TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 1340 of 1417
FIELD MAINTENANCE
TACHOMETER PULSE SENSOR REPLACEMENT (M939A2)
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP
0826, Table 1, Item 56)
Equipment Condition
Parking brake set. (TM 9-2320-272-10)
Equipment Condition (cont.)
Hood raised and secured. (TM 9-2320-272-10)
Battery ground cable disconnected. (WP
0350)
REMOVAL
1.
Remove eight screws (Figure 1, Item 3) and pull instrument cluster (Figure 1, Item 2) from instrument panel
(Figure 1, Item 1).
2.
Disconnect tachometer drive cable (Figure 1, Item 8) from tachometer pulse sensor (Figure 1, Item 7).
3.
Disconnect plug (Figure 1, Item 4) from connector (Figure 1, Item 5).
4.
Disconnect tachometer pulse sensor (Figure 1, Item 7) from tachometer gauge (Figure 1, Item 6).
M0217DAA
4
5
1
6
7
8
2
3
1
Figure 1.
Tachometer Pulse Sender Removal.
END OF TASK
TM 9-2320-272-23-2
0339
0339-1
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