Troubleshooting - twin busch TW 250 Installation, Operation, And Parts Manual

ATTENTION: If the problem can 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, troubles could be judged and solved much faster if more details or pictures could be provided.
TROUBLES
Abrasion exists on insider surface of the posts.
Abnormal noise
Trash in the post.
The wire connection is loose.
The motor is blown.
Motor does not
run and will not rise
The limit switch is damaged or the wire connection is loose.
The motor run reversely.
Overflow valve is loose or jammed.
The gear pump is damaged.
Motor runs but
will not raise
Oil level is too low.
The oil hose became loose or dropped off.
The cushion valve became loose or jammed.
The oil hose leaks.
The oil cylinder is not tightened.
Carriages go down
slowly after being The single valve leaks.
raised
Solenoid valve fails to work well.
Steel cable is loose or not with same tightness
The oil filter is jammed.
Oil level is too low.
The overflow valve is not adjusted to the right position.
Raising too slow
The hydraulic oil is too hot ( above 45°）.
The seal of the cylinder is abraded.
Inside surface of the posts is not well greased.
The throttle valve jammed.
The hydraulic oil is dirty.
Lowering too slow
The anti-surge valve jammed.
The oil hose jammed.
The steel cable is
No grease when installation or out of lifetime
abraded
TROUBLE SHOOTING
CAUSE
10
Twin Busch GmbH
SOLUTION
Grease the inside of the post.
Clear the trash
Check and make a good connection.
Replace it.
Connect it or adjust or replace the
limit switch.
Check the wire connection.
Clean or adjust it.
Replace it.
Add oil.
Tighten it.
Clean or adjusts it.
Check or replace it.
Replace the seal.
Clean or replace it.
Clean or replace it.
Check and adjust the tightness.
Clean or replace it.
Add oil.
Adjust it.
Change the oil.
Replace the seal.
Add grease.
Clean or replace.
Change the oil.
Clean it.
Replace it.
Replace it.