Lincoln Electric POWER MIG SVM170-A Service Manual page 82

F-42
WIRE DRIVE ASSEMBLY REMOVAL AND REPLACEMENT (continued)
15
4D
4A
4B
4C
20A
20B
3H
3J
3K
18
Wire Drive Final Assembly, Includes:
Wire Drive Assembly, Includes:
2 Gearbox Mounting Panel
3 Feedplate Assembly, Includes:
3A Connection Bar
3B Socket Head Cap Screw
3C Plain Washer
3D Retaining Ring
3E Idle Arm (Not Shown)
3F Adjustment Arm Assembly
3G Roll Pin (Not Shown)
3H 1/4-20 x .50 HHCS
3J Lock Washer
3K Plain Washer
4A Motor Gearbox Assembly, Includes:
4B Woodruff Key
4C Snap Ring
4D Tach Sensor
4E Ring Magnet (Not Shown)
4F Lock Washer (Not Shown)
4G Phillips Pan Head Screw (Not Shown)
5A Drive Gear
5B Collar
5C Lock Washer
5D Metric Screw
6A Ball Housing
TROUBLESHOOTING AND REPAIR
FIGURE F.12 — WIRE DRIVE ASSEMBLY REMOVAL
2
3A
8
POWER MIG 255C
16
3F
6A
6B
3
3C
3D
7
3B
10
17A
17D
17C
17B
6B Set Screw
7 Knurled Knob
8 Gun Adapter Assembly
9A Feedplate Cover
9B 1/4-20 x .50 HHCS
9C Lock Washer
10 Drive Roll Shaft Assembly
11 Drive Hub Retainer
12 Inner Wire Guide (.035/.045)
13 Drive Roll (.035/.045)
14 Outer Guide Assembly
15 Wire Drive Compartment
16 #10-24 HLN - Nylon Insert
17A Lead
17B 1/2-13x1.00 HHCS
17C Lock Washer
17D Plain Washer
18 Grommet
19 Decal (Not Shown)
20A Trigger Lead Assembly
20B Self Tapping Screw (Not Shown)
21 Decal (Not Shown)
F-42
5C 5D
5B
5A
9C
9A
11
13
9B
12
14