28
6
Difficult steering of the
drive wheel, noise and
the motor is overloaded.
①The gear or bearing has got stuck
because of foreign matters.
Clean or replace the
bearing
②There is a gap in the bearing installed
Adjust the clearance
③The front wheel bearing is damaged.
Replace the bearing
7
The forks cannot be
lifted.
①Overload
Reduce the load
②The pressure of the overflow valve is
too low
Adjust the pressure
higher
③Internal abnormal leakage in the
lifting oil cylinder
Replace the seals
④Insufficient hydraulic oil
Add appropriate
quantity of filtered
hydraulic oil
⑤ Insufficient voltage of the storage
battery
Charge the battery
⑥ The control handle is not horizontal or
vertical, the oil pump motor has not
been turned on.
Improper operation
⑦ Damaged oil pump motor
Repair or replace
⑧ Damaged oil pump
Repair or replace
⑨ Damaged lifting button
Repair or replace
⑩ The electric lock is not unlocked or is
damaged.
Repair or replace
○
,11Seriously insufficient voltage in the
cell.
Recharge
8
The forks cannot be
lowered after lifted.
① The internal mast is overloaded and
deformed
Repair or replace
② The external mast is overloaded and
deformed
Repair or replace
③ Dead mast roller
Repair or adjust
④ Mast guiding rode is curved
Repair or straighten
⑤ The oil return hole is blocked
Clean
⑥ The electromagnetic valve is out of
control
Shoot the trouble
9
Reduced end voltage of
the storage battery (after
charged)
① Damage of individual battery Repair or replace
② Low level of the electrolytic solution
Add electrolytic
solution
③ Foreign matters in the electrolytic
solution
Replace electrolytic
solution
10
The truck shakes while
traveling.
①Driving wheel locating nuts loosen or
come off.
Screw down the
locating nuts.
②The balance wheel, driving wheel and
the two front wheels are not in the same
plane.
Adjust bolts on the
balance wheel to make
the four wheels in the
same plane.
To Next Page
