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 TM 55-1905-223-24-12
Table 2-1. Preventive Maintenance Checks and Services
M - Monthly
3 - Every 3 to 6 Months
S - Semiannually
A - Annually
Item
Interval
Items To Be
No.
Inspected/Serviced
Procedures
M
3
S
A
CENTRIFUGAL PUMP UNIT
1
Motor Bearings
Check bearing temperature with a thermometer
placed against bearing housing. If bearings are
running hot (over 180, there is too much
)
lubricant. Clean bearings and change lubricant.
Refer to LO 55-1905-223-12.
2
Motor Bearings
Add 1 oz. of clean lubricant.
3
Pump & Motor
Align system with piping (paragraph 2-23).
AUXILIARY FIRE PUMP
4
Pump Bearings
Lubricate bearings with pump shut down. Refer
to LO 55-1905-223-12.
5
Flex Coupling
Lubricate. Refer to LO 55-1905-223-12.
2-4
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