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TWIN BUSCH GMBH
Technical changes, errors and printing mistakes are reserved. V01_NK_418_EN
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. By the way, your troubles will be judged and solved much faster if you could provide us
more details or pictures of the trouble.
TROUBLES
CAUSE
SOLUTION
Motor does not run and will not
raise
The wire connection is loose.
Check and make a good
connection.
The motor is burnt
Replace it.
The limit switch is damaged or the wire connection is loose.
Connect it or adjust or replace the
limit switch.
Motor runs but will not raise
The motor run reversely.
Check the wire connection.
Overflow valve is loose or jammed.
Clean or adjust it.
The gear pump is damaged.
Replace it.
Oil level is too low.
Add oil.
The oil hose became loose or dropped off.
Tighten it.
The cushion valve became loose or jammed.
Clean or adjusts it.
Platforms go down slowly after
being raised
The oil hose leaks.
Check or replace it.
The oil cylinder is not tightened.
Replace the seal.
The single valve leaks.
Clean or replace it.
The overflow valve leaks.
Clean or replace it.
Electrical unloading valve leaks.
Clean or replace it.
Raising too slow
The oil filter is jammed.
Clean or replace it.
Oil level is too low.
Add oil.
The overflow valve is not adjusted to the right position.
Adjust it.
The hydraulic oil is too hot (above 45°).
Change the oil.
The seal of the cylinder is abraded.
Replace the seal.
Lowering too slow
The throttle valve jammed.
Clean or replace.
The hydraulic oil is dirty.
Change the oil.
The anti-surge valve jammed.
Clean it.
The oil hose jammed.
Replace it.
Summary of Contents for TW SA 42 U V2
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