Wallmek HSC2018 Mode D'emploi page 24

WALLMEK
www.wallmek.se • info@wallmek.se • Tel. +46(0)303 58580 • Bultgatan 18, 442 20 Kungälv, Sweden
In the event of functional disruption, check the following:
Problem
Cylinder:
The cylinder plunger
does not move
Cylinder plunger
moves partially
Cylinder plunger
moves jerkily
Cylinder plunger
moves, but with
little power
Cylinder does not
return
Dismantling:
Stand slides on the
floor
Disc under the
spring rusted away
The car lifts
The spring slides
out of the grip when
loaded
Spring fails
The claws are fitted
in the inner holes
24/88
i Kungälv AB - Special tools for auto repairs
Possible cause
The pump's return valve is open
Leaking couplings
Low oil level in the pump
Pump defective
Broken hose
Pump capacity too low
Plunger jammed
Leaking seals
The pump's venting function is
blocked
Wrong oil
Low oil level in the pump
Plunger jammed
Coupling/nipple defective
Air in the hydraulic system
Plunger jammed
Cylinder seals leak
Pump defective
Leaking couplings
The pump's return valve is closed
Ruptured hose
Slippery floor
Too much force being used
Wrong size claw
Poor alignment
Defective spring
Action
Close the valve
Repair the leakage
Fill with hydraulic oil
Service the pump
Replace the hose
Use the intended pump. Check the
pressure. Service
Check external influence on the
hydraulic cylinder. Service
Replace the seals. Service
Open the vent screw/clean
Drain, clean and fill with new
hydraulic oil
Fill with hydraulic oil
Cylinder service
Replace the coupling/nipple
Vent the system
Cylinder service
Replace the seals. Service
Service the pump
Repair the leakage
Open the return valve
Replace the hose
Clean the floor
Grip with the claws directly on the
spring
Reduce the force. Do not compress
the spring more than necessary.
Change claw
Adjust the position of the claws
Always stand behind the spring
compressor when working
Move the claws to the outer holes