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TM10-4330-235-13&P
(3) Open the manual drain valve and drain any accumulated water.
(4) Open air vent valve. If shutdown is temporary, leave vent valve open until system is restarted.
b. Disconnection.
(1) Provide an adequate container and open manual drain valve to drain filter/separator.
(2) Disconnect hoses from inlet and outlet and drain any residual fuel.
(3) Disconnect the adapter from the filter/separator outlet and install dust cap
couplings.
(4) Install dust cap on filter/separator outlet coupling and plug on inlet coupling.
and plug on adapter
Section IV. Operation Under Unusual Conditions
2-7 OPERATING IN UNUSUAL CONDITIONS
a. Operation in Cold Temperatures. (Below 32°F (0°C)
(1) If a heated shelter cannot be provided, locate unit so that natural barriers can be utilized to the fullest
extent possible to prevent water in the filter/separator from freezing.
(2) Prior to stopping unit, drain all water from vessel and valve until clear fuel is discharged from the
drain valve. This will prevent water from freezing in vessel. Do this at each shutdown of operation.
b. Operation in Dusty or Sandy Areas. Precaution must be taken to prevent foreign matter from entering inlet
or outlet lines and valves during coupling operations. Remove dust plugs and caps only when ready for
connections to be made. Replace dust plugs and caps as soon as connections are broken.
c. Operation Under Rainy or Humid Conditions.
(1) Rainy or extreme humid conditions may cause unusual amounts of water to be entrained in the fuel.
Water may need to be drained at more frequent intervals in these conditions.
(2) Erect a shelter to prevent the entrance of rain into the interior of the filter/separator when it is opened
for servicing.
d. Operation in Salt Water Areas. To prevent corrosion, wipe or flush down the exterior of the filter/separator
daily with fresh water. Check all painted surfaces for cracked, chipped, peeled or blistered paint. Keep filter
elements and inside of unit protected from exposure to salt water.
e. Operation in High Ambient Temperatures. Leave vent valve closed to prevent loss of fuel by expansion
during shutdown and open the valve to the inlet of the filter/separator. Vent the unit prior to restarting.
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