EP Equipment IMOW ICE251, Руководство по эксплуатации

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54
6.5 Lifting System
Condition Probable cause Corrective action
Fork arm
carrier or mast
tilt by itself.
1.Tilt cylinder and ring
abraded excessively
Replace piston ring tilt cylinder.
2. The hydraulic control valve
spring is inoperative.
Replace it.
The fork arms
carrier moves
up and down
sluggishly.
1. Caused by piston jamming
or bent piston rod.
Replace the faulty parts.
2. Too much dirt is
accumulated in the cylinder.
Strip it down and clean.
Forks are lifted
or lowered
unsmooth.
1. Carriage bracket assembly
out of adjustment.
Adjust clearance with thrust
metal and carriage side roller.
2. Insufficient clearance
between inner and outer
masts or rollers and mast.
Adjust clearance with rollers.
3. Biting foreign materials
between moving parts.
Remove foreign materials.
4. Insufficient lubrication.
Apply grease on contact
surfaces of sliding parts.
（
butter
）
5. Bent carriage bracket
assembly.
Repair or replace.
Forks are lifted
unevenly
1. Lift chains out of
adjustable.
Adjust lift chains.
Condition Probable cause Corrective action
Lift roller does
not rotate
1. Grease stiffened or dirt
accumulated on lift roller and
mast sliding surfaces.
Clean and lubricate lift rollers.