) 328-4314 (27) VALVE GP RELIEF (TILT) 332-1985 (28) VALVE GP RELIEF (LOGGER ATCH) 332-1985 (24) VALVE GP RELIEF (MAKE UP LIFT) 234-4869 G12 SOS G7 G6 G3 G4 G2 G10 G5 G5 G1 G8 G11 G9 G10 SOLENOID VALVE REFERENCE SOLENOID LOCATION SOLENOID NAME E1 FAN / BRAKE VALVE DEMAND SPEED FAN SOLENOID E2 IMPLEMENT VALVE - LIFT LOWER SOLENOID E3 IMPLEMENT VALVE - LIFT RAISE SOLENOID E4 IMPLEMENT VALVE - RIDE CONTROL RIDE CONTROL BALANCE SOLENOID E5 IMPLEMENT VALVE - RIDE CONTROL RIDE CONTROL HEAD END CHECK SOLENOID E6 IMPLEMENT VALVE - RIDE CONTROL RIDE CONTROL ROD END CHECK SOLENOID E7 IMPLEMENT VALVE - TILT DUMP SOLENOID E8 IMPLEMENT VALVE - TILT RACK BACK SOLENOID E9 IMPLEMENT VALVE IMPLEMENT PILOT SUPPORT SOLENOID E10 IMPLEMENT VALVE - 3RD FUNCTION 3RD FUNCTION PORT A SOLENOID E11 IMPLEMENT VALVE - 3RD FUNCTION 3RD FUNCTION PORT B SOLENOID E12 IMPLEMENT VALVE - LIFT LOWER ANTI-DRIFT SOLENOID E13 IMPLEMENT VALVE - TILT DUMP ANTI-DRIFT SOLENOID E14 QUICK COUPLER VALVE ENABLE SOLENOID D B C comprometidos con tu éxito peru comprometidos con tu éxito peru www.superaperu.com
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Transcript of Esquema Hidraulico (966H)_IMPRESION A3.pdf
Components are shown installed on a fully operable machine with the key and engine off, transmission shifterin neutral and with parking brake set.
SCHEMATIC PART NUMBER: 242-0337, CHANGE: 10, VERSION: -
Refer to the appropriate Service Manual for Troubleshooting, Specifications and Systems Operations.
MEDIA NUMBER: RENR8828-04
THIS SCHEMATIC IS FOR THE 966H AND 972H WHEEL LOADER HYDRAULIC SYSTEM
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HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
IMPLEMENT PILOT SUPPLY OIL
BRAKE COOLING CIRCUIT
IMPLEMENT PUMP OUTPUT
TRANSMISSION PUMP
PRIMARY STEERING PUMP CIRCUIT
IMPLEMENT PUMP LOAD SENSE CIRCUIT
STEERING CIRCUIT
FAN PUMP CIRCUIT
SUPPLY LINE
QUICK COUPLER CIRCUIT
BRAKE CONTROL CIRCUIT
AUXILIARY CIRCUIT
MAIN RELIEF VALVE LOAD SENSING CIRCUIT
DRAIN / RETURN LINE
TILT CYLINDER CIRCUIT
LIFT CYLINDER CIRCUIT
SECONDARY STEERING CIRCUIT
ELECTRICAL CIRCUITS
LINE PATTERNS
Drain / Return Lines
Component Group
Pilot / Load Sensing Pressure
Pressure Line
CALLOUTS
Taps (Pressure, Sampling, Sensor - by letter)YY
(52) VALVE GP - CONTROLCallout Number(Machine Location from
138-1234Component LocationsTable)
ComponentName
Part Number
HMU
PA
PB
T
B
A
P
L R
PT
LS
LS P T
PS
A1 A2
E1
F
IMPLEMENT PUMP DISCHARGE
IMPLEMENT LOAD SENSE SIGNAL
IMPLEMENT LOAD SENSE RELIEF/PILOT RETURN
QUICK COUPLER SUPPLY
IMPLEMENT RETURN
AXLE OIL COOLER RETURN
AXLE OIL COOLER SUPPLY
B
SL
X
M
LS
REAR AXLE
P T
T
P
LS
PA
PB
B A
PORT A LEVER REARWARD,LEFT HAND LINE ON BOOM(WHEN VIEWED FROM CAB)
PORT B LEVER FORWARD, RIGHT HAND LINE ON BOOM(WHEN VIEWED FROM CAB)
RACKBACK
DUMP
HOLD
DUMP
RAISE
LOWER/FLOAT
RAISE
HOLD
LOWER
FLOAT
HOLD
PORTA
PORTB
PORTA
PORTB
E5
E6
E4
RACKBACK
E2
E3
E7
E8
E9
E10
E11
E12E13
B1A1 A2 B2 A3 B3 A4B4
PRIMARY PILOT SUPPLY - CCS STEERING ATTACHMENT
FRONT AXLE
E14
T
P
P
LS
LS
P
T
T
NC
NO
CC
TO TRANSMISSION CONTROL
TO BRAKELIGHTS
APPLY
RELEASE
AXLE
RESERVIOR
AXLE
RESERVIOR
TRANSMISSION
CONTROL
C
NO
NC
LS
COMMAND CONTROL STEERING (ATTACHMENT)
HMU STEERING (STANDARD CONFIGURATION)
(63) VALVE GPOUTPUT
PRESSURE210-5587
(64) VALVE GPPARK BRAKE
106-1774(53) ACTUATOR ASPARK BRAKE154-8042
(67) CYLINDER GPQUICK COUPLER
311-1463
(68) VALVE GPQUICK COUPLER180-8585
(21) VALVE GPMANUAL LOWER112-1817
TILT CYLINDER(6) 966 STANDARD 356-2219(7) 972 STANDARD 356-2220(8) 966 HIGH LIFT 358-5189(9) 972 HIGH LIFT 358-5190(10) 966 LOGGER 356-2220
(4) CYLINDER GPLIFT - (LH)
242-4274
(5) CYLINDER GPLIFT - (RH)242-4275
(2) ACCUMULATORRIDE CONTROL325-7131
(1) ACCUMULATORPILOT355-9981
(23) VALVE GPLOAD SENSERELIEF346-0474
(32) VALVE GPPRESSUREREDUCING313-7668
(32) VALVE GPPRESSUREREDUCING313-7668
(32) VALVE GPPRESSUREREDUCING313-7668
(25) VALVE GPMARGINRELIEF328-0730
(35) CYLINDER GPSTEERING314-9336
(50) VALVE GPSTEERINGCROSSOVER RELIEF129-8222
(48) VALVE GPSTEERING
BACKUP RELIEF132-5258
(51) VALVE GPSTEERING (HMU)
142-3996
(11) FILTER GPCASE DRAIN337-4102
(3) BREATHER258-2829
(14) TANK GPHYDRAULIC340-5959
(54) BREAKERVACUUM220-0814
(33) VALVE - MANUALPUMP CASE FILL8T-6907
(13) SCREEN - RETURN 9T-9227
(66) VALVE GPDIVERTER237-8180
(56) FILTER GPKIDNEY LOOP330-9358
(61) VALVE GPCHECK (FILTERANTIDRAINBACK)307-5393
(55) COOLERHYDRAULIC OIL244-4498
(59) PUMP GPFAN
254-5147
(62) VALVE GPCHECK(COOLERBYPASS)244-1426
(65) VALVE GPSAMPLING PORT8C-3451
(57) 161-8919(58) 334-6234 (ATCH)
MOTOR GP - FAN
(60) VALVE GPCHARGE (FANDRIVE ANDBRAKE)352-1587
(52) ACCUMULATORBRAKE
198-9841
(21) VALVE GP - LOWER(DEAD ENGINE)
112-1817
(20) VALVE GPBACKPRESSURE
353-7179
(12) VALVE GPIMPLEMENT
292-8768
(69) PUMP GPTARNSMISSION
241-8686
(41) PUMP GPSTEERING241-9157
(43) VALVE GPCHECK
141-2597
(40) PUMP GPSECONDARYSTEERING (ATCH)275-8544
(47) VALVE GPSHUTTLE (ATCH)8J-6875
(45) VALVE GPPILOT (CSS ATCH)
164-4116
(44) VALVE GPCHECK
(CSS ATCH)111-7775
(37) NEUTRALIZERCCS (ATCH)321-5283
(42) SCREEN (ATCH)154-2883
(50) VALVE GP - STEERINGCROSSOVER RELIEF
111-7775
(46) VALVE GP - PRESSUREREDUCING (ATCH)
114-1267
(48) VALVE GP - RELIEFSTEERING BACKUP
132-5258
(49) VALVE GP - STEERING(CCS ATCH)133-1728
(34) CYLINDER GPSTEERING314-9336
(39) PUMP GPHMU METERING349-6093
(38) ORIFICE108-2144
(36) NEUTRALIZERHMU296-5662
(22) VALVE GP - RELIEF(AUX FUNCTION)272-2334
IMPLEMENT VALVE GP
(15) 2 FUNCTION W/O RIDE CONTROL 261-3945(16) 2 FUNCTION W/ RIDE CONTROL (ATCH) 261-2337(17) 3 FUNCTION W/O RIDE CONTROL (ATCH) 261-3972(18) 3 FUNCTION W/ RIDE CONTROL (ATCH) 261-3338(19) 3 FUNCTION W/ RIDE CONTROL (LOGGER ATCH) 256-3644
(31) VALVE GPPRESSUREREDUCING335-1074
(32) VALVE GPSOLENOID(PRESSUREREDUCING)313-7668
(32) VALVE GPSOLENOID
(PRESSUREREDUCING)
313-7668
(32) VALVE GPSOLENOID(PRESSUREREDUCING)313-7668 (26) VALVE GP - RELIEF
(RIDE CONTROL)4T-7581
(29) VALVE GP - SHUTTLE235-6157
(30) VALVE GPSOLENOID
(ANTI-DRIFT)328-4314
(30) VALVE GPSOLENOID
(ANTI-DRIFT)328-4314
(30) VALVE GPSOLENOID
(ANTI-DRIFT)328-4314
(27) VALVE GPRELIEF (TILT)
332-1985
(28) VALVE GPRELIEF
(LOGGER ATCH)332-1985
(24) VALVE GPRELIEF
(MAKE UP LIFT)234-4869
G12
SOS
G7 G6
G3
G4
G2
G10
G5G5
G1
G8
G11
G9G10
SOLENOID VALVE REFERENCESOLENOID LOCATION SOLENOID NAME
E1 FAN / BRAKE VALVE DEMAND SPEED FAN SOLENOID
E2 IMPLEMENT VALVE - LIFT LOWER SOLENOID
E3 IMPLEMENT VALVE - LIFT RAISE SOLENOID
E4 IMPLEMENT VALVE - RIDE CONTROL RIDE CONTROL BALANCE SOLENOID
E5 IMPLEMENT VALVE - RIDE CONTROL RIDE CONTROL HEAD END CHECK SOLENOID
E6 IMPLEMENT VALVE - RIDE CONTROL RIDE CONTROL ROD END CHECK SOLENOID
E7 IMPLEMENT VALVE - TILT DUMP SOLENOID
E8 IMPLEMENT VALVE - TILT RACK BACK SOLENOID
E9 IMPLEMENT VALVE IMPLEMENT PILOT SUPPORT SOLENOID
E10 IMPLEMENT VALVE - 3RD FUNCTION 3RD FUNCTION PORT A SOLENOID
E11 IMPLEMENT VALVE - 3RD FUNCTION 3RD FUNCTION PORT B SOLENOID
E12 IMPLEMENT VALVE - LIFT LOWER ANTI-DRIFT SOLENOID
E13 IMPLEMENT VALVE - TILT DUMP ANTI-DRIFT SOLENOID
E14 QUICK COUPLER VALVE ENABLE SOLENOID
DB
C
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