8
only move forward
(or backward)
②
There is a trouble in the circuit board.
Repair or replace
3
The stacker can not
stop while traveling
Broken contact. The moving contact cannot be reset.
Cut off the power supply at
once and replace the head of
contactor.
4
The brake does not
work
①
The erection bolt of the inching switch looses or is
damaged.
Adjust or tighten the bolt or
replace the inching switch.
②
The connecting wire of the side-magnet brake is loose or
damaged
Tighten the bolt or repair the
side-magnet brake.
③
The braking plates of the side-magnet brake are worn.
Replace the braking plates.
5
The steering is
blocked.
①
The bearing of the steering device is damaged.
Replace the bearing
②
The bearing of the steering device lacks lubricant or there
is too much dust
Clean the bearing
6
Difficult steering of
the drive wheel,
noise and the
motor is
overloaded.
①
The gear or bearing has is blocked because of foreign
matters.
Clean or replace the bearing
②
There is a gap in the bearing installed or the fixing ring
has come off.
The fixing ring has come off.
Reinstall the ring and adjust
the gap.
③
The front wheel bearing is damaged.
Replace the bearing
7
The forks cannot be
lifted
①
Overload
Reduce the load
②
The pressure of the overflow valve is too low
Adjust the pressure higher
③
Internal abnormal leakage in the lifting oil cylinder
Replace the seals
④
Insufficient 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 motor
of oil pump 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 of replace
⑩
The electric lock is not unlocked or is damaged.
Repair or replace
○
11
Seriously insufficient voltage in the cell.
Recharge
8
The forks cannot be
lowered
①
The internal doorframe is overloaded and deformed
Repair or replace
②
The external doorframe is overloaded and deformed
Repair or replace
③
Frame roller is blocked.
Repair or adjust
④
Frame guiding rode is curved
Repair or straighten
⑤
The oil return hole is blocked
Clean
⑥
The electromagnetic valve of hydraulic station is out of
control
Shoot the trouble
9
Voltage at the
storage battery
reduces. (after
charging)
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
8. Use, maintenance and charge of the storage batteries
