_994 cargador articulado
TRANSCRIPT
1
INTRODUCTION
994 WHEEL LOADER
3516 Engine
Rear Pump Drive
Torque Converter
Transfer Box
Brake Pump
Steer Pumps
Front Pump Drive
Implement Pumps
Transmission
Final Drive
Power Train
Hydraulics
Engine
Pilot PumpLube Pump
Steer CoolingPump
Transmission
Supplemental SteerPump
Brake CoolingPump
Pump
I-2
5 Modules
AFTERCOOLER
ImplementHydraulicSystem
BrakeHydraulicSystem
Power TrainHydraulicSystem
SteerHydraulicSystem
STAT STATWaterPumps
994 WHEEL LOADERCOOLING SYSTEM
3516
3 Modules 6 Modules 22 Modules
EngineOil
I-3
EEF NEEF
ENGINE END FRAME NON ENGINE END FRAME
ENGINE
BRAKES STEERING SUPPLEMENTALSTEERING
LUBE FRONTPUMP DRIVE IMPLEMENTS
IMPLEMENTS
IMPLEMENTSIMPLEMENTCOOLINGPILOT
BRAKECOOLINGSTEERING
STEERINGCOOLING
PUMPS LOCATION
I-4
I-5
EMS Test at 101-7435 Harness Plug
8C3508
CONTROLS
WARNING LIGHT
SOUND ALARM
1
INPUT TRANSFER GEAR
YOKE
PLANETARYCARRIER
SUN GEAR
RING GEAR
TRANSMISIONINPUT SHAFT
HOUSING
2
TRANSMISSION INPUT SHAFT
TRANSMISSION OUTPUT SHAFT
HUB
NO. 5 CLUTCH
NO. 4 CLUTCHNO. 3 CLUTCH NO. 2 CLUTCH
NO. 1 CLUTCH
NO. 2 PLANETARY CARRIER
NO. 4 PLANETARYCARRIER NO. 3 PLANETARY CARRIER
NO. 1 PLANETARY CARRIER
NO. 1 RING GEAR
NO. 2 RING GEAR
NO. 3 RING GEAR
NO. 4 RING GEAR
OUTPUT TRANSFER GEAR
IDLER GEAR
DUAL IDLER GEARS
OUTPUT SHAFT
NO. 1 PLANETARY GEARS
NO. 2 PLANETARY GEARS
NO. 3 PLANETARY GEARS
NO. 4 PLANETARY GEARS
NO. 1 SUN GEAR
NO. 2 SUN GEAR
NO. 3 SUN GEARNO. 4 SUN GEAR
TRANSMISSION AND TRANSFER GEARS
3
SPEEDCLUTCHESENGAGED
NEUTRAL
FIRST FORWARD
SECOND FORWARD
THIRD FORWARD
FIRST REVERSE
SECOND REVERSE
THIRD REVERSE
3
2 and 5
2 and 4
2 and 3
1 and 5
1 and 4
1 and 3
CLUTCHENGAGEMENT CHART
4
SEPARATORPLATES
TOPARKINGBRAKE
CONTROLVALVE
PRESSUREPLATE
SPRINGS
DRIVESHAFT
BRAKE ENGAGED
MACHINEFRAME
DRIVESHAFT
FROMPARKINGBRAKE
CONTROLVALVE
SEPARATORPLATES
DISCS
BRAKERELEASEPISTON
RODS
BRAKE RELEASED
PARKING BRAKE
5
OUTER SUN GEAR
INNER SUN GEAR
OUTER PLANETARYGEAR
OUTER PLANETARYCARRIER
WHEEL HUB
RIM
INNER PLANETARYCARRIER
INNER RING GEAR
OUTER RING GEAR
INNER PLANETARYGEAR
BRAKE
AXLE SHAFT
FINAL DRIVE AND BRAKE
6
TORQUECONVERTER
PUMP
DRIVE
TRANSMISSION
994 WHEEL LOADERPOWER TRAIN
HYDRAULIC SYSTEM
PUMPS
FILTERS
LOCKUPCLUTCH
BRAKENEUTRALIZER
VALVE
T/COUTLETRELIEFVALVE
POWER TRAINOIL COOLER
P1P2
OUTPUTTRANSFERBEARING
LUCSOLENOID
ICSOLENOID
IMPELLERCLUTCH
PRIORITYVALVE
INPUTTRANSFER
GEAR3516 ENGINE
TRANSCONTROL
VALVE
OUTPUTTRANSFER
GEAR
7
21
3
45
FROMPUMP
TO TORQUECONVERTER
1 2 3
P2P1
P3
SPEED SELECTORSPOOL
MODULATINGRELIEF VALVE
LOADPISTON
CONVERTERRATIO VALVE
DIFFERENTIALVALVE
DIRECTIONALSELECTOR SPOOL
NEUTRALIZERVALVE
FLOW CONTROLORIFICE
SCREENEDORIFICE
LOAD PISTONDRAIN PASSAGE
TRANSMISSION CONTROL VALVE
R N F
B
A
8
2 13
45
BP3
P1P2
CA
D
G
FE
FROMPUMP
TOTORQUECONVERTER
1 2 3
R N F
TRANSMISSION CONTROLVALVENEUTRAL
9
21
3
45
FROMPUMP
TO TORQUECONVERTER
1 2 3
TRANSMISSION CONTROL VALVEFIRST SPEED FORWARD
P2P1
P3
R N F
10
21
3
45
FROMPUMP
TO TORQUECONVERTER
1 2 3
TRANSMISSION CONTROL VALVENEUTRALIZER VALVE DEPRESSED
P2
P1
P3
R N F
FROMBRAKEVALVE
11
21
3
45
FROMPUMP
TO TORQUECONVERTER
1 2 3
TRANSMISSION CONTROL VALVEENGINE STARTED WITH SELECTOR IN GEAR
P2
P1
P3
A
R N F
12
IMPELLER CLUTCHTORQUE CONVERTER
HOUSING
LOCKUP CLUTCH
TURBINE
IMPELLER
IMPELLER CLUTCH
STATOR
13
SCREENTANK
LOCKUP CLUTCHSOLENOID VALVE
IMPELLER CLUTCHSOLENOID VALVE
OUTLETRELIEF VALVE
TORQUECONVERTER
LOCKUPCLUTCH
FILTER FILTER
TWO SECTIONPUMP
PRIORITYVALVE
IMPELLERCLUTCH
TRANSMISSIONCONTROL VALVE
INPUTTRANSFER
GEAR
COOLER
PUMP DRIVE
OUTPUT TRANSFERBEARING
OUTPUT TRANSFERGEAR
TRANSMISSION
TORQUE CONVERTER HYDRAULIC SYSTEMTORQUE CONVERTER DRIVE
14
SCREEN
TANK
LOCKUP CLUTCHSOLENOID VALVE
IMPELLER CLUTCHSOLENOID VALVE
OUTLETRELIEFVALVE
TORQUECONVERTER
LOCKUPCLUTCH
FILTER FILTER
TWO SECTIONPUMP
PRIORITYVALVE
IMPELLERCLUTCH
TRANSMISSIONCONTROL VALVE
INPUTTRANSFER
GEAR
COOLER
PUMP DRIVE
OUTPUT TRANSFERBEARING
OUTPUT TRANSFERGEAR
TRANSMISSION
TORQUE CONVERTER HYDRAULIC SYSTEMDIRECT DRIVE
15
SCREEN
TANK
LOCKUP CLUTCHSOLENOID VALVE
IMPELLER CLUTCHSOLENOID VALVE
OUTLETRELIEF VALVE
TORQUECONVERTER
LOCKUPCLUTCH
FILTER FILTER
TWO SECTIONPUMP
PRIORITYVALVE
IMPELLERCLUTCH
TRANSMISSIONCONTROL VALVE
INPUTTRANSFER
GEAR
COOLER
PUMP DRIVE
OUTPUT TRANSFERBEARING
OUTPUT TRANSFERGEAR
TRANSMISSION
TORQUE CONVERTER HYDRAULIC SYSTEM TRANSMISSION SHIFT
16
1 2 39 4 5 10 23 27 19 22 6 12 35 13 15 18 17 16 20 14 21 7 11 24 25 8 9 28 29 30 31 32 33 34 26 3 40 36 38 37
BA
TT
ER
Y+
GR
OU
ND
SO
L R
ET
UR
N
XM
SN
OU
T S
PD
IMP
LR S
OL
XM
SN
NE
UT
SW
IMP
LR P
RE
SS
TC
OU
T S
PD
LUC
SO
L
CA
T D
AT
A L
INK
+C
AT
DA
TA
LIN
K -
SE
RV
ICE
SW
ER
AS
E S
W
LUC
EN
AB
LEP
2 P
RE
SS
SN
SR
PW
R +
8V
ABC1
2
ABC
ABC
12 1
2
CBA
TRANSMISSIONNEUTRAL SWITCH
TORQUE CONVERTERLOCKUP SWITCH
LOCKUP CLUTCHSOLENOID
CONVERTER OUTPUTSPEED SENSOR
TRANSMISSIONOUTPUT
SPEED SENSOR
TRANSMISSION P2PRESSURE SENSOR
IMPELLERCLUTCH
SOLENOID
710
709
975
D724
E705
E704
709
202
409
202
D725
975
202
452
709
TO OPERATORMONITOR 2
452
9164
3
2
1
202
123
3
1
6
4
2
5
123
202
815
GROUND
SIGNAL
GROUND
SIGNAL
SIGNAL
GROUND
+V+V
+V
ELECTRONICTORQUE
CONVERTERCONTROL
975
710
D72
4
E70
4
E70
5
452
D72
5
916
815
709
24V
709
202
TO CONVERTERLAMPIMPELLER
CLUTCHPRESSURE
SENSOR
GROUNDSIGNAL
+V
17
1 2 39 4 5 10 23 27 19 22 6 12 35 13 15 18 17 16 20 14 21 7 11 24 25 8 9 28 29 30 31 32 33 34 26 3 40 36 38 37
BA
TT
ER
Y+
GR
OU
ND
SO
L R
ET
UR
N
XM
SN
OU
T S
PD
IMP
LR S
OL
XM
SN
NE
UT
SW
IMP
LR P
RE
SS
TC
OU
T S
PD
LUC
SO
L
CA
T D
AT
A L
INK
+C
AT
DA
TA
LIN
K -
SE
RV
ICE
SW
ER
AS
E S
W
LUC
EN
AB
LEP
2 P
RE
SS
SN
SR
PW
R +
8V
12
ABC
ELECTRONIC TORQUE CONVERTERCONTROL
AND TORQUE CONVERTER HYDRAULICSYSTEMS
TRANSMISSION IN NEUTRALLOCKUP CLUTCH ENABLE SWITCH
OFF
SCREEN
TANK
TRANSMISSIONNEUTRAL SWITCH
LOCKUP CLUTCHSOLENOID VALVE
CONVERTER OUTPUTSPEED SENSOR
TRANSMISSION OUTPUTSPEED SENSOR
TRANSMISSION P2PRESSURESENSOR
IMPELLER CLUTCHSOLENOID VALVE
TO OPERATORMONITOR 2
TO CONVERTERLAMP
LOCKUP CLUTCHENABLE SWITCH
OUTLETRELIEF VALVE
TORQUECONVERTER
LOCKUPCLUTCH
FILTER
FILTER
TWO SECTIONPUMP
PRIORITYVALVE
IMPELLERCLUTCH
TRANSMISSIONCONTROL VALVE
INPUTTRANSFER
GEAR
COOLER
PUMP DRIVE
OUTPUT TRANSFERBEARING
OUTPUT TRANSFERGEAR
TRANSMISSION
ETCCCONNECTOR
IMPELLER CLUTCHPRESSURE SENSOR
ABC
CBA
ABC
GROUNDSIGNAL
GROUNDSIGNAL
SIGNALGROUND+V
+V
+V
GROUNDSIGNAL
+V
4321
3164
2
5
12
21
975
710
D72
4
E70
4
E70
5
452
D72
5
916
815
709
710
709
E705
E704
709
202
409
202
975
D724
D725
975
815
709
202
202
452
709
452
916
202
123123
202
24V
18
1 2 39 4 5 10 23 27 19 22 6 12 35 13 15 18 17 16 20 14 21 7 11 24 25 8 9 28 29 30 31 32 33 34 26 3 40 36 38 37
BA
TT
ER
Y+
GR
OU
ND
SO
L R
ET
UR
N
XM
SN
OU
T S
PD
IMP
LR S
OL
XM
SN
NE
UT
SW
IMP
LR P
RE
SS
TC
OU
T S
PD
LUC
SO
L
CA
T D
AT
A L
INK
+C
AT
DA
TA
LIN
K -
SE
RV
ICE
SW
ER
AS
E S
W
LUC
EN
AB
LEP
2 P
RE
SS
SN
SR
PW
R +
8V
TANK
GROUNDSIGNAL
GROUNDSIGNAL
SIGNALGROUND+V
+V
+V
GROUNDSIGNAL
+V
CBA
ABC
12
21
4321
31
64
2
5
975
710
D72
4
E70
4
E70
5
452
D72
5
916
815
709
710
709
E705
E704
709
202
409
202
975
D724
D725
975
815
709
202
202
452
709
452
916
202
123
123
202
24V
ABC
ELECTRONIC TORQUE CONVERTER CONTROLAND TORQUE CONVERTER HYDRAULIC SYSTEMS
THE INSTANT A SHIFT IS MADE
SCREEN
TRANSMISSIONNEUTRAL SWITCH LOCKUP CLUTCH
SOLENOID VALVE
CONVERTER OUTPUTSPEED SENSOR
TRANSMISSION OUTPUTSPEED SENSOR
TRANSMISSION P2PRESSURESENSOR
IMPELLER CLUTCHSOLENOID VALVE
TO OPERATORMONITOR 2
TO CONVERTERLAMP
LOCKUP CLUTCHENABLE SWITCH
OUTLETRELIEFVALVE
TORQUECONVERTER
LOCKUPCLUTCH
FILTERFILTER
TWO SECTIONPUMP
PRIORITYVALVE
IMPELLERCLUTCH
TRANSMISSIONCONTROL VALVE
INPUTTRANSFER
GEAR
COOLER
PUMP DRIVE
OUTPUT TRANSFERBEARING
OUTPUT TRANSFERGEAR
TRANSMISSION
ETCCCONNECTOR
IMPELLER CLUTCHPRESSURE SENSOR
ABC
12
19
1 2 39 4 5 10 23 27 19 22 6 12 35 13 15 18 17 16 20 14 21 7 11 24 25 8 9 28 29 30 31 32 33 34 26 3 40 36 38 37
BA
TT
ER
Y+
GR
OU
ND
SO
L R
ET
UR
N
XM
SN
OU
T S
PD
IMP
LR S
OL
XM
SN
NE
UT
SW
IMP
LR P
RE
SS
TC
OU
T S
PD
LUC
SO
L
CA
T D
AT
A L
INK
+C
AT
DA
TA
LIN
K -
SE
RV
ICE
SW
ER
AS
E S
W
LUC
EN
AB
LEP
2 P
RE
SS
SN
SR
PW
R +
8V
ELECTRONIC TORQUE CONVERTER CONTROLAND TORQUE CONVERTER HYDRAULIC SYSTEMS
TORQUER CONVERTER DRIVE
12
ABC
SCREEN
TANK
TRANSMISSIONNEUTRAL SWITCH
LOCKUP CLUTCHSOLENOID VALVE
CONVERTER OUTPUTSPEED SENSOR
TRANSMISSION OUTPUTSPEED SENSOR
TRANSMISSION P2PRESSURESENSOR
IMPELLER CLUTCHSOLENOID VALVE
TO OPERATORMONITOR 2
TO CONVERTERLAMP
LOCKUP CLUTCHENABLE SWITCH
OUTLETRELIEF VALVE
TORQUECONVERTER
LOCKUPCLUTCH
FILTER
FILTER
TWO SECTIONPUMP
PRIORITYVALVE
IMPELLERCLUTCH
TRANSMISSIONCONTROL VALVE
INPUTTRANSFER
GEAR
COOLER
PUMP DRIVE
OUTPUT TRANSFERBEARING
OUTPUT TRANSFERGEAR
TRANSMISSION
ETCCCONNECTOR
IMPELLER CLUTCHPRESSURE SENSOR
ABC
CBA
ABC
GROUNDSIGNAL
GROUNDSIGNAL
SIGNALGROUND+V
+V
+V
GROUNDSIGNAL
+V
4321
3164
2
5
12
21
975
710
D72
4
E70
4
E70
5
452
D72
5
916
815
709
710
709
E705
E704
709
202
409
202
975
D724
D725
975
815
709
202
202
452
709
452
916
202
123123
202
24V
20
1 2 39 4 5 10 23 27 19 22 6 12 35 13 15 18 17 16 20 14 21 7 11 24 25 8 9 28 29 30 31 32 33 34 26 3 40 36 38 37
BA
TT
ER
Y+
GR
OU
ND
SO
L R
ET
UR
N
XM
SN
OU
T S
PD
IMP
LR S
OL
XM
SN
NE
UT
SW
IMP
LR P
RE
SS
TC
OU
T S
PD
LUC
SO
L
CA
T D
AT
A L
INK
+C
AT
DA
TA
LIN
K -
SE
RV
ICE
SW
ER
AS
E S
W
LUC
EN
AB
LEP
2 P
RE
SS
SN
SR
PW
R +
8V
ELECTRONIC TORQUE CONVERTER CONTROLAND TORQUE CONVERTER HYDRAULIC SYSTEMS
DIRECT DRIVE
12
ABC
SCREEN
TANK
TRANSMISSIONNEUTRAL SWITCH
LOCKUP CLUTCHSOLENOID VALVE
CONVERTER OUTPUTSPEED SENSOR
TRANSMISSION OUTPUTSPEED SENSOR
TRANSMISSION P2PRESSURESENSOR
IMPELLER CLUTCHSOLENOID VALVE
TO OPERATORMONITOR 2
TO CONVERTERLAMP
LOCKUP CLUTCHENABLE SWITCH
OUTLETRELIEF VALVE
TORQUECONVERTER
LOCKUPCLUTCH
FILTER
FILTER
TWO SECTIONPUMP
PRIORITYVALVE
IMPELLERCLUTCH
TRANSMISSIONCONTROL VALVE
INPUTTRANSFER
GEAR
COOLER
PUMP DRIVE
OUTPUT TRANSFERBEARING
OUTPUT TRANSFERGEAR
TRANSMISSION
ETCCCONNECTOR
IMPELLER CLUTCHPRESSURE SENSOR
ABC
CBA
ABC
GROUNDSIGNAL
GROUNDSIGNAL
SIGNALGROUND+V
+V
+V
GROUNDSIGNAL
+V
4321
3164
2
5
12
21
975
710
D72
4
E70
4
E70
5
452
D72
5
916
815
709
710
709
E705
E704
709
202
409
202
975
D724
D725
975
815
709
202
202
452
709
452
916
202
123123
202
24V
21
POWERINDICATOR
THREE DIGIT DISPLAY
NORMAL MODE
ELECTRONIC CONTROL MODULE
POWERINDICATOR
FAULTPRESENT
INDICATOR
206
CID
FAULT DETECTION
POWERINDICATOR
FAULTPRESENT
INDICATOR
00F
FMI
22
ELECTRONIC CONTROL MODULE
POWERINDICATOR
0
CHANGE MODES
1
SERVICE MODEINDICATOR
NORMAL MODE SERVICE MODE
OPERATIONAL MODENUMBERS
23
21C
CIDPOWER
INDICATOR
FAULTPRESENT
INDICATOR
SERVICEMODE
INDICATOR
POWERINDICATOR
FAULTPRESENT
INDICATOR
206 00F
POWERINDICATOR
FAULTPRESENT
INDICATOR
FMI POWERINDICATOR
FAULTPRESENT
INDICATOR
OID
ELECTRONIC CONTROL MODULE
(SERVICE MODE)
206 00F 21C
SERVICEMODE
INDICATOR
SERVICEMODE
INDICATOR
SERVICEMODE
INDICATOR
CID
POWERINDICATOR
FAULTPRESENT
INDICATOR
SERVICEMODE
INDICATOR
POWERINDICATOR
FAULTPRESENT
INDICATOR
SERVICEMODE
INDICATOR
FMI OID
MODE 1
24
2 9 5
IMPELLER CLUTCHPRESSURE
POWERINDICATOR
MODE 2ELECTRONIC CONTROL MODULE
4 5
IMPELLER CLUTCHPRESSURE
POWERINDICATOR
FAULT PRESENTINDICATOR
SERVICE MODEINDICATOR
(IMPELLER CLUTCH PRESSURE)
25
(TRANSMISSION P2 PRESSURE)
3 1 5
TRANSMISSION P2PRESSURE
POWERINDICATOR
MODE 3ELECTRONIC CONTROL MODULE
4 5
TRANSMISSION P2PRESSURE
POWERINDICATOR
FAULT PRESENTINDICATOR
SERVICE MODEINDICATOR
26
( TORQUE CONVERTOR OUTPUT SPEED)
1 1 5
TORQUE CONVERTEROUTPUT SPEED
POWERINDICATOR
MODE 4ELECTRONIC CONTROL MODULE
0
TORQUE CONVERTEROUTPUT SPEED
POWERINDICATOR
FAULT PRESENTINDICATOR
SERVICE MODEINDICATOR
27
(TRANSMISSION OUTPUT SPEED)
1 1 5
TRANSMISSIONOUTPUT SPEED
POWERINDICATOR
MODE 5ELECTRONIC CONTROL MODULE
0
TRANSMISSIONOUTPUT SPEED
POWERINDICATOR
FAULT PRESENTINDICATOR
SERVICE MODEINDICATOR
28
(SWITCH STATUS)MODE 6
ELECTRONIC CONTROL MODULE
NEUTRAL SWITCHINPUT
LOCKUP SWITCHINPUT
DECIMALPOINT
29
30
TRANSMISSION OILFILTER
TORQUE CON-VERTER OIL FIL-
TER
PUMP PRESSURETAP
31IMPELLER CLUTCHPRESSURE SENSOR
LOCKUP CLUTCHPRESSURE TAP
LOCKUP CLUTCHSOLENOID VALVE
IMPELLER CLUTCHSOLENOID VALVE
TORQUE CONVERT-ER OUTLET RELIEF
VALVE
TORQUE CONVERT-ER OUTPUT SPEED
SENSOR
IMPELLER CLUTCHPRESSURE TAP
PRIORITY VALVE
32
NEUTRALIZER VALVECONNECTION P1 PRESSURE
TAP
P2 PRESSURE TAPCONTROL VALVE
COVERTORQUE CON-VERTER INLET
PRESSURE
1
IMPLEMENT HYDRAULIC SYSTEM
IMPLEMENT PUMPS
MAIN SYSTEM COOLING SYSTEMPILOT SYSTEM
PILOT PUMP
MAIN RELIEF VALVES
MAIN CONTROL VALVES
PILOT RELIEF VALVEPILOT FILTER
PILOT CONTROL VALVEIMPLEMENT OIL COOLING PUMP
IMPLEMENTOIL TANK
COOLINGOIL FILTER
IMPLEMENTOIL COOLERS
LIFTCYLINDERS
TILTCYLINDERS
III-2
TILT LIFT
PILOT RELIEFVALVE
PILOTFILTER
PILOTPUMP
PILOT CONTROLVALVES
CHECKVALVE
CHECKVALVE
SELECTOR AND PRESSURECONTROL VALVE
TO LIFTCONTROLVALVES
IMPLEMENT PILOT SYSTEM
FROMLIFT CYLINDERS
TO TILTCONTROLVALVES
IMPLEMENTHYDRAULIC TANK
III-3
ADJUSTERCAP
LOCKNUT
PILOT VALVE PILOTSPRING
RELIEF VALVESPRING CHAMBER
RELIEFVALVE
RETURN TOCOOLING CIRCUIT
RETURNTO TANK
RETURNTO TANK
RETURN TOCOOLING CIRCUIT
PILOT RELIEF VALVE
FROMPILOTPUMP
III-4
DRAINPASSAGE
SHIMS
SPRING
ORIFICE
FROM LIFTCYLINDERS
VALVE SPOOL
TO CHECK VALVE
SELECTOR AND PRESSURE CONTROL VALVE
III-5
TILT
PILOT CONTROL VALVE
TILT BACKHOLDDUMP
RAISE
LOWERFLOAT
HOLD
TO TANK
FROMPUMP
FROMMAKEUP VALVE
LIFT
TO LIFTCONTROL VALVE
TO TILTCONTROL VALVE
HOLD POSITION
III-6
PILOT CONTROL VALVE
TILT BACKHOLDDUMP
RAISE
LOWERFLOAT
HOLD
TO TANK
FROMPUMP
FROMMAKEUP VALVE
TO LIFTCONTROL VALVE
TO TILTCONTROL VALVE
FROM TILTCONTROL VALVE
THROTTLING SLOTS
THROTTLING SLOT
TILT BACK
III-7
TILT BACKHOLDDUMP
RAISE
LOWERFLOAT
HOLD
FROM LIFTCONTROL VALVE
PILOT CONTROL VALVE
TO TANK
FROMPUMP
FROMMAKEUP VALVE
TO TILTCONTROL VALVE
LOWER
III-8
TILT BACKHOLDDUMP
RAISE
LOWERFLOAT
HOLD
PILOT CONTROL VALVE
TO TANK
FROMPUMP
FROMMAKEUP VALVE
TO LIFTCONTROL VALVE
TO TILTCONTROL VALVE
FLOAT
III-9
IMPLEMENTHYDRAULIC TANK
LEFT MAINCONTROL VALVE
RIGHT MAINCONTROL VALVE
RIGHTIMPLEMENT
PUMP
LEFTIMPLEMENT
PUMP
CENTERIMPLEMENT
PUMP
RELIEFVALVE
RELIEFVALVE
RELIEFVALVE
IMPLEMENT HYDRAULIC SYSTEM
III-10
FROM PUMP
TO TANK
VALVE SPRINGS
ROD END
HEAD END
LOAD CHECK VALVE
FROM PILOTCONTROL VALVE
ROD END
HEAD END
FROM PUMP
FROM PILOTCONTROL VALVE
FROM PILOTCONTROL VALVE
FROM PILOTCONTROL VALVE
994 WHEEL LOADERMAIN CONTROL VALVE
HOLD
TILT DUMP
LIFTLOWER
ATTACHMENT
III-11
ROD END
HEADEND
RODEND
HEAD END
DUMP TILT
LIFTLOWER
FROM PUMP
TO TANK
FROMPUMP
VALVE
CYLINDEROIL
TO TANK FROM TANK
CYLINDEROIL
LINE RELIEFFUNCTION
MAKEUPFUNCTION
ORIFICE
PILOTVALVE
LINE RELIEF AND MAKEUP VALVE
III-12
LIFTLOWER
ROD END
HEAD ENDROD END
HEAD END
DUMP TILT
FROM PUMP
TO TANK
FROMPUMP
CYLINDEROIL
FROM TANK
MAKEUP AND VENT VALVE
CYLINDEROIL
TO TANK
TO PILOT CONTROLVALVE
III-13
AUX
TILT
LIFT
AUX
TILT
LIFT
MAIN CONTROL VALVE
FILTERCOOLING
PUMP
OILCOOLERS
PILOT CONTROLVALVE
TILT LIFT
MAINPUMPS
MAINRELIEFVALVES
PILOTRELIEFVALVE
FLUIDSAMPLING
MAIN CONTROL VALVE
TILT LIFT
HOLD
IMPLEMENT HYDRAULIC SYSTEM
COOLER BYPASSRELIEF VALVE
COOLER BYPASSVALVE
SELECTOR ANDPRESSURE CONTROL
VALVE
III-14
MAIN CONTROL VALVE
PILOT CONTROLVALVE
MAIN CONTROL VALVE
IMPLEMENT HYDRAULIC SYSTEM
SELECTOR ANDPRESSURE REDUCING
VALVE
TILT LIFT
TILT BACK
TILT LIFT
AUX
TILT
LIFT
AUX
TILT
LIFT
COOLINGPUMP
MAINPUMPS
MAINRELIEFVALVES
PILOTRELIEFVALVE
COOLER BYPASSRELIEF VALVE
COOLER BYPASSVALVE
OIL COOLERS
FILTER
III-15
AUX
TILT
LIFT
AUX
TILT
LIFT
MAIN CONTROL VALVE
COOLINGPUMP
PILOT CONTROLVALVE
MAINPUMPS
MAINRELIEFVALVES
PILOTRELIEFVALVE
MAIN CONTROL VALVE
TILT LIFT
BUCKET LOWER
IMPLEMENT HYDRAULIC SYSTEM
COOLER BYPASSRELIEF VALVE
COOLER BYPASSVALVE
OIL COOLERS
SELECTOR ANDPRESSURE REDUCING
VALVE
FILTER
TILT LIFT
III-16
AUX
TILT
LIFT
AUX
TILT
LIFT
MAIN CONTROL VALVE
PILOT CONTROLVALVE
MAINPUMPS
MAINRELIEFVALVES
PILOTRELIEFVALVE
MAIN CONTROL VALVE
TILT LIFT
BUCKET FLOAT
IMPLEMENT HYDRAULIC SYSTEM
COOLER BYPASSRELIEF VALVE
COOLER BYPASSALVE
SELECTOR ANDPRESSURE REDUCING
VALVE
COOLINGPUMP
TILT LIFT
III-17
AUX
TILT
LIFT
AUX
TILT
LIFT
MAIN CONTROL VALVE
COOLER BYPASSVALVE
COOLER BYPASSRELIEF VALVE
COOLINGPUMP
OILCOOLERS
PILOT CONTROLVALVE
TILT LIFT
MAINPUMPS
MAINRELIEFVALVES
PILOTRELIEFVALVE
TILT LIFT
LOWER ENGINE OFF
IMPLEMENT HYDRAULIC SYSTEM
SELECTOR ANDPRESSURE REDUCING
VALVE
FILTER
MAIN CONTROL VALVE
III-18
COOLER BYPASSVALVE
COOLER BYPASSRELIEF VALVE
TANK
FILTER
COOLINGPUMP
OILCOOLERS
FROM PILOTRELIEF VALVE
IMPLEMENT OIL COOLING SYSTEMIII-19
III-20
BRAKE COOLINGOIL TANK
STEERING AND BRAKEOIL TANK
STEERING OIL FILTERCOOLING OIL FILTER
762
128200
1
2
34
306
200
762
761
24 V
R C S BS
T
OF
FO
N
24 V
105 762
10 A
213
1 2
STARTSWITCH
TO LIFTKICKOUT
SOLENOID
KICKOUTCONTROL
PILOT CONTROLVALVE
TILT CONTROLLEVER
BUCKET KICKOUTSOLENOID
BUCKET KICKOUT
BUCKET KICKOUTSWITCH
INDICATORS
MAGNET
INDICATORS
GREEN - POWER TO SWITCHAMBER - POWER TO SOLENOID
III-21
761
128200
1
2
34
306
200
762
761
24 V
PILOT CONTROLVALVE
R C S BS
T
OF
FO
N
24 V
105 761
10 A
321
STARTSWITCH
TO BUCKETKICKOUT
KICKOUTCONTROL
LIFT CONTROLLEVER
LIFT KICKOUTSOLENOID
LIFT KICKOUT
LIFT KICKOUTSWITCH
MAGNET
INDICATORS
GREEN - POWER TO SWITCHAMBER - POWER TO SOLENOID
INDICATORS
III-22
1
AIR RESERVOIR
DRAIN VALVE
AUXILIARY AIRRECEPTACLE
COMPRESSOR
AIRDRYER
GOVERNOR
PRESSURESWITCH
RELIEFVALVE
HORN HORN
TO AUTOLUBE SYSTEM
TO AIR STARTCONTROL VALVE
AIRPRESSURE
GAUGE
TO AIR STARTRELAY VALVE
HORN SOLENOIDVALVE
HORN SOLENOIDVALVE
TOATMOSPHERE
TO GOVERNORCONTROL SYSTEM
MANIFOLDCHECKVALVE
AIR SYSTEM
ATMOSPHERICPRESSURE
SYSTEM AIRPRESSURE
IV-2
OUTLET PORT
GOVERNORUNLOADER PISTONS
OUTLET VALVES
INLET VALVES
AIR INLET
AIR COMPRESSORCHARGING
IV-3
AIR OUTLET
GOVERNOR
UNLOADER PISTONS
OUTLET VALVES
INLET VALVES
AIR INLET
AIR COMPRESSORUNLOADED
IV-4
PRESSURESETTINGSPRING
EXHAUST STEM
INLET ANDEXHAUST
VALVE
PISTON
CUT-IN POSITION
ADJUSTMENT SCREW
FROMAIR RESERVOIRS
AIR COMPRESSOR GOVERNOR
CUT-OUT POSITION
TO AIR COMPRESSORUNLOADER PISTONSAND AIR DRYERPURGE VALVE
FROM AIR COMPRESSORUNLOADER PISTONSAND AIR DRYERPURGE VALVE
EXHAUSTPORT
IV-5
STARTERMOTOR
RELAYVALVE
DRIVE PINION
STARTERCONTROL VALVE
AIR RESERVOIR
VALVE
SPRING
AIR START SYSTEM
STARTER CONTROL VALVE SOLENOID DE-ENERGIZED
IV-6
STARTERMOTOR
RELAYVALVE
DRIVE PINION
STARTERCONTROL VALVE
AIR RESERVOIR
AIR START SYSTEMSTARTER CONTROL VALVE SOLENOID ENERGIZED
SOCKET
IV-7
PISTONROTORVANES
DRIVEPINION
PISTONSPRING
DRIVESHAFT
ROTORGEAR
PINIONGEAR
AIR INLET
AIR EXHAUST
STARTING MOTOR
AIROUTLET
AIRINLET
IV-8
JUNCTIONTO GOVERNOR
CONTROL VALVE
REGULATOR
AUTO LUBE PUMP
AUTO LUBECONTROL VALVE
AIR RESERVOIR
VENT VALVE
CHECKVALVE
INJECTORS
LUBETANK
UNLOADER
AUTO LUBE SYSTEMOFF CYCLE
IV-9
JUNCTIONTO GOVERNOR
CONTROL VALVE
REGULATOR
AUTO LUBE PUMP
AUTO LUBECONTROL VALVE
AUTO LUBE SYSTEMON CYCLE
AIR RESERVOIR
VENT VALVE
CHECKVALVE
INJECTORS
LUBETANK
UNLOADER
VENT HOSE
IV-10
JUNCTIONTO GOVERNOR
CONTROL VALVE
REGULATOR
AUTO LUBE PUMP
AUTO LUBECONTROL VALVE
AIR RESERVOIR
VENT VALVE
CHECKVALVE
INJECTORS
LUBETANK
UNLOADER
VENT HOSE
AUTO LUBE SYSTEMINSTANT CONTROL VALVE SHUTS OFF
IV-11
IV-12
REGULATOR VENT VALVE UNLOADER PUMP
AUTO LUBE CONTROLVALVE
VENT HOSE LUBE HOSE CHECK VALVE TANK
TOBEARING
FROMLUBRICATION
PUMP
LUBE INJECTOR
STAGE 1SPRINGINJECTOR
PISTON SLIDE VALVE
TOBEARING
FROMLUBRICATION
PUMP
STAGE 2
INTERNALPASSAGE
MEASURINGCHAMBER
DISCHARGECHAMBER
IV-13
TOBEARING
FROMLUBRICATION
PUMP
LUBE INJECTORSTAGE 3
SPRINGINJECTORPISTON
DISCHARGECHAMBER
TOBEARING
FROMLUBRICATION
PUMP
STAGE 4
SLIDE VALVE
MEASURINGCHAMBER
DISCHARGECHAMBER
ADJUSTMENTCAP
PISTONROD
INTERNALPASSAGE
IV-14
1
STEERINGCYLINDER
STEERINGHYDRAULIC
TANK
STEERINGCOOLERS
STEERINGCOOLING
PUMPSTEERINGCONTROL
VALVE
STEERINGPUMPS
COMPENSATORVALVE GROUP
PRESSUREREDUCING
VALVES
NEUTRALIZERVALVES
METERINGPUMP
STEERINGFILTER
SUPPLEMENTALSTEERING
PUMP
DIVERTERVALVE
994 WHEEL LOADERSTEERING SYSTEM
V-2
V-3COMPONENTS
BRAKE OILCOOLING
TANK
IMPLEMENTOIL COOL-ING FILTER
STEERINGAND BRAKE
COOLINGFILTER
STEERINGAND BRAKE
OIL TANK
V-4PUMP COMPONENTS
RIGHTSTEERING
PUMP
LEFTSTEERING
PUMP
BRAKECOOLING
PUMP
PUMPCOMPENSATOR
PUMPCOMPENSATOR
SWASHPLATE
LARGEACTUATOR
PISTON
STEERING PUMP ANDCOMPENSATOR VALVE
LOW PRESSURE STANDBY
FROM STEERINGCONTROL VALVE
FLOWCOMPENSATORSPOOL
PRESSURECOMPENSATORSPOOL
CONPENSATOR VALVE
SMALLACTUATOR PISTON
MINIMUM ANGLESTOP
MAXIMUM ANGLESTOP
CHARGEPUMP
V-5
SWASHPLATE
LARGEACTUATOR
PISTON
STEERING PUMP ANDCOMPENSATOR VALVE
UPSTROKE
FROM STEERINGCONTROL VALVE
FLOWCOMPENSATORSPOOL
PRESSURECOMPENSATORSPOOL
CONPENSATOR VALVE
SMALLACTUATOR PISTON
MINIMUM ANGLESTOP
MAXIMUM ANGLESTOP
CHARGEPUMP
V-6
SWASHPLATE
LARGEACTUATOR
PISTON
STEERING PUMP ANDCOMPENSATOR VALVE
CONSTANT FLOW
FROM STEERINGCONTROL VALVE
FLOWCOMPENSATORSPOOL
PRESSURECOMPENSATORSPOOL
CONPENSATOR VALVE
SMALLACTUATOR PISTON
MINIMUM ANGLESTOP
MAXIMUM ANGLESTOP
CHARGEPUMP
V-7
SWASHPLATE
LARGEACTUATOR
PISTON
STEERING PUMP ANDCOMPENSATOR VALVE
DESTROKE
FROM STEERINGCONTROL VALVE
FLOWCOMPENSATORSPOOL
PRESSURECOMPENSATORSPOOL
CONPENSATOR VALVE
SMALLACTUATOR PISTON
MINIMUM ANGLESTOP
MAXIMUM ANGLESTOP
CHARGEPUMP
V-8
SWASHPLATE
LARGEACTUATOR
PISTON
STEERING PUMP ANDCOMPENSATOR VALVE
RELIEF
FROM STEERINGCONTROL VALVE
FLOWCOMPENSATORSPOOL
PRESSURECOMPENSATORSPOOL
CONPENSATOR VALVE
SMALLACTUATOR PISTON
MINIMUM ANGLESTOP
MAXIMUM ANGLESTOP
CHARGEPUMP
V-9
ORIFICE 2
FROM RIGHTSTEERING PUMP
DRAIN PASSAGE
SHIMS
FROM LEFTSTEERING PUMP
ANDSUPPLEMENTAL
STEERING VALVE
TO HMUSTEERING OIL
PRESSURESWITCH
VALVE SPOOL
ORIFICE 1
VALVE 1VALVE 2
SELECTOR AND PRESSURE CONTROL VALVESV-10
L R PT
CONTROLSECTION
SLEEVE
SPOOL
DRIVEPIN THERMAL BLEEDPASSAGES
CENTERINGSPRINGS
METERINGSECTION
ROTOR
STATOR
HAND METERING UNITNEUTRAL
V-11
L R PT
L R PT
HAND METERING UNIT
METERINGSECTION
CONTROLSECTION
SPOOL
ROTOR
STATOR
CENTERINGSPRINGS
LEFT TURN
SLEEVEDRIVEPIN
RIGHT TURN
V-12
TOSTEERINGCONTROL
VALVEFROM HMU
CHECK VALVE
SPRINGVALVE SPOOL
FROMSTEERINGCONTROL
VALVETO HMU
CHECKVALVE
SPRING
VALVE SPOOL
NEUTRALIZER VALVE
LESS THAN MAXIMUM TURN
MAXIMUM TURN
V-13
STEERING CONTROL VALVEHOLD
CONTROLSPOOL
RELIEF VALVE
DOUBLE CHECK VALVE
SIGNALPASSAGE
FROMHMU
FROMHMUTO STEERING
CYLINDERSTO STEERINGCYLINDERS
FROM STEERING PUMPS
V-14
STEERING CONTROL VALVE
RIGHT TURN
CONTROLSPOOL
RELIEFVALVE
DOUBLE CHECK VALVE
SIGNALPASSAGE
FROMHMU
FROMHMUTO STEERING
CYLINDERSFROM STEERING
CYLINDERS
TO TANK
FROM STEERING PUMPS
V-15
STEERING SYSTEMHOLD
STEERING AND BRAKE TANK
LEFTNEUTRALIZER
VALVE
RIGHTNEUTRALIZER
VALVE
HAND METERING UNIT
STEERINGCONTROL VALVE
STEERING CYLINDERS
LINERELIEFVALVES
RIGHT PUMP
RIGHT PUMP COMPENSATOR VALVE
PRESSURE ANDSELECTOR VALVES
CHECKVALVE
CHECKVALVE
LEFT PUMPCOMPENSATOR VALVE
CHECKVALVE
LEFT PUMP V-16
STEERING SYSTEMGRADUAL RIGHT TURN
STEERINGCYLINDERS
LINERELIEFVALVES
DOUBLECHECKVALVE
NEUTRALIZERVALVES
HANDMETERING
UNIT
PRESSUREAND
SELECTORVALVE 2
PRESSUREAND
SELECTORVALVE 1
RIGHT PUMPCOMPENSATOR
VALVE
LEFT PUMPCOMPENSATOR
VALVE
CHECKVALVE
CHECKVALVE
RIGHT PUMP
LEFT PUMP
STEERING ANDBRAKE TANK
RELIEFVALVE
V-17
STEERING SYSTEM WITH SUPPLEMENTAL STEERINGDIFFERENTIAL PRESSURE BELOW 1220 kPa (175 psi)
REVERSINGSPOOL INLET
CHECKVALVES
SUPPLEMENTALPUMP
FLOWCHECKVALVES
OUTLET CHECK VALVE
DIVERTERSPOOL RELIEF
VALVE
NEUTRALIZERVALVES
HANDMETERING
UNIT
PRESSUREAND
SELECTORVALVE 2
PRESSUREAND
SELECTORVALVE 1
RIGHT PUMPCOMPENSATOR
VALVE
LEFT PUMPCOMPENSATOR
VALVE
RIGHT PUMP
LEFT PUMP
STEERING ANDBRAKE TANK
V-18
STEERING SYSTEM WITH SUPPLEMENTAL STEERING
REVERSINGSPOOL
INLETCHECKVALVES
SUPPLEMENTALPUMP
FLOWCHECKVALVES
OUTLET CHECK VALVE
DIVERTERSPOOL RELIEF
VALVE
NEUTRALIZERVALVES
HANDMETERING
UNIT
PRESSUREAND
SELECTORVALVE 2
PRESSUREAND
SELECTORVALVE 1
RIGHT PUMPCOMPENSATOR
VALVE
LEFT PUMPCOMPENSATOR
VALVE
RIGHT PUMP
LEFT PUMP
STEERING ANDBRAKE TANK
DIFFERENTIAL PRESSURE ABOVE 1220 kPa (175 psi)
V-19
STEERING SYSTEM WITH SUPPLEMENTAL STEERING
REVERSINGSPOOL
INLETCHECKVALVES
SUPPLEMENTALPUMP
FLOWCHECKVALVES
OUTLET CHECK VALVE
DIVERTERSPOOL RELIEF
VALVE
NEUTRALIZERVALVES
HANDMETERING
UNIT
PRESSUREAND
SELECTORVALVE 2
PRESSUREAND
SELECTORVALVE 1
RIGHT PUMPCOMPENSATOR
VALVE
LEFT PUMPCOMPENSATOR
VALVE
RIGHT PUMP
LEFT PUMP
STEERING ANDBRAKE TANK
ENGINE OFF
V-20
STEERING COOLING SYSTEM
STEERINGCOOLER
PUMP
FLUIDSAMPLING
VALVE
FILTERFILTER
BYPASSVALVE
OIL COOLER CORES
COOLERBYPASSVALVE
BREATHER
STEERING ANDBRAKE TANK
FILTER
V-21
V-22STEERING AND BRAKE OIL COOLERS
MODULES
MACHINERIGHTSIDE6 5 4
IMPLEMENT OIL COOLERS
MODULES 677 5 4
LEFTBRAKEPEDAL
RIGHT BRAKEPEDAL
RIGHT BRAKEVALVE
PARKING BRAKEVALVE
BRAKEACCUMULATORS
LEFT FRONTSERVICE BRAKE
LEFT REARSERVICE BRAKE
RIGHT FRONTSERVICE BRAKE
RIGHT REARSERVICE BRAKE
PARKINGBRAKE
BRAKE OILCOOLER CORE GROUP
BRAKECOOLING
PUMP
BREATHER
BREATHER
VARIABLEDISPLACEMENTPISTON PUMP
PRESSURECOMPENSATOR
VALVE
PUMPACTUATOR
STEERING AND BRAKETANK
BRAKE COOLINGTANK
PRESSURERELEASE SPOOL
MANUALSPOOL
NEUTRALIZER VALVE FROMTRANSMISSION
NEUTRALIZER VALVE BRAKE SYSTEMENGINE OFF
V-23
PUMP SERVO VALVE CONTROL PISTON
CONTROL PISTONPASSAGE
SPRING
SWASHPLATEPISTON ASSEMBLY
DRIVE SHAFT
BARREL
OUTLET PASSAGE
INLET PASSAGE
BRAKE PUMPLOW PRESSURE
V-24
FROM PUMPOUTLET
TO CONTROLPISTON
ADJUSTMENTBOLT
LOCKNUT PRESSURE COMPENSATOR SPOOL
FROM PUMPOUTLET
TO CONTROLPISTON
ADJUSTMENTBOLT
LOCKNUT PRESSURE COMPENSATOR SPOOL
LOW BRAKE SYSTEM PRESSURE HIGH BRAKE SYSTEM PRESSURE
PUMP SERVO VALVE
V-25
PUMP SERVO VALVE CONTROL PISTON
CONTROL PISTONPASSAGE
SPRING
SWASHPLATE
PISTON ASSEMBLY
DRIVE SHAFT
BARREL
OUTLET PASSAGE
INLET PASSAGE
BRAKE PUMPHIGH PRESSURE
V-26
BRAKERELEASED
BRAKE CONTROLVALVE
PLUNGERSPRINGSSPOOL
PISTON SPRING
SUPPLYOIL
TOTANK
CHECK VALVE
TO SERVICE BRAKES ANDNEUTRALIZER VALVE
BRAKEENGAGED
PLUNGERSPRINGSSPOOL
PISTON
CHECKVALVE
SPRING
SUPPLYOIL
TOTANK
TO SERVICE BRAKESAND
NEUTRALIZER VALVE
V-27
TO DRAIN
TO TRANSMISSIONNEUTRALIZER VALVE
FROM BRAKECONTROL VALVE
TO BRAKE CONTROL VALVE
MANUALSPOOL
PRESSURERELEASE
SPOOL
TO DRAIN
FROM TRANSMISSIONNEUTRALIZER VALVE
FROM SERVICE VALVE
FROM BRAKE CONTROL VALVE
PRESSURERELEASE
SPOOL
MANUALSPOOL
TRANSMISSION ENGAGEDBRAKES SLOWLY DISENGAGED
LEFT BRAKE PEDAL RELEASEDTRANSMISSION DISENGAGED
BRAKES ENGAGED
LEFT BRAKE PEDAL DEPRESSED
NEUTRALIZER VALVES V-28
DISC-TYPE
SPINDLE
PLATES
DISCS
PISTON
SPRINGS
OIL CHAMBER
WHEEL ASSEMBLY
HOUSING
WHEEL BRAKE
V-29
SEPARATOR PLATESDISCS
TOPARKINGBRAKE
CONTROLVALVE
PRESSUREPLATE
SPRINGS
DRIVESHAFT
RODS
BRAKE ENGAGED
MACHINEFRAME
DRIVE SHAFT
FROMPARKINGBRAKE
CONTROLVALVE
BRAKE RELEASEPISTON
SPRINGS
BRAKE RELEASED
PARKING BRAKEV-30
BRAKE SYSTEM
LEFTBRAKEPEDAL
RIGHT BRAKEPEDAL
RIGHT BRAKEVALVE
PARKING BRAKEVALVE
BRAKEACCUMULATORS
LEFT FRONTSERVICE BRAKE
LEFT REARSERVICE BRAKE
RIGHT FRONTSERVICE BRAKE
RIGHT REARSERVICE BRAKE
PARKINGBRAKE
BRAKE OILCOOLER CORE GROUP
BRAKE COOLING PUMP
BREATHER
BREATHER
VARIABLEDISPLACEMENTPISTON PUMP
PRESSURECOMPENSATOR
VALVE
PUMPACTUATOR
STEERING ANDBRAKE TANK
BRAKE COOLINGTANK
FROMTRANSMISSION
NEUTRALIZER VALVEPRESSURE
RELEASE SPOOL
MANUALSPOOL
NEUTRALIZER VALVE
RIGHT BRAKE APPLIED
V-31
BRAKE SYSTEM
LEFTBRAKEPEDAL
RIGHT BRAKEPEDAL
RIGHT BRAKEVALVE
PARKING BRAKEVALVE
BRAKEACCUMULATORS
LEFT FRONTSERVICE BRAKE
LEFT REARSERVICE BRAKE
RIGHT FRONTSERVICE BRAKE
RIGHT REARSERVICE BRAKE
PARKINGBRAKE
BRAKE OILCOOLER CORE GROUP
BRAKE COOLING PUMP
BREATHER
BREATHER
VARIABLEDISPLACEMENTPISTON PUMP
PRESSURECOMPENSATOR
VALVE
PUMPACTUATOR
STEERING ANDBRAKE TANK
BRAKE COOLINGTANK
FROMTRANSMISSION
NEUTRALIZER VALVEPRESSURE
RELEASE SPOOL
MANUALSPOOL
NEUTRALIZER VALVE
LEFT BRAKE APPLIED
V-32
BRAKE SYSTEM
LEFTBRAKEPEDAL
RIGHT BRAKEPEDAL
RIGHT BRAKEVALVE
PARKING BRAKEVALVE
BRAKEACCUMULATORS
LEFT FRONTSERVICE BRAKE
LEFT REARSERVICE BRAKE
RIGHT FRONTSERVICE BRAKE
RIGHT REARSERVICE BRAKE
PARKINGBRAKE
BRAKE OILCOOLER CORE GROUP
BRAKE COOLING PUMP
BREATHER
BREATHER
VARIABLEDISPLACEMENTPISTON PUMP
PRESSURECOMPENSATOR
VALVE
PUMPACTUATOR
STEERING ANDBRAKE TANK
BRAKE COOLINGTANK
FROMTRANSMISSION
NEUTRALIZER VALVEPRESSURE
RELEASE SPOOL
MANUALSPOOL
NEUTRALIZER VALVE
INSTANT LEFT BRAKERELEASES
V-33
PUMP
BRAKE COOLING SYSTEM
OILCOOLER
LEFT FRONTSERVICE BRAKE
LEFT REARSERVICE BRAKE
RIGHT REARSERVICE BRAKE
COOLERBYPASSRELIEF
BRAKE COOLINGOIL TANK
BREATHER
RIGHT FRONTSERVICE BRAKE
V-34
V-35BRAKE OIL COOLER
HOSE TO REAR BRAKES HOSE TO FRONT BRAKES BRAKE OIL COOLER
COOLER BYPASS VALVE COOLER BYPASS HOSE
1
PAYLOAD MONITORING
OK0
1 2 34 5 6
7 8 9
ABCIDDEF
GHI JKL MNO
PRSTUV WXY
P1 P2 P3
SERVICELAMP
MESSAGE CENTERMODULE
KEYPADMODULE
LIFTCYLINDERPRESSURESENSORS
VIMSINTERFACE
MODULE
VIMSINTERFACE
MODULE
VIMSSERVICE TOOL
ANDSOFTWARE
PRINTER
DISPLAY DATA LINK
VIMSRS-232PORT
CAT DATA LINK
VITAL INFORMATIONMANAGEMENT SYSTEM
(VIMS)
KEYPADDATA LINK
VIMS MAIN MODULE
LIFTARM
POSITIONSENSORS
BROADCASTRS-232PORT
VI-2
BKT 0/32
ALERTINDICATOR
GAUGEPOSITION
AT 0% LOAD
MESSAGEAREA
MESSAGE CENTER
TRK 0/190TON 0%TON 0%
GAUGEPOSITION
AT 100% LOAD
GAUGEPOSITION
AT 115% LOAD
VI-3
OK
0
1 2 3
4 5 6
7 8 9
ABC
ID
DEF
GHI JKL MNO
PRS TUV WXY
F1 F2 F3
TO COMLETE ENTRIES
TO ENTER OPERATOR ID
TO SCROLL FOR AND BACK
TO DISPLAY PARAMETERS
TO DISPLAY INFORMATIONTO CLEAR LAST
NOT- STORED LOAD
TO DELAY PAYLOAD
KEYPAD VI-4