INSPECT 2ND BRAKE PISTON
Make sure the 2nd brake piston moves smoothly when applying and releasing low-pressure compressed air to the 2nd brake drum.
INSPECT 2ND BRAKE CLUTCH DISC
Check if the sliding surfaces of the disc, the plate and flange are worn or burnt. If necessary, replace them.
Tech Tips
If the lining of the disc is peeled off or discolored, or even if only a part of the printed numbers is corroded, replace all discs.
INSPECT 2ND BRAKE PISTON RETURN SPRING SUB-ASSEMBLY
Using vernier calipers, measure the free length of the spring together with the spring seat.
| Standard free length |
|---|
| 16.05 mm (0.6319 in.) |