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

Inspect pulley damper for dents.

Pulley damper is

PULLEY

damaged.

DAMPER

Semiannual

Inspect alternator pulley for dents, nicks, and cuts

Pulley is

ALTER-

in flanges.

damaged to the

NATOR

point that it

PULLEY

affects belt wear.

Semiannual

ALTER-

Check for loose or cracked mounting hardware a. Alternator

NATOR

on alternator bracket and alternator pulley.

bracket or idler

BRACK-

pulley is cracked

ETS

or loose.

Check idler pulley for dents, nicks, and cuts

b. Pulley is

in flanges.

damaged to the

point that it

affects belt wear.

Semiannual

Check alternator drive belts for cracks, frays, and

Any drive belt

ALTER-

shiny spots.

has more than

NATOR

one crack 1/8 in.

DRIVE

(0.3 cm) in depth

BELTS

or 50 percent of

belt thickness,

any fray more

than 2 in. (5.1

cm) long, or has

excessive play.

2-36