BAC Document Number: 273 199 5230 Welding
Generator Extended Brazing Gun Service Manual
28/08/2012
Page
16
of
23
8.2 REPLACEMENT OF THE CONTACT SET
Figure 10 Sequence
(numbers in brackets are from
Figure 12
)
8.2.1 Dismantling the contact set
(26)
– 1 & 2
Figure 10
Open the gun handle plate using the provided allen key
(31)
to remove screws.
1. Unscrew the flat contact with the spanner
(30)
and remove the gun cable
(27)
,
ensure the spring washer is removed.
2. Unscrew the domed contact and remove from the contact arm
(25)
, ensure the spring
washer is removed.
8.2.2 Re-assembly
1. Screw the domed contact into the spring bracket
(23)
. Ensure that the spring washer
is located correctly in the groove in the contact before tightening.
Do not over tighten the contacts.
2. Place the flat contact through the hole in the gun cable lug
(27)
and offer both up to
the location. Use the screwdriver between both contacts to assist with tightening.
Do not over tighten the contacts. Replace gun handle plate and screws.
Figure 10