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 295 of 801

TM 9-2320-273-34

NOTE

Place a wedge between center gear and gear

(4) to aid in torquing countershaft bolts.

(20)

Install new Iockplates (7) and bolts (8) on the countershafts. Torque to 32 + 5 Ib-ft

(43 + 6 N-m). Bend the Iockplate tabs against the bolt heads.

(21)

Heat the bearing races for front countershafts in oil to a maximum temperature of 275°F

(135°C). Install a race on each end of the three countershafts, as in figure 7-106.

(22)

Count and mark the teeth on the three floating gears as follows:

TOTAL

GEAR

TEETH

MARK

Bottom

45

Every 15th

Middle

36

Every 12th

Top

30

Every 10th

(23)

Install two shift collars in the bottom two floating gears.

(24)

Assemble the three countershafts and the three floating gears, making sure the timing

marks (blind splines) on the countershafts mesh with the marks on the floating gears (fig. 7-112).

Figure 7-112. Assemble Front Gear Group.

TA 074154

7-117