Quantcast REPLACING  TUBING, Purge system with to 1200 F creates FITTINGS  OR  REFRIGERANT  COMPONENTS

Order this information in Print

Order this information on CD-ROM

Download in PDF Format

     

Click here to make tpub.com your Home Page

Page Title: REPLACING TUBING, Purge system with to 1200 F creates FITTINGS OR REFRIGERANT COMPONENTS
Back | Up | Next

Click here for a printable version

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Combat
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
USMC
   
Products
  Educational CD-ROM's
Printed Manuals
Downloadable Books
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
DISCHARGING  THE  REFRIGERANT  (cont.)
Up
TM-5-4120-375-14 Air Conditioner Horizontal Compact 18 000 BTU 208 Volt 3 Phase 50/60 Hertz NSN
Next
CUTTING COPPER TUBING
TM5-4120-375-14 5-14.  REPLACING  TUBING, Purge system with to 1200 F creates FITTINGS  OR  REFRIGERANT  COMPONENTS. WARNING dry nitrogen prior to phosgene gas. soldering  refrigerant  heated WARNING Dry nitrogen is always used to purge the refrigeration system during brazing  or  debrazing  of  connections  to  prevent  internal  oxidation scaling. NOTE A careful; analysis of any trouble should first be made to determine if replacement  is  necessary.   The cause of failure must be determined before replacement is made. a. SYSTEM DISCHARGE. Discharge system in accordance with paragraph 5-12 and 5-13. b. DEBRAZING  JOINTS. (1). Connect a cylinder of dry nitrogen (item 8,table D) to the gauge port of the suction service valve. Open the cylinder shutoff valve and the suction service valve  slightly, and completely open the discharge service valve to purge the system of refrigerant gas. Use 1-2 cfm (0.1 to 1.02 M 3/minute. (2). Unbraze those joints which must be removed in order to replace  the  tubing,  fitting,  or  refrigerant  components  that  is defective. 5-10

Privacy Statement - Press Release - Copyright Information. - Contact Us - Support Integrated Publishing

Integrated Publishing, Inc.