Troubleshooting - IHI IC75-2 Operation Manual

TROUBLESHOOTING

Regarding to actions marked with *, contact the distributor or service personnel.
SYMPTOM
Machine does not
travel fast and
powerfully.
Speed does not
change even if
changing selectors.
Machine curves
during travel.
Machine does not
travel smoothly.
IC75-2 ENG
MAINTENANCE
PROBABLE CAUSE
• Short of hydraulic oil
• Lowered pressure set for relief
valve
• Defect of motor or reduction gear
• Defect of pump
• Over-tensed crawler
• Discontinuity or disconnection of
electric wires.
• Defect of solenoid valve for
speed selection
• Tangled obstacle
• Unequal tension of right and left
• Loose stopper bolt of travel
selector lever
• Tangled stone and obstacle
• Over-tensed crawler
• Short of hydraulic oil
• Defect of motor or reduction gear
• Defect of pump
• Supply oil up to specified level.
• Repair or replace parts.*
• Repair or replace parts.*
• Repair or replace parts.*
• Adjust both right and left tension
to regular value.
• Repair or replace parts.*
• Repair or replace parts.*
• Remove obstacle
• Adjust tension of right and left to
regular value.
• Adjust and fix stopper bolts
• Remove obstacle.
• Adjust tension of right and left to
regular value.
• Supply oil to specified level.
• Repair or replace parts.*
• Repair or replace parts.*
4-35
REMEDY