Gehl Z27 User Manual

17. Troubleshooting
2-99
17-4-2. Machine performance
• Contact your dealer about the measures shown in pa-
rentheses in the list below.
• If there is any abnormality or trouble whose cause is un-
known other than those shown below, ask your dealer for
repair.
Problem Cause Measure
Machine
performance
Power or speed of moving
part is low.
• Deteriorated function caused by worn
hydraulic pump
• Pressures of main relief valve, or port
relief valve of control valve are
dropped below set value.
• Damaged hydraulic cylinder
• Insufficient amount of hydraulic oil
• Clogged filter
(• Replace hydraulic pump.)
(• Check and repair valves.)
(• Check and repair.)
• Replenish hydraulic oil up to specified
level.
• Clean or replace filter.
Upperstructure does not
swing or does not swing
smoothly.
• Swing brake is not released
• Insufficient amount of grease
• Defective swing brake valve
• Defective swing motor
(• Check and repair.)
• Check and grease.
(• Check and repair.)
(• Check and repair.)
Temperature of hydraulic
oil is too high.
• Insufficient amount of hydraulic oil
• Overload
• Replenish hydraulic oil up to specified
level.
• Lower load.
Machine does not move
straight.
• Improperly adjusted track or trapped
foreign material
• Damaged hydraulic motor.
• Defective hydraulic pump
• Defective control valve
• Damaged sprocket, idler or track roll-
er.
• Adjust or clean.
(• Check and repair.)
(• Check and repair.)
(• Check and repair.)
(• Check and repair.)

Gehl Z27 Specifications

General

Brand	Gehl
Model	Z27
Category	Compact Excavator
Language	English