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

WATER

Check security of water pump attachment

a. Bolts are

PUMP

bolts and hose clamps. Refer to para 6-12 if

stripped.

clamps are found to be loose.

Inspect water pump for leaks around impeller

b. Class III leak

shaft.

is evident.

Inspect water pump pulley and idler pulley for

c. Water pump

damage.

pulley or idler

pulley is

damaged to the

point that it

affects belt wear.

Check drive belt for cracks, frays, and shiny

d. Drive belt has

spots.

more than one

crack 1/8 in. (0.3

cm) in depth or

50 percent of belt

thickness, any

fray more than 2

in. (5.1 cm) long,

or has excessive

play.

2-44