8
2.1.3 Lifting system common faults and troubleshooting methods
Failure
cause
maintenance
Lifting, falling
is not smooth,
loud noise
1. The gap between the upper side
roller of the outer door frame and the
channel steel of the inner door frame
is too large > 1mm
Reduce adjusting gasket
2. The gap between the lower side
roller of the outer frame and the
channel steel of the inner frame is too
large > 1mm
Add adjusting gasket
3. The gap between the side roller of
the fork frame and the channel steel of
the inner door frame is too large >
1mm
Reduce adjusting gasket
4. Fastening bolts of side roller shaft
are loose
fastening
5. There are debris in the channel
steel of the sliding frame and the inner
door frame
Yeah, oil on the tracks regularly
The cargo
fork frame is
skewed
1, the left and right tire pressure is
inconsistent
Air replenishment and air pressure
are consistent
2. The tightness of the left and right
chains is inconsistent
The tightness adjustment is consistent
3. The oil channel in the speed limiting
valve is blocked
Cleaning and replacement
4. The oil inlet of the lifting cylinder is
partially blocked
Maintenance and cleaning
The left and
right
elevations are
not
synchronized
1, the left and right lifting cylinder
stroke is inconsistent
Use cylinder head 180 degree
adjustment
2. The height of the left and right
cylinders is inconsistent
Adjusting bolts on the oil cylinder
3, the left and right cylinder stroke is
too inconsistent to exceed the cylinder
head adjustment range
Add adjusting gasket on lifting
cylinder piston rod
Содержание EK18A
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