User Manual

4.TROUBLE SHOOTING GUIDE
Items Symptom Possible cause Aliments
1
Fork can not be
pumped up
1． Low oil level in oil
tank.
2． Exist air in the
hydraulic system.
3. Adjusting nut is not
adjusted properly.
1 .Add proper hydraulic
oil.
2. Fast operating the
handle for several
times. Bleed the
system.
3. Adjust adjusting nut.
(see picture 2)
2
Fork can’t be
released down
1． Fork blocked.
2． Adjusting nut not
adjusted properly.
1. Check and remove the
block.
2. Adjust adjusting nut
properly.
(see picture 2)
3
Fork can’t be
pumped up to
rated highest
position.
Oil is not enough.
Add hydraulic oil.
(see picture 3)
4
Fork lifting
speed has no
difference
between
position I and
position II of
release lever.
Adjusting nut is not
adjusted properly.
Adjust adjusting nut.
(see picture 2)
7