ROUTINE MAINTENANCE
Requires NO Maintenance
• Drive Motor and Gearbox - Lifetime lubrication
• Fan Motor - Lifetime lubrication.
• Wire Reel Spindle - Do NOT lubricate shaft.
Before Each Use
• Check over machine and accessories for any obvious condition that may
prevent safe performance or operation, repair or replace items as necessary
to correct any abnormal condition.
After 5 minutes of welding or when spatter accumulates in nozzle
• Clean nozzle to avoid bridging between nozzle and contact tip which results
in shorted nozzle, poor welds and overheated gun. Hint: Anti-stick spray or
gel available from a welding supply distributor may reduce buildup and aid in
spatter removal.
After each spool of wire feed
• Remove contact tip and clean inside diameter with short piece of wire
• Clean cable liner - when rough and erratic wirefeeding occur.
After feeding 50# of Flux Cored Wire or 300# of Solid Wire
Unplug machine or turn power switch to OFF - "O" position.
Remove gun and cable from machine.
Remove gas nozzle and contact tip from gun
Lay cable out straight - blow out gently with compressed air - Bend cable
back and forth - blow out again - Repeat until clean. CAUTION Excessive
pressure at start may cause the dirt to form a plug.
Perodically As Required
• Blow dirt out of the welder with low pressure air to eliminate excessive dirt and
dust buildup that could cause welder to run hot.
• Vacuum accumulated dirt from gearbox and wire feed section.
• Inspect the incoming guide tube and clean inside diameter if necessary.
Replace when excessively worn.
• Replace Contact Tip - when hole is enlarged or elongated
Unplug machine or turn power switch to OFF - "O" position.
Unscrew nozzle by turning counterclockwise.
Unscrew contact tip by turning counterclockwise
Replace contact tip - use correct size - see stencil on tip - tighten snugly.
Replace gas nozzle.
– 22 –
ELECTRIC SHOCK can kill.
• Disconnect input power by removing
plug from receptacle before working
inside SP-100.
• Use only grounded receptacle.
• Do not touch electrically "hot" parts inside SP-100.
• Have qualified personnel do the maintenance and
troubleshooting work.
WARNING
