Installation, Operation and Parts Manual
EE-65A.40T
21
TROUBLE SHOOTING
ATTENTION: If the trouble could not be fixed by yourself, please do not hesitate to contact us for help.
We will offer our service at the earliest time we can.
Troubles could be judged and solved much faster when more details or pictures could be provided.
TROUBLES
CAUSES
SOLUTION
Motor does not run
and will not rise
Loose wire connection
Check and make a good connection.
Blown motor.
Replace it.
Damaged limit switch or its wire connection is loose.
Adjust or replace the limit switch.
Motor runs but will
not raise
The motor run reversely.
Check the wire connection.
Overflow valve is not well screwed up or jammed.
Clean or make adjustment
Damaged gear pump.
Replace it.
Too low oil level.
Add oil.
The hose connection is loose.
Tighten it.
The motor run reversely.
Check the wire connection.
Platforms go down
slowly after being
raised
The oil hose leaks.
Check or replace it.
Untightened oil cylinder.
Replace the seal.
The single way valve leaks.
Clean or replace it.
The overflow valve leaks.
Clean or replace it.
Unloading valve leaks.
Check and adjust the tightness.
Rising too slow
Jammed oil filter
Clean or replace it.
Too low oil level.
Add oil.
The overflow valve is not adjusted to the right position.
Make adjustment.
Too hot hydraulic oil ( above 45°
)
.
Change the oil.
Abraded seal of the cylinder
Replace the seal.
Lowering too slow
Jammed throttle valve
Clean or replace.
Dirty hydraulic oil
Change the oil.
Jammed anti-surge valve
Clean it.
Jammed oil hose
Replace it.
Содержание EE-65A.40T
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