Vestil PM5-2748-Y - Manual (Page 4)

at the halfway point of the length of the forks.
5.10 Make sure that length of the forks matches the length of the pallet.
5.11 Lower the forks to lowest height when the truck is not being used.
5.12 In other specific conditions the operators should take extra care in operating the truck.
6. TROUBLES SHOOTING
No Trouble CAUSE ACTION
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 (D615) is too high or
the screw (D133) is too close,
keep the pumping valve open.
- Air come into the hydraulic
oil. - Fill in the oil.
- Change the oil.
- Adjust the nut (D615) or the screw
(D133) .(see item 3.4)
- Banish the air.(see item 4.2)
3
The forks can not be
descended. - 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. - 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)
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 (D615) or
the screw (D133) 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 (D615) or the
screw (D133). (See item 3.2)
*NOTE: DO NOT ATTEMPT TO REPAIR THE PALLET TRUCK UNLESS YOU ARE
TRAINED AND AUTHORIZED TO DO SO.
3