TM 10-8110-201-14&Passembly (4), and turn valve stem clockwise to in-stall it through the bellows assembly.(3) Install seal (5) and preformed packings (2and 3).(4) Screw the nut (8) on the valve stem until ap-proximately one half of the valve stem threads arethrough the nut.(5) Place bellows assembly against housingbody (16), and align the holes.(6) Install three screws (10) in the bellowsassembly and housing body. Tighten screwssecurely.(7) Place the two housing bodies (11 and 16)together, and align the holes.(8) Place four screws (12 and 18) through thehousing bodies, and install nuts (15) on the screws.(9) Install capscrew (1) in the housing bodies.(10) Tighten nuts and capscrew to 20 foot-pounds (2.77 m-kg) torque.(11) Test and adjust the pilot valve a and babove.4-23. Venturi.a. Removal and Disassembly.(1) Remove capscrew (1, fig. 4-13) from housingbodies (11 and 16).(2) Remove nuts (15) from screws (12 and 18)and remove the screws from the housing bodies.(3) Separate the housing bodies and pull ven-turi (14) from housing body.(4) Remove preformed packings (13) from theventuri.b. Inspection and Repair.(1) Inspect the venturi to determine if it iscracked, burred or worn.(2) Replace a damaged venturi with ser-viceable one.(3) Replace the three preformed packings withserviceable ones.c. Reassembly and Installation.(1) Install three serviceable packings (13, fig.4-13) on the serviceable venturi (14) and install theventuri in the housing body.(2) Place the housing bodies (11 and 16)together, align the holes and install the screws (12and 18) and nuts (15). Tighten nuts to 20 foot-pounds (2.77 m-kg) torque.(3) Install capscrew (1).4-24. Female Coupling Half.a. Cleaning and Inspection.(1) Wash female coupling half (17, fig, 4-11)with a hot water and soap solution and dry it witha clean cloth.(2) Inspect the female coupling to determine ifcracked, burred or leaking.(3) Inspect coupling for damaged or missingdust plug (18), gasket (19), chain, or key rings.b. Repair.(1) Replace Gasket. Using a pointed instru-ment, remove a damaged gasket from the femalecoupling half. Install a serviceable gasket in thefemale coupling half.(2) Replace Dust Plug. Remove a damageddust plug from the key ring. Pry open the key ring,and install a serviceable dust plug on the key ring.(3) Replace Chains and Key Rings. Follow theprocedures in c below.c. Replacement.(1) Remove the dust plug (18, fig. 4-11) withchain and key rings from the damaged femalecoupling half (17).(2) Remove the damaged female coupling halffrom the pressure control.(3) Apply a coating of anti-seize compound(item 2, App. D) to the threads of a serviceablefemale coupling half, and install it in the pressurecontrol.(4) Pry open a serviceable key ring, install iton the female coupling half, and install a ser-viceable chain on the key ring.(5) Pry open another serviceable key ring, andinstall it on the dust plug end of the chain. Install aserviceable dust plug on the key ring.4-25. Male Coupling Half.a. Cleaning and Inspection.(1) Wash the male coupling half (15, fig. 4-11)with a hot soap and water solution. Dry it with aclean cloth.(2) Inspect the male coupling half to determineif it is cracked, burred, or leaking.(3) Inspect the male coupling half for damagedor missing dust cap (16), gasket (19), chain or keyrings.4-23
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business