Bernard Q20 Series Owner's Manual page 18

Btb mig guns
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Locking
Collar
Page 15
C. T Series Small Straight Handle
1. Loosen and remove locking collar.
2. Twist handle lock nut counterclockwise.
Slide handle lock nut away from handle.
3. Remove screw from handle and separate
handle halves.
4. Remove switch from switch lead connectors
with needle nose pliers.
5. Connect switch lead connectors firmly onto new
switch terminals with needle nose pliers.
6. Place gun assembly into handle half
positioning neck in desired position. Fit switch
Lock
into switch nest on handle (switch lead must
Nut
lie parallel). Reinstall second handle half.
7. Reinstall handle lock nut and locking collar on
handle.
8. Insert screw and tighten.
D. T Series Large Straight Handle (Switch Only)
1. Remove both housing screws with an 8 mm nut
driver.
2. Ease switch out of switch housing with needle
nose pliers to grip switch. Remove switch from
switch lead connectors with needle nose pliers.
3. Push switch lead connectors firmly onto new
switch terminals with needle nose pliers.
4. Depress switch housing into nest on handle
(switch leads must lie parallel). Align
housing holes with threaded holes in body and
insert mounting screws first before tightening
with 8 mm nut driver to even alignment.
E. C Series Large Straight Handle (Switch Only)
1. Remove both switch mounting housing screws
with a Phillips screwdriver.
2. Remove both the top and bottom pods from
handle.
3. Ease switch out of switch housing with needle
nose pliers. Remove switch from switch lead
connectors with needle nose pliers.
4. Push lead connectors onto new switch using
needle nose pliers.
5. Depress switch housing into nest on handle
(switch leads must lie parallel). Align the holes
of body housing with the holes in the handle
and start screws by hand. Finish tightening
with a Phillips screwdriver.

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