Malfunctions And Their Causes - PFAFF silberblau SILVERLINE HWK KLS 0,5 Mode D'emploi

Hydraulic workshop crane
English
Oils and lubricants recommended for the hydraulic system
For the trouble-free use of the crane it is recommended that you use one of the hydraulic system oils and lubricants
listed in the table below. These special-purpose oils are the best available to meet technical requirements in terms
of viscosity (worked penetration ) and pour point.
The lubricants are suitable for ambient temperatures of - 10° to + 40° C.
Brand
Recommended hydraulic fluid for hydraulic system: Hydraulic oil HLP - DIN 51524 T2 - ISO VG 32
Oil quantity
DEA
Dispose of used lubricants in accordance with statutory regulations.

Malfunctions and their causes

Hydraulic system
Malfunction
The crane does not lift the
load (pump is in perfect
working order).
The crane lifts only slowly or
not at all, with or without load,
with the pump working.
A lifted load lowers again of its
own accord.
The lifted load is lowered too
slowly.
The crane arm is lowered too
fast.
The crane arm lifts when
pumped but then quickly
lowers again.
The pump lever does not
move.
The pump height is not
reached.
The crane arm does not stay
in the desired working position
and lowers again.
* By authorized workshop only.
Disposal: After placing permanently out of service, the crane parts must be
disposed of or recycled in accordance with statutory requirements!
technische Änderungen vorbehalten
Optimol Hydo Oil 5045
Causes
The load is too heavy, the pressure control
valve cuts in.
The lowering valve does not close any
more or there is a leak in the valve face
because of soiling.
The pressure control valve is displaced or
the valve face soiled.
The hydraulic pump is defective.
Leak in the hydraulic system.
The lowering valve does not close any
more or there is a leak in the valve face
because of contaminated oil.
Temperature too low – hydraulic oil too
thick.
The lowering brake valve is displaced or
defective.
Insufficient oil in the oil tank.
The non-return valve is either soiled or
defective.
The seals on the pump unit are damaged.
Insufficient oil in the oil tank.
The cylinder seals are damaged.
The lowering valve is soiled or defective.
design changes under reserve
F 09.02.036/000
l
Esso Nuto H 32
BP Energol HLP 32
Shell Tellus Oil 32
Aral Vitam GF 32
Mobil D.T.E. 25
Astron HLP 32
Reduce the load!
Clean or replace! *
Adjust or clean the valve! *
Repair or replace the hydraulic pump!
*
Clean or replace!
Use in a warmer room/area!
Take the cylinder out of the pump
unit, remove the valve and check.
Replace if defective.
Top up with oil.
Clean or replace the valve.*
Remove the pump unit and replace
the seals.*
Top up with oil.
Replace the seals.*
Clean or replace the valve.*
changements techniques sous réserve
Elimination
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