F-21, Troubleshooting and repair – Lincoln Electric POWER FEED SVM185-A User Manual
Page 95
GEAR BOX REMOVAL AND DRIVE MOTOR
REMOVAL AND REPLACEMENT PROCEDURE (continued)
TO REMOVE THE DRIVE MOTOR
FROM THE GEAR BOX:
10. Using the slot head screwdriver, remove the
gear box inspection cover nearest to the drive
motor.
11. Using the 5/16 in. wrench, remove the
motor mounting screw located inside the
gear box.
12. Using the slot head screwdriver, remove
the two screws mounting the “top” of the
motor to the gear box.
13. Carefully remove the motor from the gear
box assembly. Note motor lead
placement for reassembly.
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14. Using the 3/16 in. Allen wrench, loosen the
two Allen type screws at the bottom of the
wire drive unit.
15. Remove lead #67 from the conductor block.
16. Carefully slide and remove the wire drive
assembly from the gear box assembly.
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1. Carefully slide the wire drive assembly and
gear box together.
2. Tighten the two Allen type screws at the
bottom of the wire drive unit using the 3/16
in. Allen wrench.
3. Attach lead #67 to the conductor block.
4. Carefully slide the drive motor into the gear
box assembly. Be sure to position the
motor leads so that they can be properly
connected.
5. Install the slot head screws that mount the
“top” of the drive motor to the gear box.
6. Install the mounting screw located inside
the gearbox using the 5/16 in. wrench.
7. Install the gear box inspection cover and
secure it with slot head screws.
8. Properly place insulation in the bottom of
the wire feeder case.
9. Place the entire gear box, drive motor and
wire drive assembly into the wire feeder
case, aligning the holes in the plastic base
insulator with the mounting holes in the
case.
10. Mount the gear box and drive motor
assembly to the wire feeder case using
the four mounting bolts, lock washers ad
flat washers.
11. Connect the gas hose to the brass gun
connector block.
12. Connect drive motor leads #550 and #551
to their quick disconnects.
13. Thread plug J4 and associated leads
through the vertical baffle and attach it to
the control board. Install cable ties as
necessary.
14. Install the wire feeder cover using the 3/8
in. nut driver.
TROUBLESHOOTING AND REPAIR
F-21
F-21
POWER FEED® 25M