Fault Diagnosis Of Unsatisfactory Pin Braze Connection - BAC EASYBOND MK2 Operation And Maintenance Manual

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
No arc or there is a short
"pop" of the pin
Arc time too short
Figure 9 (B)
Arc time too long
Figure 9 (C)
Bond falls off
tested
Fuse wire stuck
contact nipple
Brazing pin fails to push
into molten
material
A.
BAC Document Number: Easybond MKII Manual V03
POSSIBLE CAUSE
Circuit not
highly resistive
Batteries flat
Excessive current drawn
Poor earth connection
Insufficient current drawn
when Too short brazing time
Base metal
enough
in Pin loose in holder
Failure to eject previous
fuse wire
Pin is out of line from the
braze ferrule due to off centre
ferrule holder
caused by heavy removal
of spent ferrule
B.
complete or
Check fuse wire on pin is
engaged
Check earth device is connected
Charge/replace batteries
Check gun adjustment
Reset earth connection
Check gun adjustment
Recharge batteries
See above
not clean
Thoroughly clean the area to be
brazed
Tighten fit of pin holder jaws
Replace contact nipple
Take care not to bend ferrule
holder
jaws spent ferrule
Replace ferrule holder
Figure 9
28/08/13
REMEDY
jaws when removing
C.
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