TM-9-2320-272-24-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4
JUNE 1998
TM-9-2320-272-24-3 - Page 12 of 799
TM 9-2320-272-24-3
4-39. ENGINE MOUNTING BRACKETS AND ISOLATORS REPLACEMENT (Contd)
8.
9.
10.
11.
12.
13.
Position front bracket (9), four isolators (4), washers (3), and two screws (2) on crossmember (13) and
install backing plate (12) with two washers (10) and new locknuts (11). Tighten locknuts (11)
75-85 lb-ft (102-115 N·m).
Slowly release tension on chain and lower engine (5) while aligning holes in front bracket (9) and
radiator bracket (6) with holes in engine (5).
Install front bracket (9) and radiator bracket (6) on engine (5) with four washers (7) and screws (8).
Tighten screws (8) 80 lb-ft (109 N·m).
Tighten two screws (14) and locknuts (15) 120-140 lb-ft (163-190 N·m).
Remove lifting device and chain from two engine lifting brackets (1).
Install hose (20) on radiator inlet tube (17) and thermostat housing connector (19) with two
clamps (16) and new tiedown strap (18).
4-276
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