Table 2-1. Preventive Maintenance Checks and Services (Cont)

TM 9-2320-366-20-1

Table 2-1. Preventive Maintenance Checks and Services (Cont)

Location

Item

Interval

Item to be

Procedure

Not Fully

No.

Checked or

Mission

Serviced

Capable If:

Semiannual

SERVICE

Check brake lining to brake drum clearance

i. Brake shoe

BRAKES

along centerline of shoe at scallop to ensure

adjustment is out

(CONT)

automatic adjusters are functioning properly.

of tolerance.

Clearance should be 0.020-0.040 in. (0.051-

0.102 cm) maximum.

WARNING

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

personnel.

Examine brake shoes for excessive brake

j. Brake linings

lining wear and cracking (para 11-2 and 11-

are cracked or

3).

excessively worn.

Inspect brake shoe return springs and hold-

k. Springs or

down clips for cracks.

clips are cracked

or broken.