505 L4-2155cc N9te (1986)
Brake Shoe: Service and Repair
DBA Type 2 Brake Service
REMOVAL
1.
Raise and support rear of vehicle, then remove wheel and tire assembly.
2.
Loosen parking brake cable locknuts, then remove adjusting nuts.
Fig. 1 Releasing brake shoes
3.
Remove plug from drum, Fig. 1, then insert a screwdriver through backplate and move parking brake lever outward to release brake shoes.
4.
Reinstall plug, then remove drum.
Fig. 2 Lower return spring. Girling & DBA type 2 brakes
5.
On sedan models, remove lower return spring using a suitable tool, Fig. 2.
6.
On all models, remove upper return spring, then position a suitable clamp on brake cylinder.
7.
Remove hold-down springs, then the leading shoe.
8.
Disconnect parking brake cable from lever, then remove trailing shoe with link rod.
9.
Remove parking brake lever, automatic adjuster and pivoted control lever from brake shoes.
INSPECTION
1.
Clean drum and back plate with suitable solvent.
2.
Check for proper sealing of the pistons.
3.
Inspect rubber boots for wear or damage.
4.
Check drum for excessive wear and grind if necessary.
5.
Check that automatic adjuster assembly bolt turns freely.
6.
Ensure automatic adjuster nut faces slight resistance when turned clockwise and much greater resistance when turned counterclockwise.
7.
Replace any damaged or excessively worn components.
INSTALLATION
