Table 1-4. Organizational Preventive Maintenance Checks and Services Semiannual Schedule for M50A1, M50A2, and M50A3 Water Tank Trucks - continued

TM 9-2320-209-20-1

Table 1-4. Organizational Preventive Maintenance Checks and Services Semiannual Schedule

for M50A1, M50A2, and M50A3 Water Tank Trucks - Cont

Item

Procedures

Item

To Be

Check for and Have Repaired,

No.

Inspected

Replaced, Adjusted as Necessary

3. Check that exhaust gases are bypassing

(cont)

exhaust system and are coming out at rear

of tank body.

4. Turn exhaust bypass fording valve handle (2)

all the way to right. Check that exhaust gases

have stopped coming out at rear of tank body.

5. Turn exhaust bypass fording valve handle (2)

all the way to left.

6. Push exhaust bypass valve control (1) to in

position.

7. Stop engine. Refer to TM 9-2320-209-10.

Exhaust bypass

CAUTION

system (M50A3)

Exhaust bypass system will overheat tank body if

there is less than 10 inches of water in either

compartment. Do this check as quickly as possible,

if water level is lower than 10 inches.

Check exhaust bypass system for proper opera-

tion as follows:

1. Start engine. Refer to TM 9-2320-209-10.

2. Pull exhaust bypass valve control (1) to out

position.

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