TM 55-1930-209-14&P-3
Table B-1. Preventive Maintenance Checks and Services for ROWPU System (Continued)
B-Before
D-Daily
Q-Quarterly
D-During
W-Weekly
S-Semiannually
A-After
M-Monthly
A-Annually
ITEM
PROCEDURES
INTERVAL
TO BE
CHECK FOR AND HAVE
EQUIPMENT
ITEM
INSPECTED
REPAIRED OR ADJUSTED
IS NOT READY/
NO.
AS NECESSARY
AVAILABLE IF:
B D
A D W M Q
S
A
5) Install hex nuts on tie rods and torque
evenly to 10 Ib/ft.
6) Connect camlock coupling.
7) Close valve R08.
8) Return R04 to service position.
7
Cartridge Filter
Check cartridge filter element
for cracks,
Cracks or leaks in
Element
leaks, and other damage. If necessary repair
cartridge filter
or replace as follows:
element.
NOTE
To replace cartridge filter on filter element
you will need:
12 new filter elements (P/N 52088)
1 set of socket wrenches and a torque
wrench
12 upper seals (spare) (Hydraunatics
#52088)
12 lower seals (spare) (Hydrautics #52084)
3 O-rings (spare)
(Parker 2-452C557-70)
1 Stiff bristle brush and clean, lint-free cloths.
Clean workplace.
a. Invert cartridge cage assembly and stand
on three U-Bolts.
b. Remove three 5/16 hex nuts, six wash-
ers, and three springs. Lift and lower spi-
der from tie rods.
CAUTION
Do not remove upper and lower seals. If
seals come loose, be sure to install upper
seals on upper spider and lower seals on
lower spider. Failure to Install seals cor-
rectly may result in water leakage.
B-21
