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OM-1594 Page 21
4-11. Removing Top Cover Of Pistol Grip Gun
1 Top Cover
Push back and lift off as shown.
To reinstall cover, set rear of cover
in gun, and push cover back, down,
and forward until it clicks into
position.
802 528
1
4-12. Installing Wire Spool
Ref. 801 578-A / Ref. 072 573-B / Ref. 801 556 / Ref. 151 599-C
1 Wire Spool
2 Top Cover
3 Pressure Roll Assembly
4 Gun Contact Tip
If wire spool is being replaced, open
top cover, open pressure roll as-
sembly in gun, and cut welding wire
off at contact tip.
Retract wire onto spool.
5 Hub
6 Hub Pin
7 Notch
8 Compression Spring (Optional
For 8 Inch Spool)
9 Retaining Ring
Slide spool onto hub so wire feeds
off bottom. Turn spool until hub pin
fits hole in back of spool (notch on
hub aligns with hub pin for guid-
ance). Reinstall retaining ring.
10 Motor Torque Switch
Place motor torque switch in
appropriate position for wire type
and size (see Section 5-2).
Thread welding wire (see Section
4-13).
Tools Needed:
6
5
1
9
8
2
3
4
10
6
7
2
4
3