Hitachi AH170 AH200 AH250 Articulated Dump Truck Service Manual (KM-TM 1725B) PDF DOWNLOAD

Hitachi AH170 AH200 AH250 Articulated Dump Truck Service Manual (KM-TM 1725B) – Hitachi AH170 AH200 AH250

File Details:

• Hitachi AH170 AH200 AH250 Articulated Dump Truck Service Manual (KM-TM 1725B) – Hitachi AH170 AH200 AH250
• Size: 31 MB
• Format: PDF
• Language: English
• Number of Pages: 428 pages
• Brand: New Holland
• Type of document: Service Manual
• Model: AH170 AH200 AH250
• Manual No: KM-TM 1725B

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Description:

Hitachi AH170 AH200 AH250 Articulated Dump Truck Service Manual (KM-TM 1725B) – Hitachi AH170 AH200 AH250

• This manual is written for an experienced technicien , the information contained in this manual has been produced to assist you in the correct operation and maintenance of the AH170 to AH250.
• This Manual is divided into sections with iogicai sequence. Every effort has been made to ensure that the information contained in this manual is correct at the time of publication. HITACHI has & 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 compiy with the instructions and warnings that are given in the interest of general safety. Please do not hesitate 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 AH170 AH200 AH250 Articulated Dump Truck Service Manual (KM-TM 1725B) – Hitachi AH170 AH200 AH250SECTION 1
ELECTRICAL
Specifications
Operator controls and instruments
Master Display unit( MFA 10 )
Default displays
Thresholds and warnings
Switches
Range hold switch
Battery disconnect switch
lgnition switch
Start button
Battery circuit breaker
Gear shift control
Air conditioner switch
General
Electrical earthing connections
Fault finding
Circuit breakers
Relays
Trouble shooting
Schematics
Earth points
Starting and charging
Warning lights
MFA 10 & Over rev
Lighting
Turn and hazards
Brake lights and exhaust brake
Aircon
Wipers / washer
Cold Start
Battery Balancer
Range Hold
Allison / VEHICLE
Electric mirrors
Transmission cooler
Connector 1
Connectors 2 & 3
Connectors 4.5.6 & ?
Connectors 8,9.10 & 11
Connectors 12 , 13 & 14
Connectors 15.16.17 & 18
Connectors 19.20.21 & 22
Connectors 23.24.25 & 26
Connectors 27.28.2930 & 31
Connectors 32 — 37
SECTION 2
TRANSMISSION
General Description
Identification
Torque Oonxertor
Stall Testing
Planetary gears and power flows
Pianetary gear sets
Neutral
First
Second
Third
Founh
Fifth
Sixth
Reverse
Hydraullc system Overview
System function
Mann pressure
Solenoid and Reputator vai-es
Ckrtch application
Latd1ing vale
Control main cicurt
Torque converter circuit
Exhausi badæfill
Mein pressure regulator
Control main regulator
Sclenords
Nomally open
Nommlly closed
Hydraulic Schematics (Transmission) Overview
Component location (fold out)
Neutral {lola ou!)
First (tek! out)
Second (Fold ouf]
Third (fold out)
Fourth {fold out)
Fifth {fold out}
Sixth {fotd au!)
Revers: (fait! ou!)
Hydraullc flow operation
Torque comme: and tube citoiräs
Converter flow valve
Over cri-m knock down valve
Main Pressuce
Exhaust backfill
Electronic control system
ECU
Pulse width modif—15m {PWM}
Upzhitl cluich control
Shin meetoæ.
Vehicle interface module
Tivottle posiiion sensor and ed.—ustment
Speed sensors
Upshrtt tests
Do not shift light (DNS)
Auto detect
Wire check procedures
01 level sensor ( Chccking the oil level)
Diagnoflflc codes
Reading end clearing
Code titre:
Code 14xx
Code 2110:
Code 22xx
Code 2312:
Code 24xx
Code 25xx
Code 25xx
Code 32xx
Code 3310:
Code 3410:
Code 3530:
Code 3800
Code 42xx
Code 44xx
Code 4510:
Code 46xx
Code 5130:
Dodo 52:11
Code 53:01
Code 54xx
Code 55xx
Code 56xx
Code 57»!
Code 61m:
Code 62ch
Code 6330:
Code 64xx
Code 65xx
Transmission plug:
ECU Black connector
ECU Blue connector
ECU Grey connoctor
Bulk head
Prinaty shift :cicctor
Speed sensor connector
Diagnostic plug connector
Vehicle inter face wiring connector
hrotti—e menton Sensor connector
Retarder connector
Rotanfler temperature sensor connector
VehicLE InfEr face mooute Connector Hamess
Vehicle Inter face mooute Connector
Resistance modus
General trouble shooting
Welding on the Vehicle
SECTION 3
HYDRAULtCS
Location of Hydraufic components
Pressure Equivalent tabtes
Main pump
Pressure compensation valve ( Residual )
Pressure compensaling valve ( Working )
Pressure compensaling valve ( Compensating)
Basic load sensing
Hydraulic components
Main pump
Emergency steenng pump
Steertng control valve
Brake eccunu‘atæ
Check vatve
Voce Block
Hydraulie system operation
Brake Accumulatot charging
Steering
Normal steering
Emergency steering
Hydraulio retarding
Voac bloc“ illustrations]
Top view
Right view
Rear view
Front view
Bottom view
Left view
Orbital Steering Valve operation
Pressure setting procedure
Hydraulîc schonufics
Hydraullo system component location
SECTlON 4
PNEUMATICS
Compreseor
Unlsader valve
Park Brake
Suspension
Leveling Viave
Pneumatic system operation
Tio control
Exhauet Brake & Hydraufic retarder
Inter axle lock
Air suspension sont
Schematice
Location of components
Pine lion &agram
System schematic
SECTION 5
DROP—BOX AXLES AND BRAKES
Propshafts
Maintenance
Lubñcaflon
Propshaft layout
Retaining bolts and lock nut torque check
Troubleshooting
Dropbox
Technical Data
Disassembly of Drop box
Assembly
Axle Clearance Table
Gear Backlash
Dlfierentials
Replacing Seals
Brakes