Hitachi AH350 AH400 Articulated Dump Truck Service Manual (KM-TM3540B)
FILE DETAILS:
Hitachi AH350 AH400 Articulated Dump Truck Service Manual (KM-TM3540B)
- Format: PDF
- Language: English
- Number of Pages: 381 pages
- Brand: Hitachi
- Type of document: Repair Manual
- Model: AH350 AH400 Articulated Dump Truck
- Part No: KM-TM3540B
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DESCRIPTION:
Hitachi AH350 AH400 Articulated Dump Truck Service Manual (KM-TM3540B)
- This manual is written for an experienced technician . the information contained in this manual has been produced to assist you in the correct operation and maintenance of the AH350 to AH400.
- This Manual is divided into sections with logical sequence. Every effort has been made to ensure that the information contained in this manual is correct at the time of publication.
- HITACHI has a policy of continuous product development. improvement and design therefore changes may have occurred that are not included in this manual.
- You the user of this manual are urged to strictly comply with the instructions and warnings that are given in the interest of general safety.
- Please do not lresltate to contact your nearest authorized service centre or dealer for additional information, The address lists on the following pages were correct from the 31 March 1999.
TABLE OF CONTENTS:
Hitachi AH350 AH400 Articulated Dump Truck Service Manual (KM-TM3540B)
INDEX
SECTION 1 PAGE
ELECTRICAL
Specifications 1
Operator oontrols and instruments 2
Instrument panel Ll-l 3—5
Operator controls. instrument panel 6-11
instrument panel RH 12-14
Circuit breaker board 15
Air conditioner 16
Indicators and headlight control 17
Push button Shift selector and range hold switch 18-19
Battery disconnect switch 19
Battery box circuit breakers 20-21
Fault find ing 22-24
Relays 25
Trouble shooting 26—27
Schematics
Earth points 28
Starting and charging 29
lndlcatorlhazardfair born 30
Headlight 31
Warning 32
Guages 33
Over revilow ain’trans temp 34
Wiper washeriaircont’mt light 35
Stoplight/evbhev light 36
Park brakefhold rangeflain up 37
Allison 38
High/low range 39
Flame staritrans cooler fans!trans cooler 40
Radio/battery balancer 41
Connector 1 42
Connectors 2 & 3 43
Connectors 4.5.6 & 7 44
Connectors 8.9.10 & 11 45
Connectors 12 . 13 & 14 46
Connectors 15.16.17 & 18 47
Connectors 1920.21.22 & 23 48
Connectors 24.25.26 & 27 49
SECTION 2
TRANSMISSION
General Description 1
Identification 2
Torque Convertor 2-7
Stall Testing 8-11
Planetary gears and power flows
Planetary gear sets 12
Transmission cross section 16
Neutral ~ 18
First 19
Second 20
Third 21
Fourth 22
Fifth 23
Sixth 24
Reverse 25
Hydraulic system Overview
System function 26
Main pressure 27
Solenoid and Regulator valves
Clutch application 28
Latching valves 29
Control main circuit 30
Torque converter circuit 30-32
Exhaust backfill 32
Main pressure regulator 33
Control main regulator 34
Solenoids
Normally open 35
Normally closed 35
solenoids 37
Hydraulic Schematics (Transmission) Overview
Component location (fold out) 38
Neutral 39
First 40
Second 41
Third 42
Fourth 43
Fifth 4/.
Sixth 45
Reverse 46
Hydraulic flow operation
Torque converter and lube circuits 47
Converter flow valve 48
Over drive knock down valve 48-49
Main Pressure 50
Exhaust backfill 51
Electronic control system 52
ECU 53
Pulse width modulation [PWMl 54-55
Upshilt clutch control 56-57
Shift selectors 58-59
Vehicle interface module 60
Throttle position sensor and adjustment 61-72
Speed sensors 73
Wiring Harness 74-76
Upshilt tests 76-77
00 not shift light (DNS) 78
Auto detect 79-81
Wire check procedures 82—85
Oil level sensor ( Checking the oil level) 88.90
Diagnostic codes
Reading and clearing 91-95
Cede 13xx 96-97
Cede 14xx 98-100
Cede21xx 101-102
Code 22xx 103-104
Cede 23xx 105
Code 24xx 106-110
Code 25xx 111-112
Code 26xx 1 13
Code 32xx 114
Code 33xx 115-116
Cede 34xx 1 17
Code 35xx 118
Code 3600 1 19
Code 42xx 120-122
Cede 44xx 123-124
Code 45XX 125-126
Code 46m 127
Code 51xx 128-130
Code 52xx 131-132
Code 53xx 133-134
Code 54):): 135-138
Cede 55:0: 139-140
Code 56xx 141-143
Code 57xx 144
Code 61xx 145-146
Code 62xx 147-148
Cede 63:0: 149
Code 6420: 150-152
Code 66XX 153
Transmission plugs
ECU Black connector 1 54
ECU Blue connector 155
ECU Grey connector 156
Bulk head 157
Primary shift selector 158
Speed sensor connector 159
Diagnostic plug connector 160
Vehicle inter face wiring connector 161-162
Throttle position Sensor connector 163
Retarder connector
Retarder temperature sensor connector 164
Vehicle Inter face module Connector Harness 165
Vehicle Inter face module Connector 166-167
Resistance module 168
Wiring schematic (fold out) 159
General trouble shooting 170-188
Welding on the Vehicle 189
SECTlON 3
HYDRAULICS
Hydraulic contents 1
Pressure Equivalent tabbs 2-3
Main pump 4-6
Pressure compensating valve ( Residual) 7
Pressure compensating valve { Working ) 7
Pressure compensating valve ( Compensating) 8
Basic lead sensing 9-10
Hydraulic components
Three way check valve 11
Flow amplifier 11-25
Orbital steering valve 26-28
Control bank [Gresen] 29-31
LS shuttle 31
Emergency steering pump 32-33
Check valve 34
Hydraulic pressure table
Raising the cab 35
Pressure setting procedure ( fold out) 36
Hydraulic schematic ( fold out) 37
Hydraulic component location (fold out) 38
Trouble shooting 39-40
SECTION 4
PNEUMATICS
Pneumatic contents 1
Compressor 2
Unloader valve 2-5
Four-way protection valve 6-7
Service brake 8-9
Pressure reducing valve 10-11
Park Brake actuator 11
Air / hydraulic actuator 12-1 3
Park brake valve 14-16
Emergency relay valve 17-20
Relay valve 21-22
Accelerator valve 23-24
Hydraulic tank regulator 25-26
Hydraulic tank relief valve
EVB charge valve
Manual drain valve 27
Pneumatic diagram (fold outs) 28-30
Pneumatic schematic with emergency relay valve (fold outs) 31
Pneumatic schematic with relay valve (fold outs) 32
Component location 33
Malntainance 34
Trouble shooting 35
SECTION 5
STEYRIDRIVE LINE! AXLESIBRAKES
Contents 1
Steyr transfer case
Sectional views 2-4
Operation of the steyr 5.7
Setting procedure of High I Lew range 8
Setting of interaxle lock 9
Transfer case cooling 10
Filling of transfer case 11
Alignment of tranfer case 12
Propshafts 13-19
Trouble shooting propshatts 20
Suspension
Rear 21-22
Front 23-28
Axles and chassis 29-30
Brakes 31
Lubrication of frame and body 32-35
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