EAE EE-612E, Инструкция по установке, эксплуатации и ремонту

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Installation, Operation and Parts Manual
EE-612E
24
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
Abnormal noise
Abrasion exists on inside surface of the post. 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.
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.
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 filter is jammed. Clean or replace it.
Oil level is too low. Add oil.
The overflow valve is not adjusted to the right
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 post 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.