BAC Document Number: Easybond MKII Manual V03
28/08/13
Page
18
of
32
8.
FAULT DIAGNOSIS OF UNSATISFACTORY PIN BRAZE CONNECTION
Some common problems can be experienced by operators when first using the equipment.
Listed below are a series of faults together with the most likely cause and remedy solutions. In
the event of persistent problems or faults, contact the service engineer for advice or repair.
PROBLEM
POSSIBLE CAUSE
REMEDY
No arc or there is a short
“pop” of the pin
Circuit not complete or
highly resistive
Check fuse wire on pin is
engaged
Check earth device is connected
Batteries flat
Charge/replace batteries
Arc time too short
Figure 9 (B)
Excessive current drawn
Poor earth connection
Check gun adjustment
Reset earth connection
Arc time too long
Figure 9 (C)
Insufficient current drawn
Check gun adjustment
Recharge batteries
Bond falls
off
when
tested
Too short brazing time
Base
metal
not
clean
enough
See above
Thoroughly clean the area to be
brazed
Fuse
wire
stuck
in
contact nipple
Pin loose in holder
Failure to eject previous
fuse wire
Tighten fit of pin holder jaws
Replace contact nipple
Brazing pin fails to push
into
molten
braze
material
Pin is out of line from the
ferrule due to off centre
ferrule
holder
jaws
caused by heavy removal
of spent ferrule
Take care not to bend ferrule
holder jaws when removing
spent ferrule
Replace ferrule holder
A.
B.
C.
Figure 9
