5
Hydraulic pressure, specifications
Function at High idle Checking points according to hydraulic diagram
PressureMPa PSI bar
Servo pressure PS–port 3 ±0.5 435 ±73 30 ±5∆p LS–pressure/Pump pressure PM–LS–port (LS–port
on manifold)2 ±0.2 290 ±29 20 ±2
Pump pressure Boom and tilt, up
PM–port 24 ±0.5 3480 ±73 240 ±5
Pressure regulator for brake accumulator, (Max. pressure)
ACC1M–port 21 ±0.5 3046 ±73 210 ±5
Pressure in brake accumulator, SE5 (Max. pressure)
ACC1M–port 15.0 – 18.2 2176 – 2640 150 – 182
Pressure in brake accumulator, SE5 (Min. pressure)
ACC1M–port 14.9 – 12.8 2161 – 1856 149 – 128
Precharge pressure in brake accumulator – @70°F
Port on accumulator 4.83 ± 0.24 700 ±35 48.3 ±2.4
Steering, pressure limiting valve LS
LS–port 15.9 ±0.5 2306 ±73 159 ±5
Steering, pressure regulator PM–port 17.5 2538 175Pressure limiting valve for Boom down, Tilt down, Extend and Extra hydraulic outlet, Frame level
PM–port 17.5 2538 175
6
Hydraulic diagram, complete
1 Pump 24 Pressure and flow compensator2 Pressure regulator 25 Valve spool3 Pressure limiting valve, max pressure (240 bar) 26 Pressure relief valve (190 bar), tilt down4 Shuttle valve 27 Pressure relief valve (250 bar), tilt up5 Pressure limiting valve, max. pressure steering (159 bar) 28 Proportional solenoid valve6 Priority valve, steering and brake 29 Slave cylinder for self level7 Pressure regulator, steering (175 bar) 30 Tilt cylinder8 Pressure regulator, brake (210 bar) 31 Load retainer and line rupture valve9 MA 17 Solenoid valve, accumulator charging 32 Extend cylinder10 Strainer 33 Lift cylinder11 Pressure regulator, pilot pressure and parking brake 34 Pressure compensator12 MA 4 Solenoid valve parking brake 35 Solenoid valve frame level 13 MA 18 Solenoid valve pilot pressure 36 Front cylinder frame level14 Parking brake cylinder 37 Rear cylinder frame level15 Accumulator 38 Frame level16 SE 5 Switch for charging accumulator 39 Extra hydraulic outlet17 Steering unit 40 Oil cooler 18 Foot brake valve 41 Oil filter19 Pressure limiting valve, (175 bar) 42 Hydraulic oil tank20 Non return valve 43 Stabilizer21 Steering selector (Crab steering, 4-wheel) 44 Solenoid valve22 Front steering cylinder 45 Joystick23 Rear steering cylinder
7
5
ELEC. SYSTEMS
37 CABLE; FUSE; RELAY
370 General, common info about 371 - 379
Cable coulorsThe cable colours used in wiring diagrams are indicated in the table below.
Code Colour
Code Colour
BL Blue R RedBN Brown SB BlackGN Green VO VioletGR Grey W WhiteOR Orange Y YellowP Pink
6
Electrical symbols and designations
Designation Symbol Explanation, designation
AL Alternator with charging regulator
BA Battery
DI Diode
FC,FH,FU
Fuse
GC,GE,GF,GFSM,GR
Grounding point
HEHeating coil, i.e. heated seat cushion
Cigarette lighter socket
IMInstrument
Display
LA
Light, continuous light i.e. low beam light
Light, flashing light, i.e. direction indicators
LC
Control light, continuous light i.e. engine oil pressure, high beam indication
Control light, flashing light, i.e. central warning light, direction indicators
Light-emitting diode
7
MA
Solenoid valve for control of air
Solenoid valve for control of oil
Solenoid, i.e. hold solenoid for bucket lockout.
MO
Electric motor, i.e. fan motor
Starter motor
PO Voltage outlet (socket)
R Rheostat, i.e., instrument lighting
RERelay:No control current on 86�85, contact position 30�87AControl current on 86�85, contact position 30�87, RE
SA
Audible signal, i.e., buzzer
Audible signal, i.e., horn
SE
Temperature sensor, i.e. engine oil temperature
Level sensor, i.e. fuel level
Pressure sensor, i.e., control pressure hydraulics
Position monitor, closing, i.e. lever position
Designation Symbol Explanation, designation
8
SE
Position monitor, opening, i.e. return filter monitor
Level monitor, i.e. coolant level
Pressure monitor, i.e. air filter
SW
Single terminal switch with manual on and off, i.e. activation of air conditioning
Single terminal switch with manual on and automatic off, i.e. horn
Designation Symbol Explanation, designation
Summary of codes in wiring diagramsAL Alternators IM Instruments and information display unitBA Batteries LA LightsDI Diodes LC Control lightsFC Fuses MA Solenoid valvesFH Fuses MO MotorsFU Fuses on circuit board PO Power outlets (sockets)GC Grounding point cab R RheostatsGE Grounding point engine RE RelaysGF Grounding point front RF Flasher relaysGFSM Grounding point starter motor SA Audible signalsGR Grounding point rear SE Sensors and monitorsHE Heating, heating coil SW Switches
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10
Wiring diagram T01BA � BatteryBA 1 Battery
AL � AlternatorAL 1 Alternator
SW � SwitchSW 1 Start Key switchSW 2 Battery disconnect switchSW 6 Seat switch
RE � RelaysRE 1 Starter relayRE 3 Neutral relay
FU � Fuse (Fuses in fuse box)FU 3 Starter relay
FU � Fuse (Fuses in battery compartment)FU 17 Starter motor fuseRE 20 Start key fuse
MO � MotorMO 1 Starter motor
11
Fig. 1
30
50a
19
15
58
P0
12
3
SW1radio
001R
200R
204R
211R
210R
100BN
300OR
601BL
213R
214R
600BL
30
50 31
MO1
BA1+ -
GCGE
GFSM
GFB-B+W
AL1
D+
SW2
FU2040 A
31
52 5
1 2
15
2 2
31
30
FU1720 A
FU310 A
5 3
7 23
3 3
60 7
301OR
613BL
325OR
609BL
350OR
RE3
30
8685
87
87a
135 611BL
SW6
2 1
RE1
30
8685
87
87a
503GN
T01V1022101
12
Wiring diagram T02
SW � SwitchSW 5 Coolant level switch
RE � RelaysRE 2 Preheating relay
FU � Fuse (Fuses in fuse box)FU 2 Preheater relay
FU � Fuse (Fuses in battery compartment)FU 18 Preheater fuse
HE � Heating coilsHE 1 Preheater
SE � Temperature sensors/monitorsSE 2 Coolant temperatureSE 9 Fuel indicator
SE � Pressure sensors/monitorsSE 6 Engine oil pressureSE 7 Air filter pressure
MA � Solenoid valvesMA 1 Engine governorMA 7 Fuel stop valve
13
Fig. 2
HE11 2
4 3
RE2
30
86 85
87
87a
FU18175 A
11
30
FU210 A
31
SE91 2 3163
°C
SE2
73
SW5
2 1
3
633
Pa
SE6
2 193
Pa
SE7
2 1103
MA11 221
MA71 2298
215
R
201
R
602
BL
614
BL
604
BL
605
BL
83
606
BL
430
YE
608
BL
300
OR
304
OR
607
BL
600
BL
T02V1022102
31
31
31
31
31
31
14
Wiring diagram T03R � ResistorR 1 Battery charging light
FU � Fuse (Fuses in fuse box)FU 5 Hour meter
LED � IndicatorsLED 11 Preheater lampLED 12 Water tempLED 13 Engine oil pressureLED 14 Air filter pressureLED 15 Transmission oil pressureLED 17 Battery charging lightLED 20 Axle lockLED 22 High beam
SA � SoundersSA 3 Warning buzzer
IM � InstrumentsIM 1 Fuel indicatorIM 2 Water temperature indicatorIM 3 Hour meterIM 4 External hour meter
D � DiodesD 31D 32D 34
15
Fig. 3
15FU510 A
LED172 1
1 3
LED112 1 3142
IM321
351
31
31
LED122 1
SA32 1
LED132 1
LED142 1
6 2
7 2
9 2
10 2
LED152 1
LED202 1
LED222 1
8 2
21 7
14 5
24 8
20 7
12 4
11 4
51 12
R1
D31
D32
D34
2345IM4
IM1
IM2
C°
17 7
25 8
32 9
34 10
40 11
55 13
325OR
303OR
604BL
605
BL
608BL
430YE
606
BL
607BL
514
GN
520GN
400
YE
614
YE
303
OR
63 2
T03V1022103
16
Wiring diagram T04LED � IndicatorsLED 16 Blinker lightLED 18 Hydraulic oil filter LED 19 High hydraulic oil temperatureLED 21 Low hydraulic oil temperatureLED 27 Low brake oil pressure
D � DiodesD 33D 35
17
Fig. 4
T04V1022104
113
LED182 1 27 8
LED192 1 28 8
LED212 1 26 8
LED272 1 313810
LED162 1 49 13
D35
D33
31
123
427YE
426YE
425YE
727VO
703VO
18
Wiring diagram T05SW � SwitchSW 4 Left combi switch
RE � RelaysRE 7 Forward speedRE 9 Gear box valve DRE 10 Gear box valve CRE 11 Reverse speed
FU � Fuse (Fuses in fuse box)FU 6 Combi switchFU 12 Horn
SA � SoundersSA 1 Front hornSA 4 Reverse warning
MA � Solenoid valvesMA 5 Forward speedMA 6 Reverse speedMA 8 Gear box valve CMA 9 Gear box valve DMA 10 Gear box valve E
D � DiodsD 5 Reverse speedD 6 Forward speed
SE � SensorSE 1 Transmission oil temperature
19
Fig. 5
T05V1022105
radio
15FU610 A
SA42
1
MA631
MA5
1 13
D6
D5
MA8
RE10
30
86 85
87
87a
MA10
MA9
1 2 3
4
SW4
506
507
505
R
N
FN
41FU12
15 A
143°C
SE1
31
36 10
1 52 35 10
22 7
31
SA12
131
37 10
611
BL RE11
30
86 85
87
87a
31617
506GN
509GN
RE7
30
86 85
87
87a
31627
501GN
508GN
517GN
517GN
302OR
510GN
RE9
30
86 85
87
87a
31513GN
511
GN
505GN
507GN
701VO
208R
514GN
210R
205
R
7 18
6 15
54 13
20
Wiring diagram T06SW � SwitchSW 12 4 wheels steer / 2 wheels / crab steering
MA � Solenoid valvesMA 2 4 wheel steerMA 3 Crab steer
21
Fig. 6
T06V1022106
SW12
8
6
A B
3
5
2
7
1
9 10
155MA3
1 2
31MA2
1 2
31
302OR
516
GN
521GN
515
GN
22
Wiring diagram T07SW � SwitchSW 10 Parking brake
RE � RelaysRE 13 Low accumulator oil pressureRE 14 PreaccumulatorRE 15 Preaccumulator indicatorRE 16 Stop motor RE 24 Park brake light
MA � Solenoid valvesMA 4 Park brakeMA 17 Preaccumulator switch
D � DiodsD 7 Low accumulator pressure D 8 Horn D 9 Preaccumulator D 14
SE � SensorSE 5 Low accumulator pressure
23
Fig. 7
T07V1022107
185
173
RE16
RE13
MA4
RE15
30
86 85
87
87a
31
31
203
213
D8
Pa
SE5
MA17
31
339
D7
225 23 1D9
31
308
31
3131
D14
D11
RE14
30
86 85
87
87a
205R
428YE
304OR
402
401YE
318OR
306OR
301OR
303OR
SW10
10 9
6
5
2
1
7
8
B
302OR
400YE
YE
430YE
432YE
502GN
61 5
62 5
607
517GN
24
Wiring diagram T08RE � RelaysRE 17 Axle lockRE 18 Hydraulic oil filter pressureRE 25 Axle lock relay
FU � Fuse (Fuses in fuse box)FU 7 Control unit
MA � Solenoid valvesMA 11 Frame levelMA 12 Frame levelMA 13 Fork tiltMA 14 Fork tiltMA 15 Axle lockMA 16 Axle lock
P 1 Frame level joystickP 2 Fork tilt joystick
SE � Temperature sensors/monitorsSE 3 Hydraulic oil, high temperatureSE 4 Hydraulic oil, low temperature
SE � Pressure sensors/monitorsSE 8 Hydraulic oil filter pressureSE 10 Proximity sensor
ECU Control unit
25
Fig. 8
T08V1022108
15FU710 A
-ECU1 2
14 4
36
8 10
915
16 12
117
P1
P2
MA11
MA12
MA13
MA14
31
SE10
RE17
30
86 85
87
87a
RE25
30
86 85
87
87a
MA16
MA15
243
31
31
31
31263
31283
31274
°C
SE4
Pa
SE8RE18
30
8685
87
87a
°C
SE3
253
29 2
30 7
31 9
304
OR
411YE
409YE
410YE
412YE
403YE
404YE
405
YE
406YE
407YE
408YE
413YE
414YE
520GN
425YE
426YE
427YE
429YE
303OR
26
Wiring diagram T09SW � SwitchSW 8 Hydraulic lockSW 13 Left stabilizer SW 14 Right stabilizerSW 19SW 20
RE � RelaysRE 19 Auxiliary 1RE 20 Auxiliary 2
FU � Fuse (Fuses in fuse box)FU 8 Stabilizer and auxiliary
MA � Solenoid valvesMA 18 Hydraulic lockMA 19 Auxiliary 1MA 20 Auxiliary 2MA 21 Left stabilizer upMA 22 Left stabilizer downMA 23 Right stabilizer upMA 24 Right stabilizer down
D � DiodsD 10
27
Fig. 9
T09V1022109
15FU810 A
RE19
30
86 85
87
87a MA19
31
SW19
RE20
30
86 85
87
87a MA20
SW20
31
SW8
5
8
9
17
10318323
MA1831
31
SW13
42
8
13
10 9
7
MA22
MA21
31
MA23
MA2431
SW14
42
8
13
10 9
7
31
421
YE
422
YE424
YE
D10 33 7402
YE
431
YE
415
YE
416
YE305
OR
417
YE
418
YE
419
YE
420
YE
28
Wiring diagram T10SW � SwitchSW 3 Left combi switchSW 9 Marker lamp
FU � FuseFU 4 Left marker lampFU 10 ??FU 11 Marker lampFU 16 Right marker lamp
LA � LampLA 1 Main beam rightLA 2 Main beam leftLA 3 Full beam rightLA 4 Full beam leftLA 5 Rear right marker lampLA 6 Front right marker lampLA 25 Rear left marker lampLA 26 Front left marker lamp
RE � RelayRE 24 Plus after key switch
29
Fig. 10
T10V1022110
30
343
RE24
30
86 85
87
87a
31
SW3
0j1
56a
49a
53
31b
56b56
LA2
31
LA1
LA4
LA3
31
SW9
31
82
10
B
9
6
15FU10
20 A
355
LA5
31
LA6
LA25
31
LA26FU410 A
FU1610 A
31
38 4
365
375
42 13
43 13
44 12
45 12
46 12
47 12
39 11
FU1115 A
48 12
706
VO
723VO
707
VO
307OR
704
VO
703VO
730
VO
331OR
210
R
732
VO
303
OR
205
R
701
VO
702VO
731
VO
800GR
802GR
803
GR
53 13
801
GR
317OR
331OR
30
Wiring diagram T11SW � SwitchSW 15 Rotation beaconSW 18 Work lightsSW 35 Cab light
RE � RelaysRE 21 Work light
FU � Fuse (Fuses in fuse box)FU 13 Cigarette lighter and power outletFU 14 Rear working lightsFU 15 Front working lights
FU � Fuse (Fuses in battery compartment)FU 19 D+FU 22 D+
LA � LightsLA 7 Brake lightLA 8 Brake lightLA 13 Cab rear work lightLA 14 Cab rear work lightLA 15 Boom work lightLA 16 Boom work lightLA 17 Cab front work lightLA 18 Cab front work lightLA 21 Cab lightLA 23 Rotating beacon lamp
FC � FC 9
PO � PlugPO1 Plug 1PO2 Plug 2
31
Fig. 11
FU1930 A
SW18
10
B
15
9
LA13
LA14
LA15RE21
30
8685
87
87a
FU1415 A
LA16
LA17
LA18
3910
403
FU1320 A
PO
PO
SW15
75
10
B
9
M
LA23
FC910 A
LA21SW35
FU1515 A
30
30
FU2230 A
41 5709VO
714VO
208R
711VO
331OR303OR
710VO
202R
209R
705VO
203R
SE11
31
31
31
31
31
31
31
31
31
31
3910LA7
LA8
303OR
708VO
T11V1022111
32
Wiring diagram T12MO � MotorsMO 3 Front wiperMO 4 Front washer pumpMO 5 Rear wiperMO 6 Rear washer pumpMO 7 Roof wiper motor
SW � SwitchesSW 17 Rear wiper
33
Fig. 12
T12V1022112
31
MO3
M
MO5
M
MO7
M
31
4410
4510
4610
4810
MO4
M
MO6
M
314710
800GR
801
GR
802
GR317
OR
803
GR
SW17
10 9
B
2
5731684
12
3
12
3
513 303
OR
D1
31
805GR 807
GR
804
GR
807
GR
808GR
34
Wiring diagram T13LA � LightsLA 9 Front right blink lightLA 10 Front left blink lightLA 11 Rear right blink lightLA 12 Rear left blink light
SW � SwitchesSW 7 Direction switch
RE � RelaysRE 23 Blink relayRE 28 Right blink relayRE 29 Left blink relay
D � DiodesD 16 Right blink lightRE 17 Light blink left
35
Fig. 13
T13V1022113
LA9
LA11 31
LA10
LA12
31
RE28
30
86 85
87
87a
RE29
30
86 85
87
87a
31
4310
4210
RE23
31
SW7
545
553
5310
49 4
731
VO
730
VO
725
VO
724
VO
726
VO
728
VO
317
OR
303
OR
727
VO
36
372 Electrical distribution box; fuse; relay; circuit breaker
Fuse
Main fusesThe main fuses are located inside the engine compartment.
Fig. 14 V1022340
1
2 3
4
5
FU A Function FU A Function1 20 A After Key 4 40 A Key switch2 30 A Signal light and output
power5 30 A Horn and work light
3 20 A Starter motor
38
Fuses
Fig. 15
Never install a fuse with a higher rating than the value given on the decal inside the fuse box. There is a risk of fire on the circuit board.
V1022339
FU1
FU2
FU3
FU4
FU5
FU6
FU7
FU8
FU9
FU10
FU11
FU12
FU A Function FU A Function1 10 Radio 9 10 Rotating beacon2 10 Preheater 10 20 Lamps3 10 Starter relay fuse 11 15 Wipers4 10 Position lights 12 15 Light and horn5 10 Hour recorder 13 20 Cigarette lighter6 10 Transmission control unit 14 15 Working lights7 10 Power outlet 15 15 Working lights8 10 Optional hydraulic func-
tion16 10 Position lights
39
Relay
RelaysNever install relay with a higher rating than value given below.
Fig. 16 V1022341
1
3
27
9
10
7
11
14
15
17
25
18
19
20
28
29
21
162313
RE A Function RE A Function1 30 Starter 17 30 Axle lock3 30 Neutral 18 30 Hydraulic oil filter pressure7 30 Forward speed 19 30 Auxiliary 19 30 Gear box valve D 20 30 Auxiliary 210 30 Gear box valve D 21 30 Work light11 30 Reverse speed 23 30 Blink relay13 30 Low accumulator pressure 25 30 Axle lock14 30 Pre accumulator 27 30 Plus after key15 30 Pre accumulator indicator 28 30 Right blink light16 30 Stop motor 29 30 Left blink light
40
38 INSTRUMENT; SENSOR; WARNING AND INFORMATION SYSTEM
380 General, common info about 383 - 387
Control switchesControl switches are located on the dashboard with the excep-tion of the Frame level switch, witch is located on the right arm rest near the Control lever.
Parking brake set
NOTE! WARNING!!!
Steering mode
Front wiper
Top wiper
Top washer
Two position switch; Engage the parking brake
Three position switch; top is Four wheel/Round mode, middle is Two wheel mode, bottom is Crab mode. See section Steering, oper-ating instructions. TH60/TH80, 050, Steering, operating instructions
V1015055
Two position Switch; Turns on main wiper on the front window of enclosed cabs
V1015104
Two position Switch; Turns on wiper on the top window of enclosed cabs.
V1015105
Two position momentary Switch; Sprays window wash solution onto the top window of enclosed cabs
V1015106
41
Creep mode
Work lights
Hazard lights
Left stabilizer
Right stabilizer
Frame level
Heater fan
Two position momentary Switch; Shifts transmission into highest gear. Use this drive mode when moving close to your landing area where slow, controlled movements is necessary.
V1015106
Two position Switch; Turns on work lights on machines so equipped
V1015121
Two position Switch; Turns on flashing hazard lights on machines so eqipped.
V1015054
Three position momentary switch; Raises and lowers the left stabi-lizer on machine so equipped.
V1015122
Three position momentary switch; Raises and lowers the right stabi-lizer on machine so equipped.
V1015123
Three position momentary switch; Allows the operator to level the frame before elevating the boom
V1015056
Two position switch; Turns on the heater fan on machine so equipped.
V1015057
42
Indicator lights
Hydraulic oil filter
Hydraulic oil temperature
Brake pressure
Parking brake engaged
Oil temperature
Oil pressure
Water temperature
Transmission oil temerature
Air filter
Glow on plug (only at start�up)
Charging system
Turn signal
High beam lights
Hazard lights
V1015045
V1015052
V1015044
V1015049
V1015053
V1015047
V1015046
V1015050
V1015051
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