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Seasonal Maintenance .......................................................... 7-78
I. Electrical System ........................................................................ 7-79
Batteries ..................................................................................... 7-80
Replacing Fuses ....................................................................... 7-85
Check Fusible Link .................................................................. 7-87
Check Electrical Cables and Wire Harnesses ................. 7-88
Check Emergency Engine Stop Switch ........................... 7-90
Check Lights ............................................................................. 7-91
Check Horn and Backup Alarm Buzzer ............................ 7-91
Check Suspension Pressure Sensor .................................. 7-92
J. Brakes & Steering System ...................................................... 7-94
Check Brake Operation ......................................................... 7-94
Check Service Brake ............................................................... 7-95
Check Parking Brake .............................................................. 7-96
Check Accumulator ................................................................ 7-97
Check Front Brake Lining ..................................................... 7-99
Check Front Brake Disk ......................................................... 7-99
Check Rear Brake Cooling Oil Level ................................7-100
Drain Rear Brake Cooling Oil Tank Sump ......................7-101
Change Rear Brake Cooling Oil ........................................7-102
Replace Suction Filter ..........................................................7-102
Replace Line Filter Element ...............................................7-104
Clean Brake Cooling Oil Cooler ........................................7-105
K. Suspension, Wheels & Tires ................................................7-106
Check Suspension.................................................................7-107
Check Wheels .........................................................................7-108
Check Front Axle ...................................................................7-109
Check Front Wheel Lubricant ...........................................7-109
Change Front Wheel Lubricant ........................................7-109
Check Tire Inflation Pressure .............................................7-110
Check Tire Condition ...........................................................7-111
Check Wheel Alignment .....................................................7-111
L. Miscellaneous ..........................................................................7-112
Check, Clean and Replace Alternator
Carbon Brush ....................................................................7-112
Check and Change Coolant
in the Control Cabinet ...................................................7-115
Clean and Replace Pressurized
Control Cabinet Filter .....................................................7-116
Clean Rear Axle Inside .........................................................7-117
Check and Replace Seat Belt .............................................7-117
Check Windshield Washer Tank .......................................7-117
Check Play Amount in Steering Wheel Stroke ............7-118
Check Auto-Lubrication System ......................................7-119
Check Tightening Torque of Bolts and Nuts ................7-121
Check Dump Body Prop Cable .........................................7-132
MAINTENANCE UNDER SPECIAL
ENVIRONMENTAL CONDITIONS .............................................9-1
STORAGE
Storing Machine............................................................................ 10-1
Removing Machine from Storage .......................................... 10-2
TROUBLESHOOTING
Cummins Fault Code Lamps and
Diagnostic Switches ............................................................... 11-1
Engine ............................................................................................... 11-2
CONTENTS
Electrical System ........................................................................... 11-6
Hydraulic System .......................................................................... 11-9
Hydraulic Hoist System ............................................................11-11
Hydraulic Steering System ......................................................11-11
Steering Pump .............................................................................11-12
Steering Control Valve ..............................................................11-13
Front Axle ......................................................................................11-14
Rear Axle ........................................................................................11-15
Hoist Pump Driveline ................................................................11-15
Rear Axle Planetary ....................................................................11-16
Parking Brake ...............................................................................11-16
Alternator ......................................................................................11-17
Wheel Motor ................................................................................11-17
Blower Motor ...............................................................................11-18
SPECIFICATIONS
Specifications ................................................................................. 12-1
Hitachi Loading Policy ................................................................ 12-2
INDEX ............................................................................................... 14-1
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