Kyoeisha Baroness LM531, Service Manual

Page: 149 / 161

Relating to Traveling
Problem Cause Reference
Traveling power is poor
Engine rpm is slow Raise the engine speed
Engine does not run smooth
Engine Maintenance
Manual
The parking brake is applied
This machine's Owner's
Operating Manual
The unload valve is not completely closed
This machine's Owner's
Operating Manual
Insufficient amount of hydraulic oil Reference - Specifications
Blockage of hydraulic oil line filter Replacement of the filter
Hydraulic oil is too cool Warm the engine up
Dirt in the hydraulic oil (contamination, presence
of water, air) Inspection, replacement of
hydraulic parts
Wrong viscosity of hydraulic oil
Reference - List of
Consumables
Insufficient cooling of the hydraulic oil cooler
This machine's Owner's
Operating Manual
Pressure of the piston pump is not high enough
Hydraulic system -
Measurement - Traveling
circuit
Malfunction of the piston pump
Hydraulic system -
Measurement - Traveling
circuit
Replace the piston pump
Malfunction of the wheel motor
Hydraulic system -
Measurement - Traveling
circuit
Replacement of the wheel
motor
It does not travel (in the case
where the aforementioned causes
do not exist).
Malfunction of linkage, etc. from the traveling
pedal to the pump Replacement of the push-
pull cable
The unload valve is open
This machine's Owner's
Operating Manual
The piston pump speed change lever does not
operate. Replacement of the push-
pull cable
There is no charge pressure of the piston pump.
Hydraulic System -
Measurement - Charge
Circuit
Malfunction of the joint part between the engine
and pump
Replacement of the joint
It travels forward or backward
even when the pedal is released.
Malfunction of neutral of the piston pump
Main Vehicle - Adjustment -
Adjusting the Neutral
Position of the Piston Pump
Adhesion or looseness of the pedal/rod/lever part
Inspection, repair, or
replacement of each part
Troubleshooting
LM531
Troubleshooting
Page 7-5
Relating to Traveling