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

1. Pump enough water from one compartment to

another to make sure that water pump system

works properly. Do this for both compartments.

Check that there are no leaks or

unusual noise or vibration.

(a) Gravity discharge water from one compartment

to a clean container. Empty enough water

to check that gravity discharge system

works properly and does not leak.

(b) Pump water back into compartment.

2. Close rear compartment doors (1).

Tank body

1. Check that manhole covers (1) and filler caps

(2) seal properly and are not damaged. Check

that locks (3) are not damaged.

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