Repair Instructions

When renewing the brake band B1, the brake band piston B1 must be moved into its original position.

Figure 2:

Disassembling the Brake Band Piston

1. Remove brake band piston from brake band piston cover.

2. Spread the lock (40a) in the brake band piston cover (40) using snap ring pliers and remove the pin (37c). Leave the lock in the brake band piston cover (Figure 2).

Figure 3:

3. Remove the snap ring (37b) in the brake band piston with a screwdriver; then remove diaphragm spring (37a) (Figure 3).

Assembling the Brake Band Piston

1. Insert pin (Figure 1 or Figure 3, item 37c) in the brake band piston B1. Observe installation position (Figure 3).

2. Slide the diaphragm spring over the pin until it contacts the brake band piston; observe installation position (Figure 3 or Figure 1, inset). Insert circlip (37b). Check for proper seating.

3. Push the assembled brake band piston into the brake band piston cover until it can be heard engaging. Thereafter DO NOT pull apart by hand.

4. Install the complete brake band piston, adjustment takes place automatically.


Note: When installing the brake band piston B1, rotate the return springs (items 35/36, Figure 1) to ensure proper seating in the brake band guide. With the assembly fixture, force the brake band piston cover into the transmission housing only as far as required to install the snap ring.