Table 2-1. Preventive Maintenance Checks and Services (Cont)
Item to be
i. Check brake lining to brake drum clearance
along centerline of shoe at scallop to ensure
automatic adjusters are functioning properly.
Clearance should be 0.020-0.040 (0.051-0.102
i. Brake shoe
adjustment is out
Do not allow grease or oil to contact
brake linings. Linings can absorb grease
and oil, causing early glazing and very
poor braking action. Failure to comply
may result in serious injury or death to
j. Examine brake shoes for excessive brake lining
wear and cracking (para 11-2 and 11-3).
j. Brake linings
are cracked or
k. Inspect brake shoe return springs and hold-
down clips for cracks.
k. Springs or
clips are cracked