TM-9-2320-279-34-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 1 OF 3

TM-9-2320-279-34-1 - Page 509 of 709

TM 9-2320-279-34-1

Transmission Maintenance Instructions (Cont)

(5)

Install compressor sleeve on hub of center support housing (2) and place compressor bar across

transmission housing (4) with two screws (9).

(6)

Tighten compressor center screw to 5 lb-ft (6.8 N•m) to compress center support housing (2).

(7)

Place snapring in retaining ring opening (10). Measure retaining ring opening with each of four

colored lugs on gage to determine lug with tightest fit.

(a)

Blue color coded retaining ring is 0.148 to 0.150 in.

(3.76 to 3.81 mm) thick.

(b)

Yellow color coded retaining ring is 0.152 to 0.154 in. (3.86 to 3.91 mm) thick.

(c)

White color coded retaining ring is 0.155 to 0.157 in. (3.94 to 3.99 mm) thick.

(d)

Red color coded retaining ring is 0.158 to 0.160 in. (4.01 to 4.06 mm) thick.

(8)

Install retaining ring (11) that has same color code as lug of gage. Retaining ring gap must be

opposite oil pan side (12) of transmission housing (4).

(9)

Remove compressor bar and compressor sleeve.

(10)

Tighten support housing screw (7) to 39

to 46 lb-ft (53 to 62 N•m).

Change 3

7-129