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Fault Diagnosis
SYMPTOM
Placing Tool will not
operate
Trigger Switch 7 does
not function
Pump running but
placing tools does not
function
Placing tool operates
erratically
Pump builds full
pressure, but pintail
does not break
20
POSSIBLE CAUSE
Inoperative pump unit
Faulty Quick Couplers 10 and 11
Trigger Control Cable 14 not
connected correctly
Damaged Trigger Switch 7 or
Control Cable 14
Pump in local mode
Trigger Switch 7, Control Cable
14 or connector damaged
Hydraulic Hoses not connected
Low oil level
Placing tool external oil leak
Hose Assembly external oil leak
Pump internal/external oil leak
Low or erratic hydraulic pressure
supply
Worn or damaged hydraulic seals
in placing tool
Worn or damaged hydraulic
sealing surfaces in placing tool
Pump internal/external oil leak
Breakload greater than placing
tool capacity at full pressure
Flow to placing tool blocked
Pump pressure relief value set
too low
Pull grooves on fastener pintail
stripped
Improper tool operation
REMEDY
Check pump power supply and
refer to pump unit instruction
manual
Replace Quick Couplers
Check Control Cable is correctly
connected at pump and placing
tool
Replace Trigger Switch and/or
Control Cable
Refer to pump instruction manual
Replace Trigger Switch and/or
Control Cable
Check for correct connections at
pump and placing tool
Ensure placing tool is filled with
oil and correctly primed
Refer to pump instruction manual
Inspect placing tool – replace
worn or damaged components
Inspect Hose Assembly – ensure
hose connections are tight and/or
replace damaged hose
connectors
Refer to pump instruction manual
Refer to pump instruction manual
Inspect placing tool – replace
worn or damaged seals
Inspect placing tool – replace
worn or damaged components
Refer to pump instruction manual
Refer to placing tool specification
Check Quick Couplers 10 and 11
for full engagement
Adjust pressure relief valve
settings – refer to pump
instruction manual
See Symptom on page 21
PAGE REF.
14
8
14
14
8
8
11 - 14
14
11 - 14
11 - 14
5
8
9
9
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