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 505 of 801

TM 9-2320-273-34

(2)

With adjustments properly made (pinion at correct depth and backlash set at 0.015 in.

(0.38 mm), the contact in figure 11-55 will be procured. The area of contact is at the toe and is centered

between the top and bottom of the tooth.

Figure 11-55. Satisfactory Amboid Tooth Contact.

(3)

The hand-rolled pattern shown (gears unloaded) will result in a pattern centered in the

length of the tooth when the gears are under load. The loaded pattern will be almost full length and the

top of pattern will approach the top of the gear tooth.

(4)

If facilities are available for applying approximately 200 Ib-ft (271 N·m) of torque or more

to the pinion shaft, the following final check of tooth contacts is suggested.

NOTE

The pattern on the coast side of teeth

will appear the same width as the drive

side.

(5)

After the correct contacts (shown above) have been established with a backlash of 0.015

in. (0.381 mm) open backlash to measure between 0.008-0.020 in. (0.203-0.508 mm) if required.

11-59