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 530 of 1015
3-56. COOLANT
TM 9-2320-272-24-1
1.
Install elbow hose (24) on transmission oil cooler (25) with clamp (23).
2.
Install tube (20) on elbow (24) with clamp (23).
3.
Install elbow hose (22) on outlet port (2) and tube (20) with two clamps (21).
4.
Install hump hose (16) on transmission oil cooler (25) with clamp (14).
5.
Install tube (12) on hump hose (16) with clamp (14).
6.
Install hump hose (11) on tube (12) and outlet tube (5) with two clamps (10).
NOTE
Perform step 7 for external bypass systems.
7.
Install hose (19) on fitting (29) and tube (12) with two clamps (18).
NOTE
Perform steps 8, 9, and 10 for internal bypass systems.
8.
Install hose (15) on tube (12) with clamp (13).
9.
Install thermostat canister (17) on hose (15) with clamp (13).
10.
Install hose (19) on fitting (26) and thermostat canister (17) with two clamps (18).
11.
Install hose (6) on tube (20) with clamp (9).
12.
Install hose (28) on surge tank fitting (1) with clamp (27).
13.
Install hose (6) and clamp (7) on bracket (4) with screw (8) and nut (3).
14.
Install hose (43) on heater valve (44) and fitting (46) with two clamps (42).
15.
Install hose (41) on heater valve (45) and fitting (39) with two clamps (40).
NOTE
Wrap male pipe threads with antiseize tape before installation.
16.
Install two elbows (36) and adapter (33) on radiator (37).
17.
Install hose (49) on surge tank (47) and thermostat housing (38) with two clamps (48).
18.
Install hose (30) on adapter (33) and surge tank (47).
19.
Install clamp (32) and hose (30) on bracket (35) with screw (31) and new locknut (34).
CAUTION
When filling cooling system, ensure drainvalve on aftercooler is
open. Failure to do so may result in damage to equipment.
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