Brake Drum Replacement Bendix 254 mm - 10 in

1. Block the wheels .
2. Release the parking brake.
3. Remove the propeller shaft. Refer to the appropriate replacement procedure in Propeller Shaft:

•	One-Piece Propeller Shaft Replacement .

•	Two-Piece Propeller Shaft Replacement .

•	Three-Piece Propeller Shaft Replacement .




4. Remove the bolts (9).
5. Remove the washers (10).



6. Remove the covers (5).
7. Remove the drum (2).
8. Measure the drum diameter.
9. Replace the drum if the ID is more than 256 mm (10.08 in).
10. Measure the drum run-out.
11. Replace the drum if the run-out varies by more than 0.05 mm (0.002 in).

1. Install the drum (2).
2. Install the covers (5).



3. Install the bolts (9).
4. Install the washers (10).
5. Align the drum holes with the flange holes.
6. Install the propeller shaft. Refer to the appropriate replacement procedure in Propeller Shaft:

•	One-Piece Propeller Shaft Replacement .

•	Two-Piece Propeller Shaft Replacement .

•	Three-Piece Propeller Shaft Replacement .




7. Adjust the brake linings.
8. Verify the operation of the parking brake.
9. Remove the wheel blocks.

Brake Drum Replacement Bendix 229 mm - 9 in

1. Block the wheels.
2. Remove the propeller shaft. Refer to the appropriate replacement procedure in Propeller Shaft:

•	One-Piece Propeller Shaft Replacement .

•	Two-Piece Propeller Shaft Replacement .

•	Three-Piece Propeller Shaft Replacement .




3. Remove the following items from the center of the yoke:

•	The companion flange bolt

•	The washer

•	The retainer

4. Straighten the lock tab on the washer.
5. Remove the brake drum (8) and the yoke assembly from the transmission.
6. Remove the bolts that hold the drum (8) to the yoke.

Important: Closely examine all mounting bolt holes in the drum for stress cracks.

7. Inspect the drum (8) for the following:

•

Cracks

•

Scoring

•

Pitting

•

Grooves

•	Overheating damage

8. Repair the drum as needed.
9. Inspect the linings (1) for contamination and excessive wear. The minimum lining thickness (with bonded linings) is 1.52 mm (0.060 in).
10. If replacement is necessary, replace the linings as a set.
11. Inspect the brake mechanism for proper operation.
12. Repair the brake mechanism as needed.

1. Install the bolts that hold the drum (8) to the yoke.
2. Install the drum and yoke assembly to the transmission.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the companion flange bolt and a new washer to the transmission mainshaft at the center of the yoke.

Tighten
Tighten the companion flange bolt to 140 N·m (103 lb ft).

4. Install the propeller shaft. Refer to the appropriate replacement procedure in Propeller Shaft:

•	One-Piece Propeller Shaft Replacement .

•	Two-Piece Propeller Shaft Replacement .

•	Three-Piece Propeller Shaft Replacement .

5. Adjust the parking brake. Refer to Parking Brake Shoe Replacement .
6. Remove the wheel blocks.