Figure 6. Incorrect Contact Patterns

TM 9-2320-303-24-2

REAR-REAR AXLE DIFFERENTIAL CARRIER REPAIR - CONTINUED

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DIFFERENTIAL CARRIER ASSEMBLY - CONTINUED

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.

(6)

Set used gear to have the tooth contacts match wear patterns. Hand-rolled patterns of used gears will be

smaller in area and should be at the toe end of wear patterns. Incorrect patterns are shown in figure 6.

LOW PATTERN

HIGH PATTERN

402-715

Figure 6. Incorrect Contact Patterns.

Install the Thrust Block.

(1)

Remove the carrier from the stand and position with the back face of ring gear upward.

(2)

Remove the adjusting screw (13) and locknut (14).

(3)

Place the thrust block (9) on the rear face of the gear and rotate the gear until the hole in the thrust block is

alined with the adjusting screw hole.

(4)

Install the adjusting screw (13) and locknut (14) and tighten adjusting screw sufficiently to locate the

thrust block (9) firmly against the back face of gear.

(5)

To secure the correct adjustment of 0.010-0.015 inch (0.254-0.381 mm) clearance, loosen adjusting screw

(13) turn and lock securely with nut (14). Torque nut to 150-190 lb-ft (203-258 Nm).

(6)

Recheck to assure clearance of 0.010-0.015 inch during full rotation of gear.

END OF WORK PACKAGE

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