21
Fault Diagnosis
SYMPTOM
POSSIBLE CAUSE
REMEDY
PAGE REF.
Placing tool Piston
1
will not return
Return flow restricted or blocked
Check Quick Couplers
10
and
11
for full engagement and/or fault
8
Hydraulic Hoses not connected
Check for correct connections at
pump and placing tool
8
Pump valve malfunction
Refer to pump instruction manual
Placing tool does not
eject the collar from
the anvil
Pump Return Timer setting
incorrect – set too low
Adjust Return Timer to
recommended setting – refer to
pump instruction manual
Pump return pressure relief valve
set too low
Adjust return pressure relief valve
to correct setting – refer to pump
instruction manual
Low or erratic hydraulic pressure
supply
Refer to pump instruction manual
Worn or damaged hydraulic seals
in placing tool
Inspect placing tool – replace
worn or damaged seals
11 - 14
Worn or damaged hydraulic
sealing surfaces in placing tool
Inspect placing tool – replace
worn or damaged components
11 - 14
Pump internal/external oil leak
Refer to pump instruction manual
Pull grooves on
fastener pintail
stripped during
installation
Operator not pushing nose
completely onto fastener pintail
before operating tool
Instruct operator in correct
installation method
9
Incorrect fastener length / grip
length
Worn or damaged jaw segments
Use correct fastener
Check and replace jaw set – refer
to nose equipment datasheet
9
Debris in jaw segments and/or
pintail grooves
Clean jaw segments – refer to
nose equipment datasheet
Excessive sheet gap
Close gap between sheets
9
Avbolt
®
or Infalok
®
collar not fully swaged
Improper tool operation
9
Worn Anvil bore
Check and replace Anvil – refer to
nose equipment datasheet
Pintail fails to release
from nose equipment
Incorrect assembly of nose
equipment
Refer to nose equipment
datasheet
Placing tool and
Hydraulic oil runs hot
Restriction in hydraulic line
Check hydraulic Quick Couplers
10
and
11
and replace if
necessary
14
High ambient temperature
Hydraulic Quick
Couplers
10
and
11
leak oil
Worn O-Ring in body of Quick
Coupler Male
10
Replace O-Ring and Back-up
Ring in Quick Coupler
10
14
