English
Hand pallet truck
F8.1.16/006
Subject to change without notice
page 9
Inspection and maintenance instructions
Safety warning
Before inspection and maintenance work is carried out, appropriate measures should
be taken to remove all loads from the pallet truck.
Maintenance and inspection work
Inspection intervals
Check operating elements for faultless operation.
Check condition of the travelling rollers and roller axles
Daily or each time
before use
Grease joints and bearings
Check functioning of wheels and rollers
monthly
Check oil level in the hydraulic system
Check hydraulic system for leakage (Is the top lifting height reached effortlessly?)
Check the set-up of the control lever and the drain valve
Check all screw and bolt connections for tightness
Grease joints and bearings
Check functioning and turning capability of wheels and rollers
Every 3 months
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 *
)
Annually
*)
e.g. by Pfaff-silberblau after-sales service
The service life of your pallet truck is limited. Worn parts must be renewed in
good time.
Malfunctions and their causes
Hydraulic system
Malfunction
Cause
Elimination
Lowering lever on the handle is in the driv-
ing position
Put the lowering lever in the lifting position
The pallet truck does
not lift – the pump does
not work
Insufficient oil in the tank
Refill with oil (while the fork is lowered)
Load too heavy – the pressure control
valve is active
Reduce load
The pallet truck does
not lift the load, al-
though the pump is
working perfectly
Lowering valve does not close any more
or the valve face is not sealed because of
dirt
Clean or replace
Pressure control valve displaced or valve
face soiled
Adjust or clean valve
Loaded or unloaded,
the pallet truck only lifts
slowly or not at all when
the pump is actuated
Hydraulic system pump is defective
Repair or replace hydraulic system pump!
Leakage in the hydraulic system
Seal!
Lowering valve does not close any more
or the valve unit is not sealed because of
dirt
Clean or replace
Incorrect valve set-up.
Adjust lowering valve
Raised load is lowered
of its own accord. Oil
loss on hydraulic cylin-
der.
Sealing elements are worn
Replace sealing elements
The raised load is low-
ered too slowly
Temperature too low – the hydraulic
system oil is too thick
Find a warmer location
Disposal:
After placing out of service, the pallet truck parts must be disposed of
or recycled in accordance with legal provisions.
