TM-9-2320-273-34

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1980

TM-9-2320-273-34 - Page 484 of 801

TM 9-2320-273-34

j.

Assemble the Shift Unit,

cover (fig.

determine

(1)

I

11-41

I

short

Fork, and Shaft.

NOTE

Before installing the shift shaft into the

helical gear cover and shift fork, inspect

and remove any rough spots or burrs by

polishing the shaft with fine emery cloth.

nstall the shift shaft partially through its bore in the shift unit opening of the helical gear

). Install the short end of shaft first, (Measure from the roll pin hole to shaft ends to

end. ) Use a rawhide mallet to tap the shaft through.

Figure 11-41. Assemble Shift Unit, Shaft, and Fork.

(2) Position the

shift fork to the inside front of the helical gear cover, alining its shaft bore

with the bore in the cover. The long boss of the fork with the drilled roll pin hole must be facing toward

the back.

(3)

Holding the shift fork in position, continue to tap the shift shaft through the gear cover and

fork. Tap shaft in enough to support the fork.

(4)

Install the shift fork return spring between the fork and rear shaft bore in the gear cover.

Make sure inner diameter of spring coils are alined with the shaft bores of the fork and gear cover.

(5) Continue to tap the

shift shaft into position with the rawhide mallet.

NOTE

As the shaft is installed, make sure the

roll pin holes of the fork and shaft are

alined. Rotate the shaft if necessary to

aline holes.

(6)

Assemble the roll

hammer

pin through the holes in the fork boss and shaft. Use a small drift and

11-38