Table C-1. Preventive Maintenance Checks and Services for Seawater System (Continued)
B - Before
D - During
A - After
D - Daily
W - Weekly
M - Monthly
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
d. Check for loose or missing securements
and fasteners. Tighten and replace as
loose or missing.
Check wiring for loose connections and
frayed cables. Secure as necessary.
Repair or replace damaged cables using
b. Visually check wiring for loose connec-
tions. If sparks are visible, immediately
stop operation and report to shift leader
a. Ensure that seawater strainer baskets
(void 2 port and starboard) are dean and
b. Change flow, remove and clean, or
replace as follows.
1) To change flow.
Loosen diverter plug locking flange
by turning locking T-bolt handle/
Turn handle toward clean basket
until it stops.
Never operate strainer with diverter plug
unseated. Sediment may collect
under plug and prevent a tight seal
causing damage to equipment.
Tighten locking flange by turning
locking T-bolt handle/handlewheel
clockwise to seat diverter plug. Do
2) To remove and clean seawater
Loosen yoke screw until yoke