TM-9-2320-272-23-4

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 4 OF 5

SEPTEMBER 2012
TM-9-2320-272-23-4

  TM-9-2320-272-23-4 - Page 509 of 1393

ASSEMBLY
1.
Install 100-amp circuit breaker (Figure 15, Item 15) on load center (Figure 15, Item 10) with three screws
(Figure
15,
Item
16).
2.
Install four 20-amp circuit breakers (Figure 15, Item 12) on load center (Figure 15, Item 10) with 12 screws
(Figure 15, Item 17).
3.
Install 40-amp circuit breaker (Figure 15, Item 19) on load center (Figure 15, Item 10) with three screws
(Figure
15,
Item
18).
4.
Install 30-amp circuit breaker (Figure 15, Item 21) on load center (Figure 15, Item 10) with three screws
(Figure
15,
Item
20).
5.
Install nine 20-amp circuit breakers (Figure 15, Item 24) on load center (Figure 15, Item 10) with nine screws
(Figure 15, Item 22).
6.
Install six insulators (Figure 15, Item 13) on load center (Figure 15, Item 10) with six screws (Figure 7, Item 8).
7.
Install relay (Figure 15, Item 2) on load center (Figure 15, Item 10) with three lockwashers
(Figure 15, Item 5) and screws (Figure 15, Item 4).
8.
Install cable (Figure 15, Item 6) on neutral buss bar (Figure 15, Item 9) with screw (Figure 15, Item 26).
9.
Install relay cable (Figure 15, Item 1) on 20-amp circuit breaker (Figure 15, Item 24) and relay
(Figure
15,
Item
2) with two screws (Figure 15, Items 11 and 33).
10.
Install ground B cable (Figure 15, Item 32) on neutral buss bar (Figure 15, Item 9) with screw
(Figure 15, Item 26).
11.
Install ground N cable (Figure 15, Item 31) on relay (Figure 15, Item 2) and neutral buss bar
(Figure
15,
Item
9) with two screws (Figure 15, Items 25 and 28).
12.
Install jumper wire (Figure 15, Item 30) and ground B cable (Figure 15, Item 32) on relay (Figure 15, Item 2)
with two screws (Figure 15, Item 29).
13.
Install six plates (Figure 15, Item 33) on load center cover (Figure 15, Item 34).
14.
Install blackout door switch (Figure 15, Item 7) on load center (Figure 15, Item 10) with two screws
(Figure
15,
Item
8).
15.
Install grommet (Figure 15, Item 11) on load center (Figure 15, Item 10).
TM 9-2320-272-23-4
0639
0639-18


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