Mobile ECO I-55, Operating Instructions Manual

Page: 5 / 15

4
6. TROUBLES SHOOTING
No Trouble Clause Fixing Methods
1 The forks can
not be up the
max. height.
- The hydraulic oil is not enough. -Pour in the oil.
2
The forks can
not be lifted
up. -Without hydraulic oil.
-The oil has impurities.
-The nut (104) is too high, keep the
pumping valve open.
-Air come into the hydraulic oil.
-Fill in the oil.
-Change the oil.
-Adjust the nut(104) or screw (318)
(see item 3.4)
-Banish the air.(see item 4.2)
3
The forks can
not
be
descended.
-The piston rod(328) or pump (322) 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 (104) or screw (318)
is not in correct position.
-Replace the piston rod (328) or
pump (322).
-Keeping the fork in the lowest
position if not using, and pay more
attention to lubricate the rod.
-Adjust the nut (104) or screw (318)
(see item 3.3)
4 Leaks -Sealing parts worn or damaged.
-Some part cracked or worn into small. -Replace with the new one.
-Replace with the new one.
5
The
fork
descends
without
the
release valve
worked.
-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 (104) or screw (318)
is not in the correct position.
-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 (104) or screw
(318). (See item 3.2)
NOTE: DO NOT ATTEMP TO REPAIR THE PALLET TRUCK UNLESS YOU ARE TRAINED AND
AUTHORIZED TO DO SO.