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If however they have been changed, you can
adjust according to following step:
1. If the forks elevate while pumping in the
DRIVE position, turn the adjusting nut on the
adjusting bolt or screw clockwise until pump-
ing action does not raise the forks and the
DRIVE position functions properly.
2. If the forks descend while pumping in the
DRIVE position, turn the nut or screw counter-
clockwise until the forks do not lower.
3. If the forks do not descent when the control
handle is in the LOWER position, turn the
nut or screw clockwise until raising the con-
trol handle lowers the forks. Then check the
DRIVE position according to item 1 and 2 to
be sure the nut and screw is in the proper
position.
4. 3.4 If the forks do not elevate while pumping
in the RAISE position, turn the nut or screw
counter-clockwise until the forks elevate
while pumping in the RAISE position. Then
check the LOWER and DRIVE position accord-
ing to item 1, 2 and item 3.
MAINTENANCE
The pallet truck is largely maintenance-free.
1. OIL: Please check the oil level every six
months. The oil can be hydraulic oil: ISO
VG32, its viscosity should be 30cSt at 400 C,
total volume is about 0.4lt.
2. TO BANISH THE AIR: The air may come into
the hydraulic oil because of transportation or
pump in upset position. It can cause that the
forks do not elevate while pumping in the
RAISE position. The air can been removed in
the following way: let the control handle on
the LOWER position, then move the draw-bar
up and down for several times.
3. DAILY CHECK AND MAINTENANCE: Daily
check of the pallet truck can limit wear as
much as possible. Special attention should be
paid to the wheels, the axles, as thread, rags,
etc. It may block the wheels. The forks should
be unloaded and lowered in the lowest posi-
tion when the job is over.
4. LUBRICATION: All bearings and shafts are
provided with long-life grease at the factory.
You only need provide with long-life grease
at monthly intervals or after each time the
truck is cleaned thoroughly to the lubrication
points.
TROUBLESHOOTING
E N G L I S H •
THE FORKS CAN NOT BE LIFTED UP THE
MAXIMUM HEIGHT.
Problem: The hydraulic oil is not enough.
Solution: Pour in the oil..
THE FORKS CAN NOT BE LIFTED UP.
Problem: Without hydraulic oil.
Solution: Fill in the oil.
Problem: The oil has impurities..
Solution: Change the oil.
Problem: The nut is too high, keep the pumping
valve open.
Solution: Adjust the nut or screw.
Problem: Air come into the hydraulic oil.
Solution: Banish the air.
THE FORKS CAN NOT BE LOWERED.
Problem: The piston rod or pump is deformed
resulting from partial loading slanting to one
side or over-loading.
Solution: Replace the piston rod or pump.
Problem: The fork was kept in the high position
for long time with piston rod bared to arise in
rusting and jamming of the rod.
Solution: Keeping the fork in the lowest
position if not using, and pay more attention to
lubricate the rod.
Problem: The adjusting nut or screw is not in
correct position.
Solution: Adjust the nut or screw.
LEAKS.
Problem: Sealing parts worn or damaged.
Solution: Replace with the new one.
Problem: Some part cracked or worn into small.
Solution: Replace with the new one.
THE FORKS LOWERED WITHOUT THE RELEASE
VALVE WORKING.
Problem: The impurities in the oil cause the
release valve to be unable to close tight.
Solution: Replace with new oil.
Problem: Some parts of hydraulic system is
cracked or bored.
Solution: Inspect and replace the waste parts.
Problem: Air come into the oil.
Solution: Banish the air.
Problem: Sealing parts worn or damaged.
Solution: Replace with the new one.
Problem: The adjusting nut or screw is not in the
correct position.
Solution: Adjusting the nut or screw.
U s er 's M an u al
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