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1.2 Assemble and use notice
– When assemble, scrub the oil seal on the product. Avoid product damage, no disassemble at
will.
– Avoid each fitting surface and exposed gear impact, thus influence installation.
– Normal working oil temperature is ≤70℃.
– Drive wheel is maintenance free drive device, if need grease, dismantle the drive unit, and
add from the top.
– Added amount of grease (SHELL ALVANIA R3) is 2/5-2/3 space of the inner chamber.
1.3 Fault and troubleshooting
Fault Probable cause Corrective action
Abnormal gear noise
when travelling
Over large gear clearance Adjust
Lack grease Replenish
Over large gear wear Replace
Abnormal noise when
turning
Rotary rolling bearing damage Replace
Insufficient rotary rolling bearing grease Add grease
Brake ineffective or
invalid
Inching switch loosen or damage Fasten or replace
Over large brake clearance Adjust
Brake disc over wear Replace
Brake loosen Fasten
Circuit damage Repair
Large vehicle vibration Damper assembly damage Replace
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