Lincoln Electric SVM143-A Operator's Manual page 78

F-34
GAS SOLENOID REMOVAL AND REPLACEMENT (continued)
FIGURE F.7 — GAS SOLENOID REMOVAL AND REPLACEMENT.
NOTE: WIRE FEEDER SHOWN WITH
DRIVE MOTOR ASSEMBLY
REMOVED FOR CLARITY
PROCEDURE
1. Remove input power to the DH-10 unit.
2. Using the 5/16 in. nutdriver, remove the
wire drive cover.
3. Locate the gas solenoid assembly and
remove the input gas lines. See Figure
F.7.
4. Label and remove the four leads (two
for each solenoid) connected to the
solenoids.
5. Remove the two rubber hoses and
clamps from the gas solenoids. Be
careful not to damage the rubber
hoses.
6. Using the 5/16 in. wrench remove the
two screws that mount the solenoid
assembly to the rear panel of the wire
feeder.
TROUBLESHOOTING AND REPAIR
CLAMPS
GAS
HOSES
7. Remove the solenoid assembly from
the DH-10 unit.
8. Using the Phillips head screwdriver
remove the two screws holding the
solenoid to the bracket. Remove the
solenoid.
9. Mount the new solenoid onto the
bracket using the two Phillips head
screws.
10. Install the solenoid assembly into the
DH-10.
11. Connect the two gas hoses.
12. Connect the four wires previously
removed. Be sure the leads are
connected to the correct solenoid.
13. Install the wire drive cover and connect
the input gas lines.
DH-10
F-34
SOLENOIDS
MOUNT