Haklift Oy
Asessorinkatu 3-7
20780 Kaarina, Finland
Tel. +358 2 511 5511
www.haklift.com
Lifting Solutions Group
Axel Johnson International
11. Possible faults and trouble shooting
No.
Faults
Causes
Trouble shooting
1
The forks can’t be lifted to the
maximum lift height.
There is not enough hydraulic
oil.
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 they
are 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 forks
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 relevant local laws and regulations. It is forbidden to pour
out anywhere.
