Manutan A107124 Mode D'emploi page 46

No. Trouble
3. The forks can not be
descended.
4. Leaks
5. The fork descends
without the release valve
worked.
*NOTE: DO NOT ATTEMPT TO REPAIR THE PALLET TRUCK UNLESS YOU ARE TRAINED
AND AUTHORIZED TO DO SO.
Cause
- The piston rod (D147)
or pump body is
deformed resulting
from partial loading
slanting to one side or
over-loading.
- The fork was kept in the
high position for long
time with piston rod
bared to arise in rusting
and jamming of the
rod.
- The adjusting nut
(D615) or the screw
(D133) is not in the
correct position.
- Sealing parts worn or
damaged.
- Some part cracked or
worn into small.
- The impurities in the oil
cause the release valve
to be unable to close
tight.
- Some parts of hydraulic
system is cracked or
bored.
- Air come into the oil.
- Sealing parts worn or
damaged.
- The adjusting nut
(D615) or the screw
(D133) is not in the
correct position.
6
Action
- Replace the piston rod
(D147) or pump body.
- Keeping the fork in the
lowest position if not
using, and pay more
attention to lubricate
the rod.
- Adjust the nut (D615)
or the screw (D133).
(see item 3.3)
- Replace with the new
one.
- Replace with the new
one.
- Replace with new oil.
- Inspect and replace the
waste parts.
- Banish the air. (See item
4.2)
- Replace with the new
one.
- Adjusting the nut
(D615) or the screw
(D133). (See item 3.2)