Click here to make tpub.com your Home Page

Page Title: DISCHARGE PRESSURE REGULATING VALVE
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM5-4110-234-14
TO 40R7-5-7-1
(6)
Lift condenser and shroud from the frame. Use gloves when removing coil to avoid cuts from and/or
damage to the fins.
b.  Repair. If serious damage or if a leak should be evident in any part of the coil, notify general support
maintenance.
c.
Installation.
(1)  Install condenser coil and shroud to the frame and secure them with 8 each cap screws and lock nuts.
(2)
Braze the inlet and outlet connections.
(3)
Tighten the flare nut to the receiver inlet valve and remove the nitrogen source connection.
(4)
Replace the drier (See para 5-19.)
(5)
Leak test the coil, newly connected tubing and tubing connections in the area of the newly brazed joints
(6)
Evacuate and charge the system as directed in paragraphs 5-10 and 5-11a.
(7)
Install the condenser air inlet screen and secure with 8 each screws and lock washers.
(8)
Close all access doors.
5-14.
DISCHARGE PRESSURE REGULATING VALVE See figure 5-5 or 5-6.
a.
Access. Open left side condenser section access door.
b.
Adjust. Factory set point of assembled refrigerators is 100 psig (689.5 kPa) minimum.
(1)
This valve has an operating point adjusting range of 50 to 195 psig (344.8 to 1344.5 kPa).
(2)  One full turn of the adjusting stem will change the setting by 21 psig (144.8 kPa). Turn the stem
clockwise to increase, counterclockwise to decrease.
(3)  After a new valve is installed, operate the unit, remove the cap and adjust the valve stem to a gage
indication of 100 psig (689.5 kPa) minimum.
c.
Removal.
(1)  Pump the system down in accordance with paragraph 5-6.
(2)  Connect a dry nitrogen source to the compressor discharge service tee and loosen the flare nut to the
receiver inlet valve. Purge this section of tubing in accordance with paragraph 5-9.
(3)
Debraze (See para 5-12) the tubes to the valve and remove the discharge pressure regulating valve.
d.
Installation.
(1)  Braze (see para 5-12) the tubes to the discharge pressure regulating valve.
(2)
Tighten the flare nut to the receiver inlet valve and remove the nitrogen source connection.
(3)
Replace the drier. (See para 5-19).
(4)  Leak test the valve, the newly connected tubing connections and the tubing connections in the area of
the newly brazed joints per paragraph 5-7.
5-13

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business