TM 1-1520-238-23
9-525
9.136.
MASS TERMINATION CONNECTOR (MTC) WITH SHIELD BUS (1 OR 2 INCH) REPAIR – continued
REJECT IF THE FOLLOWING CONDITIONS EXIST:
PROPER HEATING (SOLDERING) OF SLEEVE
ACCEPT IF THE FOLLOWING CONDITIONS EXIST:
M04-3066-30
MAXIMUM SOLDER FLOW
A. SOLDER FILLET BETWEEN TERMINAL AND
WIRE IS VISIBLE.
B. JOINT AREA IS VISIBLE DESPITE
BROWNING OF SLEEVE.
MINIMUM SOLDER FLOW
A. SOLDER PREFORM HAS LOST ORIGINAL RING
SHAPE.
B. DEFINITE SOLDER FILLET BETWEEN TERMINAL
AND WIRE IS VISIBLE AT BOTH ENDS.
C. MELTABLE SEALS HAVE MELTED.
D. SHRINKABLE SLEEVE HAS SQUEEZED
TIGHTLY AROUND WIRE AND TERMINAL.
INSUFFICIENT HEAT - MAY BE REHEATED
A. RING SHAPE OF SOLDER PREFORM IS VISIBLE.
B. SLEEVE IS NOT FULLY SHRUNK.
C. SEALS ARE NOT TIGHT AROUND WIRE AND TERMINAL.
OVERHEATED
A. JOINT AREA IS NOT VISIBLE BECAUSE OF
SEVERE DARKENING OF SLEEVE.
B. SOLDER FILLET IS NOT VISIBLE BETWEEN
TERMINAL AND WIRE.
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