TM-9-2320-283-20-1

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3

DECEMBER 1983

TM-9-2320-283-20-1 - Page 146 of 926

TM 9-2320-283-20-1

Table 2-1.

Unit Level Preventive Maintenance Checks and Services M915A1

Procedures:

Item

Item to be

Not Mission

No.

Interval

Inspected

Capable If:

49

Annual

Trans-

a.

Check transmission for

a.

Class III

mission

leaks and damage to connecting

leaks or dam-

lines and fittings (paragraph

age

is pre-

3-141).

sent.

b.

Change the transmission oil

and external transmission oil

filter after the initial 3, 000

miles or 3 months, whichever

occurs first.

Thereafter, the

oil and external filter should

be changed every 24, 000 miles

or 12 months, whichever comes

first.

NOTE

The automatic transmission

should be at operating tempera-

ture when the transmission oil

is drained.

This will ensure

quicker and better drainage.

c.

Replace the external trans-

mission oil filter and fill the

transmission through the dip-

stick opening with 7.8 gallons.

d.

Remove and clean the trans-

mission breather.

Change 1

2-28.5