Product Manual

T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
If the truck fails any of these tests, do not operate this truck until the problem is resolved
4.1 Read and understand Operator’s Manual before using the truck.
4.2 Make sure that the battery cable connector is fully engaged into the battery compartment of the truck.
4.3 Make sure there has not any leakage of oil from previous use.
4.4 Turn the key switch on and check the battery meter to ensure if there is full of battery supply.
4.5 Check that the raising and lowering of the forks are working properly. Give special attention to horn, speed
controller and steering system.
4.6 Check the service brake operation by raising the handle to the vertical position and lowering it to the lowered
position to see that it fully stops the truck in either position.
4.7 Observe the condition of the truck for any other malfunction or defect.
Problem Possible cause
NO LIFT
(motor does not run)
 Faulty wiring from fuse to lift switch in handle.
 Faulty lift switch
 Faulty wiring from lift switch to pump contactor.
 Faculty lift contactor
 Faulty wiring from battery positive terminal to
pump contactor, or from pump contactor to pump
motor
 Burned out brushes in pump motor
 Defective control circuit fuse
NO LIFT
(Motor runs)
 Low hydraulic pressure caused by:
- Pressure relief valve needs adjustment
- Pump check valve stuck open
- Faulty solenoid valve
 Check oil level if forks do not rise fully
 Check hydraulic pump operation
 Defective control circuit fuse
FORKS WILL NOT LOWER
 Faulty lowering switch on steering handle
 Faulty wiring from lowering switch to solenoid
valve
 Faulty solenoid coil on soft shift control valve
 Faulty soft shift control valve
 Faulty load lowering valve
 Faulty velocity fuse
 Defective control circuit fuse
NO ELECTRICAL POWER
 No electrical power caused by:
- Key switch in “OFF” position