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Hydraulic Dent Removal Tool
English
Inspection and maintenance instructions
Safety information
Take suitable steps to take the tension off the dent removal tool before commencing any inspection or
maintenance work.
Inspection intervals
Daily or before each use
Every 3 months
Every 12 months
Every 24 months
Every 60 months or as required
1)
e.g. by Pfaff-silberblau Customer Service.
Service life is limited. Replace worn parts in good time.
Hydraulic fluid / Lubricant recommendation
Hydraulic fluid:
HL-DIN 51524 T2 ISO VG 32
Grease:
multipurpose grease acc. tot DIN 51825 T1 K2K
You must dispose of old hydraulic fluid in accordance with the statutory
regulations!
Malfunctions and their causes
Malfunction
The pump produces no pressure
The piston does not move
A tensioned system sinks
automatically
Loss of oil from the hydraulic
cylinder
Disposal
When you take the dent removal tool out of service, arrange for it to be disposed
of in accordance with the statutory recycling regulations!
design changes under reserve
Maintenance and inspection jobs
Cylinder, high-pressure hydraulic pipe, couplings
Are there any oil leaks?
Check the oil level
Check that the rating plates are legible
Test the overload protection device (overpressure valve)
Arrange for testing by an expert 1)
Change the oil
To check the oil level you must stand
the pump upright.
Remove the oil filler plug • and read
off the oil level.
If necessary, fill in more oil up to the
mark.
Renew the high-pressure hydraulic pipe
Cause
The vent plug is open
The load is too great, the pressure
limiting valve is active
The drain plug does not close or the
valve seat is not tight due to dirt deposits
There is a leak in the hydraulics system
The drain plug does not close or the
valve seat is not tight due to oil deposits
The sealing elements are worn
F 6.8.29
Remedy
Close the vent plug (see
"Operating instructions")
Reduce the load
Clean or replace
seal
Clean or replace
Replace the sealing elements
page 9
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