the original manufacturer. All the rotary joints should renew the motor oil every three months. Especially
pay more attention to the place between wheel and axis. Make sure that there is not any yarn or other rags
in order to keep all wheels running with handiness. After the maintenance and upkeep, plase record in the
list below:
11. Possible faults and trouble shooting
No.
Faults
Causes
Trouble shooting
1
The forks can’t be lifted to the maximum
lift height
Hydraulic oil is not
enough.
Add appropriate filtrated
working oil.
2
The forks can’t return to the lowest
position.
1. Too much hydraulic oil.
2. The rotary parts are
deformed or blocked.
3. The trunk piston and
guides bushing are
blocked.
1.Take out appropriate
working oil
2. Replace the parts.
3
The forks can’t drop after lifted.
1. There is something
abnormal in the
unloading device.
2. The parts are
deformed and damaged.
1. Readjust the unloading
device, see item 4.2.
2. Replace the deformed and
damaged parts.
4
Hydraulic oil leakage
1. The oil seal is
unavailable.
2. The surface of some
parts is damaged or
worn.
3. The coupled places
become loosened.
1. Replace the oil seal.
2. Replace the damaged
parts.
3. Fasten the loosened place
again.
5
The fork can’t be lifted.
1. The viscosity of the
working oil is too high, or
there is no working oil.
2. There is impurity in
the oil.
3. There is something
abnormal in the
unloading device.
1. Replace the working oil.
2.Clear up the impurity and
add new working oil
3. Readjust the unloading
device, see item 4.2.
6
When the handle is rocked, the forks drop
immediately after they are lifted; the
handle returns or the forks drop markedly
after they are lifted.
The valve of oil pump is
blocked by abnormal
matter.
Open the valve and take out
the parts. Then re-install the
parts after they are cleaned.
12
.
Disposal of waste oil
The waste hydraulic oil shall be disposed in terms of relative laws. And it is forbidden to pouring out
anywhere.
13
.
Warning level
13.1 Please read the operation instruction carefully before you operate the hand pallet truck and learn
about all the features of this type of hand pallet truck.
13.2
Don’t
rock the hand grip at a high speed and in a high frequency!
13.3
Don’t load the cargo
at a high speed
!
13.4 Do not overload the forks. Overloading could keep the hand pallet truck from working normally.