Pfaff HU 26-115 TMt Betriebsanleitung Seite 9

Hand pallet truck MOTION 26
English
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
Check operating elements for faultless operation.
Check condition of the travelling rollers and roller axles
Grease joints and bearings
Check functioning of wheels and rollers
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
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 *
*)
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.
Oil and lubricant recommendations
Hydraulic oil: HLP-DIN 51524 T2 ISO VG 22
Lubricant: Multipurpose lubricating grease – DIN 51825 T1 - K2K
Waste oil must be disposed of in accordance with legal provisions!
Malfunctions and their causes
Hydraulic system
Malfunction
The pallet truck does not lift –
the pump does not work
The pallet truck does not lift
the load, although the pump is
working perfectly
Loaded or unloaded, the pallet
truck only lifts slowly or not at
all when the pump is actuated
Raised load is lowered of its
own accord. Oil loss on hy-
draulic cylinder.
The raised load is lowered too
slowly
Disposal:
After placing out of service, the pallet truck parts must be disposed of or recycled in
accordance with legal provisions.
Subject to change without notice
)
Cause
Lowering lever on the handle is in
the driving position
Insufficient oil in the tank
Load too heavy – the pressure
control valve is active
Lowering valve does not close any
more or the valve face is not
sealed because of dirt
Pressure control valve displaced
or valve face soiled
Hydraulic system pump is
defective
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.
Sealing elements are worn
Temperature too low – the
hydraulic system oil is too thick
F08.01.016/010
Inspection intervals
Daily or each time
Elimination
Put the lowering lever in the lifting position
Refill with oil (while the fork is lowered)
Reduce load
Clean or replace
Adjust or clean valve
Repair or replace hydraulic system pump!
Seal!
Clean or replace
Adjust lowering valve
Replace sealing elements
Find a warmer location
page 9
before use
monthly
Every 3 months
Annually