Manual No. 0-5056
4-14
OPERATION
4.07 Remote Arc Starter: Service Chart
Symptom
Cause
Check
Remedy
Coolant has become conductiveUse conductivity meter
Flush system,
replace coolant.
Pilot return wire not connected Visual inspection
Connect Wire.
Spark gap set too close
Check with feeler gauge
Set to 0.063" ±0.002"
High Frequency cap (C4)
possibly open
Use capacitance meter
Reconnect or replace.
Broken or missing ferrites
Visual inspection
Replace.
Short across in inductor (L1)
Visual inspection
Remove short;
increase coil gaps.
Spark gap bus caps
(C1, C2, C3)
broken or defective
Capacitance meter
Replace.
Negative supply not
connected correctly
Visual inspection
Reconnect.
Spark gap set too large
Check with feeler gauge
Set to 0.063" ±0.002"
Faulty transformer
Resistance measurement
Replace.
No 120V supply
Check input voltage at EMI filter
Make connections;
replace harness.
No/ loose connection
to spark gap
Visual inspection
Reconnect.
Faulty EMI filter
Voltage/ Resistor measurement Replace.
Loose fitting(s)
Visual inspection
Tighten fittings.
Failure to braze joints (L1)
Visual inspection
Replace HF Coil.
Damaged or punctured
coolant line(s).
Visual inspection
Replace coolant line(s).
Supply & return hose reversed
Visual Inspection of color-coded
connections
Match coolant connection colors
to arc starter fitting colors.
Blockage in coil or
supply/return hoses
Loosen fitting slightly and check
for coolant flow
Flush system.
Shield Drain / Torch lead inner
shield connector
missing or loose.
Visual inspection of lead
attachment to Arc Starter
Reconnect / tighten
lead connectors.
Missing or loose
ground connection
Visual inspection of ground wire
to Arc Starter
Make or tighten
connections to
good ground.
Cap C5 not connected,
open or loose
Visual inspection / capacitor
measurement
Replace PCB.
Arc Starter Service Chart
Erratic System
Behavior
(EMI Interference)
No Pilot ignition:
Spark in Arc Starter
but no ignition
No Pilot ignition:
No Spark
in Arc Starter
No cooling or
insufficient cooling:
Leaks coolant
No cooling or
insufficient cooling:
No Coolant Flow
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