TM-9-2320-272-24-4

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

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

JUNE 1998

TM-9-2320-272-24-4 - Page 378 of 836

TM 9-2320-272-24-4

5-55. REAR COVER AND LOW PLANETARY CARRIER MAINTENANCE (Contd)

8.

9.

10.

11.

12.

Install new outer seal ring (6) and new inner seal ring (7) on low clutch piston (5).

Place low clutch piston (5) in rear cover (1).

Place twenty-six piston return springs (4) in low clutch piston (5).

Place cupped side of clutch spring retainer (3) over piston return springs (4).

Place spring compressor and snapring (2) on clutch spring retainer (3) and compress twenty-six piston

return springs (4).

13.

Install clutch spring retainer (3) with snapring (2).

14.

Remove spring compressor from clutch spring retainer (3).

15.

Install rear output shaft bearing (8) in rear cover (1) with bearing installer until seated.

16.

Install beveled snapring (9) in rear cover (1) with beveled side toward rear of transmission.

17.

Install oil seal (10) and dust shield (11) in rear cover (1).

18.

Install rear cover and low planetary carrier (para. 5-58).

NOTE

Ensure seal rings and lips face piston oil pressure side.

Use oil-soluble grease to hold in place.

5-372