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CHAPTER 25 UNIT MAINTENANCE INSTRUCTIONS FOR NBC SYSTEM (M548A3)
REPLACE NBC CIRCUIT BREAKER AND RELAY (M548A3) Continued - TM-9-2350-247-20-3_672
TM-9-2350-247-20-3 Carrier Cargo Tracked 6 Ton M548A12350010969356 (EIC: AEU) M548A3 2350013696081 (EIC: AE9) Manual
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TM 9-2350-247-20-3
REPLACE NBC
CIRCUIT BREAKER
AND RELAY (M548A3)
0530 00
THIS WORK PACKAGE COVERS:
Removal (page 0530 00-1).
Test and Inspection (page 0530 00-2).
Installation (page 0530 00-3).
INITIAL SETUP:
Maintenance Level
Unit
T
o
ols
and
Special
T
o
ols
General Mechanic’s Tool Kit (WP 0541 00, Item 57)
Multimeter
(WP 0541 00, Item 29)
M
aterials/Parts
Lock washer (2)
Personnel Required
Unit Mechanic
References
See your -10
E
quipment
Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
Driver’s seat raised (see your -10)
Both battery negative leads disconnected (WP 0292 00)
REMOVAL
NOTE
Mark all parts for easy identification before removing.
1.
Remove nut (1), lock washer (2), circuit 135G lead (3), and washer (4) from relay terminal A2 (5).
2.
Remove nut (6), lock washer (7), circuit 537 lead (8), and washer (9) from
relay
terminal X1 (10).
3.
Remove nut (11), lock washer (12), one end of jumper (13), and washer (14) from
relay
terminal A1 (15).
4.
Remove nut (16), lock washer (17), ground lead (18), and washer (19) from relay terminal X2 (20).
5.
Remove screw (21), jumper (13), and washer (22) from
circuit breaker
(23).
0530 00-1
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