Brake Shoe: Service and Repair

REMOVAL
1. Loosen wheel nuts, jack-up vehicle, support it with safety stands, and remove wheel.
2. Release parking brake.
3. Remove brake drum from brake assembly.





NOTE:
^ If it is difficult to remove brake drum, remove adjusting hole cover from drum, and then turn adjuster assembly pawls using a slot-type screwdriver until brake shoe separates from the drum.





^ If brake drum is difficult to remove, drive it out by installing an 8-mm bolt into bolt hole in brake drum.





4. Hold hold-down pin by securing rear of back plate with your hand.
5. Disconnect hold-down cup from hold-down pin by rotating hold-down cup.





6. Disconnect lower shoe return spring from shoes.
7. Remove shoes one by one from back plate with adjuster.





CAUTION: Be careful not to bend parking brake cable excessively when removing brake shoes.

8. Disconnect parking brake cable from parking lever

INSTALLATION
1. Clean back plate and wheel cylinder.





2. Apply grease to portions indicated by arrows in Figure.
Brake grease: Dow Corning MolyRote No. 7439 (Part No. 725191460)





3. Apply grease to adjusting screw and both ends of adjuster.
Brake grease: Dow Corning MolyRote No. 7439 (Part No. 725191460)
4. Connect upper shoe return spring to shoes.
5. Connect parking brake cable to parking lever.





6. While positioning shoes (one at a time) in groove on wheel cylinder, secure shoes.
7. Fix shoes by connecting hold-down cup to holddown pin.
8. Connect lower shoe return spring.
9. Set the outside diameter of brake shoes less than 0.5 to 0.8 mm (0.020 to 0.031 inch) in comparison with the inside diameter of brake drum.
10. Install drum.