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 743 of 1015

TM 9-2320-272-24-1

3-140. TRANSMISSION OIL COOLER AND MOUNT (M939/A1) REPLACEMENT (Contd)

d. Oil Cooler Installation

CAUTION

Ensure plugs or covers are completely removed from all hoses and

connections. Failure to do this may result in transmission and oil

cooler damage.

NOTE

If new oil cooler is to be installed, use fittings from old oil cooler.

1.

Install transmission oil cooler (10) on two mounts (9) with four washers (12), screws (13), and new

locknuts (11).

2.

Connect transmission-to-oil cooler supply hose (3) on elbow (2).

3.

Connect oil cooler-to-cooler filter supply hose (4) on elbow (5).

4.

Position hose clamp (15) on hose (1) and install hose (1) on flange (14) and tighten clamp (15).

5.

Position clamp (7) on hose (8) and install hose (8) on flange (6) and tighten clamp (7).

FOLLOW-ON TASKS:

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l

l

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Fill vehicle cooling system to proper operating level (para. 3-53).

Install right splash shield (TM 9-2320-272-10).

Fill transmission oil reservoir to proper level (LO 9-2320-272-12).

Start engine (TM 9-2320-272-10), check for leaks, and road test vehicle.

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