Komatsu D61EX-24 User Manual

TROUBLES AND ACTIONS
OTHER TROUBLE
•
For the remedies indicated with (*) in the remedy column, always contact your Komatsu distributor.
• In cases of problems or causes which are not listed below, ask your Komatsu distributor for repairs.
Problem Main causes Remedy
Lack of rising and pushing force
of ripper
Slow moving
Low hydraulic oil level Add oil to specified level.
See EVER
Y 250 HOURS
MAINTENANCE.
Defective pump Check, repair. (*)
Defective adjustment of relief valve Check, adjust. (*)
Defective control valve, abnormal pressure pre-
vention valve, or valve spool
Check, repair. (*)
Defective piston ring, packing, or valve Check, repair. (*)
Clogging inside piping Check, repair. (*)
Cylinder lacks holding power. Leakage of oil from piping or hose Retighten.
Defective piston ring or packing Replace. (*)
Defective piston valve Check, repair. (*)
Defective valve spool Check, repair. (*)
Defective abnormal pressure prevention valve or
vacuum prevention valve
Check, repair. (*)
Oil pressure rises. Clogging inside piping Repair. (*)
Defective adjustment of relief valve Check, adjust. (*)
ATTACHMENTS AND OPTIONS HANDLE HYDRAULIC RIPPER
6-7

Komatsu D61EX-24 Specifications

General

Brand	Komatsu
Model	D61EX-24
Category	Utility Vehicle
Language	English