TM-9-2320-272-24-2

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4

JUNE 1998

TM-9-2320-272-24-2 - Page 804 of 991

TM 9-2320-272-24-2

4-12. CYLINDER HEAD REPLACEMENT (Contd)

b. Installation

CAUTION

If old cylinder head is being installed, ensure it is installed in the

same location.

NOTE

Assistant will help with steps 1 and 2.

1.

Install new cylinder head gasket (5) on cylinder block (1). Ensure the word TOP is facing up.

2.

Install cylinder head (4) on cylinder block (1) with twelve washers (3) and screws (2). Tighten

screws (2) 25 lb-ft (34 N-m) in sequence shown.

3.

Tighten screws (2) 80-100 lb-ft (109-136 N•m) in sequence shown.

4.

Tighten screws (2) 180-200 lb-ft (244-271 N•m) in sequence shown.

5.

Tighten screws (2) 280-300 lb-ft (380-407 N•m) in sequence shown.

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