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TM 55-1925-273-10-1
0080 00
(4)
Slowly OPEN the charging air connection isolation valve (figure 8, item 3), and pressurize the hydropneumatic
tank.
(5)
When the hydropneumatic pressure gauge (figure 8, item 4) indicates approximately 60 PSI (4.14 bar), CLOSE
the charging air connection isolation valve.
(6)
CLOSE the air tool connection valve and disconnect the air hose from the hydropneumatic tank.
NOTE
Both potable water pumps may be operated at the same time; however, normal operation is one
pump online at a time.
4.
Place the potable water system online by completing the following actions:
a.
OPEN PW-78, C.O.V. HDR.PNEU TK. OUTLET (figure 7, item 5).
b.
At the potable water pump motor controller 1 or 2, place the MAN-AUTO switch (figure 9, item 1), to AUTO.
PLACE HOT WATER HEATERS ONLINE
1.
Fill the hot water heaters by completing the following actions:
a.
Verify that the following valves are OPEN:
(1)
PW-79, POT. WTR.TO H.W. HTR. (figure 7, item 12)
(2)
PW-80, POT.WTR. TO H.W. HTR. (figure 7, item 13)
(3)
PW-81, H.W. HTR OUT (figure 7, item 14)
(4)
PW-82, H.W. HTR OUT (figure 7, item 15)
! CAUTION
Failure to fill the water heaters with water prior to applying power could damage the heating
elements.
2.
In the galley, slowly OPEN the hot water faucet at the sink. Allow the water to run until air has been purged from the
piping, and a solid stream of water flows from the faucet.
3.
On the main switchboard in the EOS, set the following circuit breakers to ON:
a.
HOT POTABLE WTR HTR NO.2 (figure 1, item 2)
b.
HOT POTABLE WTR HTR NO.1 (figure 1, item 3)
4.
Place the hot water recirculating system online by:
a.
Verifying that the following valves are OPEN:
(1)
PW-42, HW RECIRC. TO PMP. SUCT. (figure 7, item 9)
(2)
PW-43, RECIRC TO H.W. HEATER (figure 7, item 10)
(3)
PW-44, RECIRC TO H.W. HEATER (figure 7, item 11)
b.
Start the hot water recirculating pump by performing the following actions:
0080 00-9


 


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