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 TM 55-1925-273-10-1
0073 00
NOTE
The seal formed by the fresh water will prevent oil from escaping through the water outlet.
(5)
OPEN the shutoff valve (figure 7, item 9) to feed the dirty oil to the oil pre-heater.
(6)
Verify that dirty oil enters the sight glass (figure 7, item 10).
(7)
CLOSE the shutoff valve (figure 7, item 9).
e.
At the lube oil purifier control panel:
(1)
After the bowl reaches its rated speed, verify that the motor run indicator (figure 6, item 5) is energized.
(2)
Verify that the motor start indicator (figure 6, item 4) goes out.
(3)
Set the HEATER switch (figure 6, item 6) to the ON position.
(4)
Verify that the HEATER ON indicator (figure 6, item 7) energizes.
NOTE
Heat oil to separating temperature of 70 to 80 C (150 to 176 F).
f.
At the lube oil purifier perform the following actions:
NOTE
The purifier hourly capacity is variable depending on temperature, grade, and the amount of
impurities in the oil.
(1)
Slowly OPEN the shutoff valve (figure 7, item 9) in the oil supply line to the separator, and adjust the oil flow
rate to the match hourly capacity.
(2)
Observe through the opened inspection covers (figure 7, item 8), that the purifier has both dirty water and
clean oil discharges.
5.
Stopping and securing the lube oil purifier.
! CAUTION
Allow the oil to continue flowing for several minutes to ensure proper cool down of the heater
elements. Securing oil flow before the heater elements are sufficiently cooled can cause damage
to the heater.
a.
In the engine room, on the port bulkhead, at the lube oil purifier control panel:
(1)
Set the HEATER switch (figure 6, item 6) to OFF.
(2)
Verify that the HEATER ON indicator (figure 6, item 7) goes out.
(3)
Press the STOP pushbutton (figure 6, item 8).
(4)
Verify that the MOTOR RUN indicator (figure 6, item 5) goes out.
(5)
Set the CONTROL POWER switch (figure 6, item 2) to OFF.
(6)
Set the MAIN CIRCUIT BREAKER (figure 6, item 1) to OFF.
0073 00-11
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