TM-9-2320-272-23-3

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5

SEPTEMBER 2012
TM-9-2320-272-23-3

  TM-9-2320-272-23-3 - Page 119 of 1469

REMOVAL - Continued
61.
Remove eight screws (Figure 9, Item 3) from instrument cluster (Figure 9, Item 1) and pull cluster away from
instrument panel (Figure 9, Item 2).
62.
Remove screw (Figure 9, Item 7), retainer nut (Figure 9, Item 9), and clamp (Figure 9, Item 8) from heater
assembly (Figure 9, Item 4) in right side of engine compartment.
63.
Remove cotter pin (Figure 9, Item 10) from fresh air control cable (Figure 9, Item 6). Discard cotter pin.
64.
Remove fresh air control cable (Figure 9, Item 6) and spring nut (Figure 9, Item 5) from heater
(Figure
9,
Item
4). Discard spring nut.
65.
From behind instrument cluster (Figure 9, Item 1), disconnect tachometer driveshaft (Figure 9, Item 18).
66.
Disconnect speedometer driveshaft (Figure 9, Item 17) from instrument cluster (Figure 9, Item 1).
67.
Disconnect air tube (Figure 9, Item 11) from instrument cluster (Figure 9, Item 1).
68.
Disconnect wire (Figure 9, Item 20), two wires (Figure 9, Item 21), and wire (Figure 9, Item 22) from battery
switch (Figure 9, Item 19).
69.
Disconnect wires (Figure 9, Items 23, 24, and 25) from starter switch (Figure 9, Item 26).
70.
Disconnect wire (Figure 9, Item 31) from wire (Figure 9, Item 32) on instrument cluster wire assembly
(Figure
9,
Item
14).
71.
Disconnect five wires (Figure 9, Item 16) from five instrument cluster lights (Figure 9, Item 15).
72.
Disconnect wire (Figure 9, Item 27) from fuel gauge (Figure 9, Item 28).
73.
Disconnect wire (Figure 9, Item 30) from oil pressure gauge (Figure 9, Item 29).
74.
Disconnect wire (Figure 9, Item 33) from transmission oil temperature gauge (Figure 9, Item 36).
75.
Disconnect wire (Figure 9, Item 13) from engine temperature gauge (Figure 9, Item 12).
76.
Disconnect two wires (Figure 9, Item 34) from spring brake pressure switch (Figure 9, Item 35).
TM 9-2320-272-23-3
0357
0357-18


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