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TM5-4110-234-14
TO 40R7-5-7-1
(1)
Pump down the system per paragraph 5-6.
(2)
Disconnect power.
(3)
Unscrew flare fittings slowly to release any slight remaining pressure.
(4)
Lift the filter-drier from the unit and plug the tube ends.
b.
Installation.
(1)
Connect flare fittings (after removing plugs) loosely to filter-drier. Check that flow arrow indicates flow
away from receiver and toward sight glass.
(2)
Tighten the flare nuts.
(3)
Leak test the newly connected fittings per paragraph 5-7.
(4)
Evacuate and charge the system as directed in paragraphs 5-10 and 5-11a or b as applicable.
(5)
Close all access doors.
5-20.
a.
Removal.
(1)
Disconnect power.
(2)
Discharge the system. (See para 58.)
(3)
Disconnect the flare nuts on the inlet and outlet valves.
(4)
Remove the hardware from the support clamp flanges and spring the clamps open enough to slide the
receiver out.
b. Repair. Repairs are limited to replacement of valves and fusible plug. Repair of welds on high pressure
tanks is not recommended.
(1) Assuming that the system has been discharged the inlet valve and the fusible plug can be replaced by
unscrewing and screwing a new one in place.
(2) The outlet valve can also be removed and installed in a like manner. This valve must have a quill or
liquid pickup tube soldered at its base.
c.
Install.
(1)
Slide the receiver into the support clamps and connect the flare nuts to the valves.
(2)
Secure the clamp flanges with two each cap screws, flat washers and lock nuts.
(3)
Replace the drier (see para 5-19).
(4)
Leak test the tank and all newly connected fittings.
(5)
Evacuate and charge the system as directed in paragraphs 5-10 and 5-11b.
(6)
Close all access doors.
5-20
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