Check hydraulic system for leakage (Is the top lifting height
reached effortlessly?)
Check the set-up of the drain valve
Check all screw and bolt connections for tightness
Check all parts of the pallet truck for wear and replace defective
parts where necessary
Change oil in the hydraulic system
Check readability of type plate.
Authorise inspection by competent technical expert
The service life of yourhigh-lift pallet truck is limited. Worn parts must be
renewed in adequate time.
IV. Malfunctions and their causes
Failure
Raised load is
lowered of its own.
Oil loss on hydraulic
cylinder
The raised load is
lowered too slowly
Fork does not raise
till upper position
V.
HOW TO CHARGE STORAGE BATTERY
Charge storage battery when its voltage is less than 10 Volt.
We use the maintenance-free battery, normally, it needn't add water till the life
of the battery ended.
The charging environment should be ventilated and far away from the fire.
Subject to change without notice
Cause
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) is leaky
(pump turns slowly backwards.)
Sealing elements are worn
Temperature too low – the hydraulic
system oil is too thick
Insufficient oil in the tank
every 3 months
annually
Elimination
Seal!
Clean or replace
Adjust lowering
valve
Clean or replace the
valve
Replace sealing
elements
Find a warmer
location
Refill with oil (while
the fork is lowered)
3