Trouble Shooting The Scale; Maintenance - fetra 2122 Mode D'emploi

5. Trouble shooting the scale

NO TROUBLE
1 HELP1 in the
display
2 The scale is not
accurate
3 Indicator can't be
turned on.

6. Maintenance

The pallet truck is largely maintenance free.
6.1. Oil
Please check the oil level every six months. The oil can be hydraulic oil: ISO VG32, its visco-
sity should be 30cSt at 400 C, total volume is about 0.4lt.
6.2. To remove air from the pump
Air may come into the hydraulic oil during transportation or if the pump has been turned
upside down. It can cause the forks not to elevate while pumping in the raise position.
The air can been removed in the following way: put the control handle (117) to the lower
position, then move the draw-bar up and down several times.
6.3. Daily check and maintenance
Daily check of the pallet truck with scale can limit wear as much as possible. Special at-
tention should be paid to the wheels, the axles, as thread, rags, etc. may block the wheels.
The forks should be unloaded and lowered in the lowest position when the job is over.
CAUSE
The load is too big
for the scale
The fork shoe is
touching the bottom
part of the scale.
Cable in junction box
is loose.
1 of the load cells is
broken.
Battery voltage is too
low..
Battery life is com-
plete.
37
Transport equipment
SHOOTING
Remove the load immediately.
Remove anything that restricts the
movement of the scale.
Check the connection in junction
box confirming safe.
Stand on the 4 corners of the scale.
The load cell in the corner with a
different weight should be replaced.
Change the batteries
Change the batteries