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 balls. Bearings which run rough when spun by hand, must be
(4) Replace bearing housing cover.
replaced.
(5) To replace outer bearing, press bearing onto shaft
(2) Pack each bearing with grease prior to replacing.
and replace locknut. Position outer bearing housing and
(3) Clean bearing housing thoroughly and inspect for
replace capscrews. Replace outer bearing housing cover.
cracks in housing
(6) Replace clutch (para 5-30).
e. Installation.
(1) To replace packing in shaft stuffing box, make up
rings of flax packing the exact size of those removed. When
NOTE
replacing the packing, stagger the ends of the packing, as
The priming pump and clutch are not
each turn is placed, to prevent leakage through the ends.
used with these auxiliary sets because
(2) Replace lantern ring in outer stuffing box after the
the fire and salvage pump is below the
third turn of packing is positioned, and place two turns of
salt-water level, and water flows freely to
packing on top of lantern ring.
the suction inlet.
(3) Replace inner bearing by pressing bearing on shaft.
Position inner bearing housing and replace capscrews.
Replace the inner bearing locknut and washer.
Section II. PUMPS, GENERAL
the bilge water, mounted above and driven by a V-belt and
5-32. Bilge and Ballast Pump
pulley on the end of the motor.
b. Removal.
centrifugal pump. It is used to pump the bilges in all below
(1) Disconnect suction and discharge lines from pump
deck compartments. The pump is driven by a 3-hp electric
motor. This pump is also used to bring sea water aboard for
ballast, pumping it into the fore or after peak tank as aligned
by the control valves (table 2-7). It has a priming pump, to lift
5-89
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