IHI IC75, Руководство по эксплуатации, Страница: 101 / 106

MAINTENANCE
IC75 ENG 4-37
TROUBLE SHOOTING
Regarding to actions marked with *, contact the distributor or service personnel.
SYMPTOM PROBABLE CAUSE REMEDY
Levers cannot be
controlled smoothly.
•
Short of grease at lever operating
portions
•
Defect of control valve
•
Supply oil or grease.
•
Repair or replace parts.*
Machine does not
travel fast and
powerfully.
•
Short of hydraulic oil
•
Lowered pressure set for relief
valve
•
Defect of motor or reduction gear
•
Defect of pump
•
Over-tensed crawler
•
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.
Speed does not
change even if
changing selectors.
•
Discontinuity or disconnection of
electric wires.
•
Defect of solenoid valve for
speed selection
•
Repair or replace parts.*
•
Repair or replace parts.*
Machine curves
during travel.
•
Tangled obstacle
•
Unequal tension of right and left
•
Loose stopper bolt of travel
selector lever
•
Remove obstacle
•
Adjust tension of right and left to
regular value.
•
Adjust and fix stopper bolts
Machine does not
travel smoothly.
•
Tangled stone and obstacle
•
Over-tensed crawler
•
Short of hydraulic oil
•
Defect of motor or reduction gear
•
Defect of pump
•
Remove obstacle.
•
Adjust tension of right and left to
regular value.
•
Supply oil to specified level.
•
Repair or replace parts.*
•
Repair or replace parts.*