20
defective
•
Hydraulic pump does not work
3
Raised load is
lowering
automatically.
•
Leakage in the hydraulic system
•
Lowering valve does not close any
more or the valve unit is not sealed
because of dirt
•
Incorrect valve set-up.
•
Pressure relief valve (pump) has
leakage (pump turns slowly
backwards.)
•
Replace the seal
•
Clean or replace the valve
•
Adjust the lowering valve
4
Oil loss on
hydraulic
cylinder
•
Sealing worn out or defect
•
Replace the sealing
5
The raised
load is
lowered too
slowly
•
Temperature too low – the hydraulic
system oil is too thick
•
Operate the truck in warmer locations.
6
Fork does
not raise till
upper
position
•
Insufficient oil in the tank
•
Battery discharged
•
Refill with oil (while the forks are
lowered)
•
Charge the battery
7
Battery
capacity to
low
•
Battery is not charged enough
•
Battery is defective
•
Recharge
•
Replace the battery
8
Battery
cannot be
charged
•
Fuse FU2 is defective
•
Battery resp. charger defective
•
Replace FU2
•
Replace battery resp. charger
9
Fast battery
discharge
•
Silted battery
•
Sulfating or other failure in the
battery.
•
Accidental earth contact in the
electric system or battery.
•
Replace battery
•
Repair or replace battery