42
M1.2.HB240-HB240M.NLFREN 21112017
EN
5 Trouble shooting
WARNING!
If the trouble could not be xed by yourself, please do not hesitate to contact your dealer 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 Cause Solution
Abnormal noise
Abrasion exists on insider surface of the posts. Grease the inside of the post.
Trash in the post. Clear the trash.
Motor does not run
and will not rise
The wire connection is loose. Check and make a good connection.
The motor is blown. 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.
Overow 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 adjust it.
Carriages 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.
Solenoid valve fails to work well. Clean or replace it.
Steel cable is loose or not with same tightness. Check and adjust the tightness.
Raising too slow
The oil lter is jammed. Clean or replace it.
Oil level is too low. Add oil.
The overow 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.
Inside surface of the posts is not well greased. Add grease.
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.
The steel cable is
abraded
No grease when installation or out of lifetime. Replace it.
copyrighted document - all rights reserved by FBC
To Next Page
Loading...