CONTENTS
Replace Hydraulic Tank Oil Filter .......................................7-49
Replace Air Breather Element ............................................. 7-51
Check Pilot Circuit Accumulator Function, Gas
Leakage, Looseness, and Damage .............................. 7-52
Replace Pilot Circuit Accumulator ....................................7-53
Check Ride Control Accumulator Function, Gas
Leakage, Looseness, and Damage .............................. 7-53
Check Gas Pressure in Ride Control Accumulator ....... 7-53
Check Hoses and Lines .........................................................7-54
E. Fuel System ................................................................................ 7-59
Check Fuel Level ...................................................................... 7-59
Drain Water and Sediment from Fuel Tank .................... 7-61
Drain Fuel Filter ........................................................................7-62
Replace Fuel Main Filter Element ......................................7-63
Replace Fuel Pre-Filter Element .........................................7-64
Clean Fuel Pump Strainer ..................................................... 7-65
Check Fuel Hoses ....................................................................7-66
F. Air Cleaner ................................................................................... 7-67
Clean and Replace Air Cleaner Element .........................7-67
Dust Ejection Valve .................................................................7-68
Check Air Inlet System .......................................................... 7-69
G. Cooling System ........................................................................7-70
Check Coolant Level ..............................................................7-71
Check Drive Belt ...................................................................... 7-72
Check and Adjust Drive Belt Tension .............................. 7-72
Change Coolant ....................................................................... 7-73
Clean Radiator/Oil Cooler Cores and Other Cooling
System ................................................................................... 7-74
H. Electrical System ...................................................................... 7-75
Batteries .....................................................................................7-75
Replace Batteries ..........................................................................7-79
Check Monitor Functions and All Other Instrument
Operation ............................................................................. 7-79
Check Work Lights .................................................................. 7-80
Check Horn and Reverse Buzzer ........................................7-80
Check Electrical Harnesses and Fuses .............................7-81
Fuse Box A .................................................................................7-82
Fuse Box B .................................................................................. 7-82
I. Brake System ...............................................................................7-83
Check Right and Left Brake Interlocking
Performance ........................................................................7-83
Check Parking Brake Force .................................................. 7-84
Check Accumulator Function, Gas Leakage,
Looseness, and Damage .................................................7-85
Check Gas Pressure in Accumulator .................................7-86
Check Brake Disks (Service and Parking) ........................7-86
J. Tire .................................................................................................. 7-87
Check and Replace Tire (Tire Pressure) ............................7-87
Check Tire for Damage ..........................................................7-87
Check Wheel Bolt Torque .....................................................7-88
K. Air Conditioner ......................................................................... 7-93
Clean/Replace Air Conditioner Circulation/Fresh Air
Filters ......................................................................................7-93
Check Air Conditioner ........................................................... 7-96
Check Air Conditioner Piping .............................................7-96
Check Air Conditioner Condenser ....................................7-97
Check Air Conditioner Compressor Belt .........................7-97
Check Refrigerant ...................................................................7-98
Check Compressor and Pulley ............................................7-98
L. Miscellaneous ............................................................................ 7-99
Check Bucket Teeth and Cutting Edge ............................7-99
Check and Replace Seat Belt and Lower Tether .........7-100
Check ROPS cab, Resin Cab Roof, and Roof
Mounting Bolts .................................................................7-100
Check Windshield Washer Fluid Level ...........................7-100
Check Play Amount in Steering Wheel Movement ...7-101
Check Accelerator Pedal Operation, and Exhaust
Gas Color and Noise .......................................................7-102
Check Rearview Mirror and Inside Rearview
Mirror ...................................................................................7-103
Check Steps and Handrails for Damage and
Looseness ...........................................................................7-103
Clean Engine Compartment and Hood ........................7-104
Check Sound Absorbing Mat Around Engine ............7-104
Check and Adjust Valve Clearance ..................................7-104
Retighten Front Axle and Rear Axle Support
Mounting Bolts .................................................................7-105
Tightening and Retightening Torque of Nuts and
Bolts ......................................................................................7-106
MAINTENANCE UNDER SPECIAL ENVIRONMENTAL
CONDITIONS ................................................................. 9-1
Maintenance Under Special Environmental Conditions ...9-1
Precautions for Maintenance During Cold Weather
Season ............................................................................................9-2
STORAGE ..................................................................... 10-1
Storing the Machine ....................................................................10-1
TROUBLESHOOTING ................................................... 11-1
Troubleshooting ...........................................................................11-1
SPECIFICATIONS ......................................................... 12-1
Specifications .................................................................................12-1
OTHER ATTACHMENTS AND DEVICE ......................... 13-1
Quick Coupler ................................................................................ 13-1
How to Use Hydraulic Loader Coupler ............................ 13-1
General Maintenance ............................................................13-4
INDEX ........................................................................... 14-1
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