Table 3-3. Preventive Maintenance Checks and Services for ROWPU System (Continued)
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
b. Check HP pump engine cooling system
Class III leaks.
for leaks and signs of corrosion. Check
coolant level and add coolant as
required. Pressure test engine cooling
a. Check fuel oil level in day tank Add fuel
Oil level is low. I
oil if necessary.
b. Drain water from fuel filter.
as necessary at a minimum of 1000 hrs.
To ensure a proper seal, ensure all old gas-
ket material is removed.
1) Clean gasket sealing surface of filter
2) Put light coat of oil (MIL-L-2104) on
3) Install filter. Finger tighten until gasket
contacts base, then tighten 1/2 to 3/4
4) Bleed fuel system as follows:
(a) Ensure fuel line valve is open and
engine shut off control is OFF.
(b) Unlock fuel priming pump.
(c) Operate priming pump until resis-
tance is felt.
(d) Lock fuel priming pump.
Change 1 3-31