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LN-7 GMA WIRE FEEDER
TROUBLESHOOTING AND REPAIR F-45
REPAIR PROCEDURE
1. Remove the allen head setscrew from
the center post of the wire drive
assembly. See Figure F.15.
2. Using a pair of pliers, pull the hinge pin
up and out of the wire drive assembly.
3. Note the position of the two spacers.
Carefully pull the two swing arms out of
the wire drive compartment. Ensure
that the two spacers are not lost.
4. Remove the two socket head cap
screws and flat washers from the swing
arm assembly. Remove the idle roll
shaft pin. Slide the idle roll from the
swing arm.
5. Slide a new idle roll into the swing arm.
Install one socket head cap screw and
flat washer.
6. Install the idle roll shaft pin and the
second socket head cap screw and flat
washer.
SWING ARM ASSEMBLY REPLACEMENT FOR
FOUR-ROLL WIRE FEEDERS
(continued)
FIGURE F.15 – SWING ARM REMOVAL FOR FOUR-ROLL FEEDERS.
HINGE
PIN
IDLE
ROLLER
SPACER
IDLE ROLL
SHAFT PIN
SPACER
SWING ARM
ASSEMBLY
WIRE
DRIVE
ASSEMBLY
ALLEN
HEAD
SETSCREW