Sakai SV201-1, Руководство по ремонту

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9-053
TROUBLESHOOTING
3-2-6. Abnormal noise from propulsion system
Check point Cause Check/Action
1. Axle Bearings Axle bearings supporting front drum are
damaged.
Replace axle bearings.
2. Gear Box Reduction gear of gear box is damaged. Replace reduction gear.
3. Rear Axle Rear axle gear is damaged. Replace rear axle gear.
4. Hydraulic Hose
Clamp
Vibrator sound of hydraulic hose is
generated because clamp securing
hydraulic hose is loose.
Tighten bolts of loose hydraulic hose clamp
to specified torque.
5. Hydraulic Oil Filter Cavitation is occurring in charge pump due
to clogged filter.
Clean hydraulic oil filter or replace it if
necessary.
6. Charge Circuit
Pressure
If charge pressure is low, brake cannot be
released completely, which causes brake
drag.
Measure charge pressure.
If low, check and adjust charge relief valve
or replace it if necessary.
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7. Propulsion Motor Internal bearing of propulsion motor is
damaged.
Repair propulsion motor or replace it if
necessary.