TM-9-2320-272-10

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; OPERATOR'S MANUAL

SEPTEMBER 2004

CHANGE 2

TM-9-2320-272-10 - Page 323 of 481

TM 9-2320-272-10

2-214

c.

Stopping or Parking.

(1)

Park vehicle in a sheltered area, out of blowing dust or sand whenever

possible. If sheltered area is not available, park so vehicle does not face into wind and

cover vehicle with tarpaulins. When entire vehicle cannot be covered, protect windows,

cab, and engine compartment with tarpaulins to prevent entry of sand or dust.

(2)

Use low air pressure to remove all sand from vehicle engine compart-

ment, areas around brakes, drums, and spring seats after daily operation.

(3)

Use caution while refueling to prevent dust or sand from entering fuel

tank(s). Tighten filler cap securely after refueling.

a.

General.

(1)

Vehicles inactive for long periods in hot, humid weather can rust rapidly.

Fungus may grow in the fuel tank(s), on canvas tarpaulin, seats, and other

components. Frequent inspection, cleaning (para. 2-8), and lubrication are necessary

to maintain the readiness of vehicles.

(2)

Drain off any accumulated water in fuel filter/water separator (1). To

drain water from fuel system:

(a)

On M939/A1 series vehicles, open drainvalves (2) and (3) on fuel

filter/water separator (1), drain water into suitable container, close drainvalves (2)

and (3) when clean fuel is visible.

2-36. OPERATING UNDER RAINY OR HUMID CONDITIONS

2-35. OPERATING IN DUSTY OR SANDY AREAS (Contd)