TM 10-4930-220-13&P
Table 2-2. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
(Continued)
Item
No.
14
15
16
Interval
After
After
After
Location
Item to
Check/
Service
Emergency
Dump Valve
and Control
Lever
Drain Valve
and Control
Handle or
Drain
Tank
Procedure
Check control lever for binding or damage.
Check valve for leaks, close control lever tight-
ly. Replace gasket in coupler. Refer worn or
damaged valve or control lever to unit mainte-
nance.
Check control handle for damage. Check for
leaks. Tighten leaking valve. Refer worn or
damaged valve or control handle to unit mainte-
nance.
Check tank for leaks, dents, cracks or breaks.
Check interior for dirt, water accumulation or
other foreign matter. Drain water accumulation.
Refer leaks, dents, cracks, breaks or dirty inte-
rior to unit maintenance.
Not Fully Mission
Capable
Valve or control lever is
worn or damaged.
Valve or control handle is
worn or damaged.
Tank has leaks, cracks,
breaks, or dirty interior.
Section III. OPERATION UNDER USUAL CONDITIONS
2-5. Operation.
a.
Filling the Tank.
(1)
Check the control lever (5, Figure 1-1 and Figure 1-2) and be certain it is in the “close” position.
(2)
Check the drain valve handle (9, Figure 1-1) and be certain it is shut off. For Advance Model
TRL 1000, check to be certain drain plug (9, Figure 1 -2) is installed.
(3)
Remove the manhole cover (7, Figure 1-1 and Figure 1-2) and check the inside of the tank to be
certain it is clean and free of condensation or other foreign matter.
(4)
Fill the tank through the manhole opening. Avoid spilling Iiquid and do not overfill the tank.
(5)
Refill an empty or semi-filled tank at the end of a day’s operation to reduce condensation during
overnight storage.
+When dispensing liquid, attend the nozzle constantly: do
not wedge open or block the control lever.
b. Dispensing Liquid.
(1)
Liquids may be dispensed from tank either through the emergency dump valve (13, Figure 1-1 and
13, Figure 1 -2) by gravity flow or by use of a hand pump coupled to hand pump port (10, Figure 1-1
and Figure 1-2). Stow hand pump port cap in a safe place.
(2)
Connect hose and nozzle to emergency dump valve coupling.
2-6
