Lincoln Electric IM740 PRO-MIG 135 - Manual (Page 34)

MAINTENANCE
SAFETY PRECAUTIONS
ELECTRIC SHOCK can kill.
• Disconnect input power by removing
plug from receptacle before working
inside Pro-MIG 135. Use only grounded
receptacle. Do not touch electrically
“ hot ” parts inside Pro-MIG 135.
• Have qualified personnel do the mainte-
nance and trouble shooting work.
ROUTINE MAINTENANCE
POWER SOURCE COMPARTMENT
No user serviceable parts inside! Do not attempt to perform
service in the power source (fixed) side of the Pro-MIG 135.
Take the unit to an authorized Lincoln Service Center if you
experience problems. NO maintenance is required.
In extremely dusty locations, dirt may clog the air passages
causing the welder to run hot with premature tripping of ther-
mal protection. If so, blow dirt out of the welder with low pres-
sure air at regular intervals to eliminate excessive dirt and dust
build-up on internal parts.
WIRE FEED COMPARTMENT
1. When necessary, vacuum accumulated dirt from gearbox
and wire feed section.
2. Occasionally inspect the incoming guide tube and clean
inside diameter if necessary.
3. Motor and gearbox have lifetime lubrication and require no
maintenance.
FAN MOTOR
Has lifetime lubrication — requires no maintenance.
WIRE REEL SPINDLE
Requires no maintenance. Do not lubricate shaft.
D-1 MAINTENANCE D-1
Pro-MIG 135
WARNING