32
5.1 Troubleshooting
Problem
Cause
Remedy
Page
Pump does not run
No air connected
Connect compressed air
20
Control lines not con-
nected or incorrectly
connected
Connect control lines cor-
rectly and make sure they
are properly seated
16
Insufficient air pressure
Check air supply
20
Hydraulic hose not
connected
Connect hydraulic hose
as described in the
instruction manual
16
Air pressure not correctly
set
Set air pressure to
prescribed value
20
Defective drive plunger
Repair through
manufacturer
–
Hydraulic pump
will not shut off
Control hoses incorrectly
connected or mixed up
Connect control hoses as
described in the instruc-
tion manual
16
Defective control valves
Repair through
manufacturer
–
Rivet not affixed
correctly
Rivet mandrel or rivet die
defective
Replace rivet mandrel
or rivet die
18/19
Rivet mandrel or rivet die
not functional due to
adhesive residue
Clean or replace rivet
mandrel and/or rivet die
25
Insufficient press pressure
Too little air pressure or
air pressure incorrectly set
20
Press cylinder does not
travel far enough
Too little oil in the pump.
Check oil level and top
up if necessary.
29
Oil leak from the pump
Repair through
manufacturer
27
Air leak from the pump
and/or control valve
Repair through
manufacturer
–
Wrong rivet length
Follow BMW repair
procedure
–
Summary of Contents for PNP 90 SNW-RIV
Page 31: ...31...