Installation
INSTALLATIONWheel Cylinder
Install wheel cylinder on back plate, and tighten bolts
Tightening torque:
10 ± 2 Nm (1.0 ± 0.2 kg-m, 7.2 ± 1.4 ft-lb)
Brake Drum and Shoe
1) Clean back plate and wheel cylinder.
2) Apply grease to portions indicated by arrows in Figure.
Brake grease:
Dow Corning Molykote No.7439 (Part No. 725191460)
3) Apply grease to adjusting screw and both ends of adjuster.
Brake grease:
Dow Corning Molykote No.7439 (Part No. 725191460)
4) Connect upper shoe return spring to shoes.
5) While positioning shoes (one at a time) in groove on wheel cylinder, secure shoes.
6) Connect lower shoe return spring.
7) Fix shoes by connecting hold-down cup to hold-down pin.
Brake Assembly
1) Install brake assembly on housing, and tighten bolts to install back plate.
Tightening torque:
52 ± 6 Nm (5.3 ± 0.6 kg-m, 38.3 ± 4.3 ft-lb)
2) Install hub.
3) Connect brake pipe, and tighten brake pipe flange nut.
Tightening torque:
15 +3/-2 Nm (1.5 +0.3/-0.2 kg-m 10.8 +2.2/-1.4 ft-lb)
4) Set the outside diameter of brake shoes less than 0.5 to 0.8 mm (0.020 to 0.031 in) in comparison with the inside diameter of brake drum.
5) Install brake drum.
6) After installing brake assembly, bleed air from brake line.