TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 482 of 1015
TM 9-2320-272-24-1
3-38. ETHER ATOMIZER AND TEMPERATURE SENSOR (M939A2) REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939A2
TM 9-2320-272-10
TOOLS
TM 9-2320-272-24P
General mechanic’s tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
MATERlALS/PARTS
l
Parking brake set (TM 9-2320-272-10).
l
Hood raised and secured (TM 9-2320-272-10).
Lockwasher (Appendix D, Item 364)
Tiedown straps (Appendix D, Item 684)
Antiseize compound (Appendix C, Item 10)
Cap and plug set (Appendix C, Item 14)
GENERAL SAFETY INSTRUCTIONS
Ether is flammable. Do not perform this task near
open flames.
WARNING
Ether is extremely flammable. Do not perform ether system
procedures near open flame. Injury to personnel may result.
CAUTION
Cap or plug all openings immediately after disconnecting lines and
hoses to prevent contamination. Failure to do so may result in
damage to engine.
NOTE
Record locations of tiedown straps.
1.
Remove tiedown straps (3) as required. Discard tiedown straps (3).
2.
Disconnect wire connector (5) from wiring harness (4).
3.
Remove screw (11), washer (10), ground strap (9), lockwasher (8), and temperature sensor (7) from
engine block (6). Discard lockwasher (8).
4.
Disconnect ether supply tube (1) from ether atomizer (2).
5.
Remove ether atomizer (2) from adapter (12).
1.
Coat threads of ether atomizer (2) with antiseize compound and install ether atomizer (2) in
adapter (12).
2.
Tighten ether atomizer (2) until indicator mark is in three or nine o’clock position.
3.
Connect ether supply tube (1) to ether atomizer (2).
4.
Install temperature sensor (7) and ground strap (9) on engine block (6) with new lockwasher (8),
washer (10), and screw (11).
5.
Connect wire (5) to wiring harness (4).
6.
Install new tiedown straps (3) as required.
3-118
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