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34
6.3 Troubleshooting
Problem
Cause
Remedy
Page
Pump does not
run
No air connected
Connect compressed air
19
Control lines not connected or
incorrectly connected
Connect control lines correctly and make sure
they are properly seated
18
Insufficient air pressure
Check air supply
19
Hydraulic hose not connected
Connect hydraulic hose as described in the
instruction manual
18
Air pressure not correctly set
Set air pressure to prescribed value
19
Defective drive piston
Repair through manufacturer
–
Hydraulic pump
will not shut off
Control hoses incorrectly connected
or mixed up
Connect control hoses as described in the
instruction manual
18
Defective control valves
Repair through manufacturer
–
Rivet not affixed
correctly
Rivet mandrel or rivet die defective
Replace rivet mandrel or rivet die
23
Rivet mandrel or rivet die not
functional due to adhesive residue
Clean or replace rivet mandrel and/or rivet die 28
Insufficient press pressure
Too little air pressure or air pressure incorrectly
set
19
Press cylinder does not travel far
enough
Too little oil in the pump. Check oil level and fill
if necessary.
30
Oil leak from the pump
Repair through manufacturer
–
Air leak from the pump and/or con-
trol valve
Repair through manufacturer
–
Wrong rivet length
Observe repair guidelines
–
The rivet plunger
travels too slowly
or not at all
Too little oil in the pump
Check oil level and fill if necessary
30
Hydraulic seal in the pump is worn
Repair through manufacturer
–
Defective valves in the pump
Repair through manufacturer
–
Air leak
Defective hose
Replace hose
–
Defective couplings
Replace coupling
–
Defective seals
Repair through manufacturer
–
Oil leak
Defective hose
Replace hose
–
Defective coupling
Replace coupling
–
Pump loses oil
Repair through manufacturer
–