Relief Valve Assembly and Testing Procedures

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Kory Brown
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Dacar Engineering Approval: B. Smith Quality Approval: J.

Document No.: VWI-077 This procedure applies to the following model nos.

all times on the shop floor see ANSI Z87.

of dirt and debris STEP 3 STEP 4 review Production Order for appropriate parts and part numbers check print

1 Template Systems2win.com. Licensed for use only by Curtiss Wright Flow Control - Farris Group (4 locations) Prepared By: M. Dacar Engineering Approval: B. Smith Quality Approval: J. Kabat Revision Date: April 3, 2009 Related documents: STEP 1 Relief Valve Assembly and Testing Procedures Document No.: VWI-077 This procedure applies to the following model nos.: C-11, C-21, C-31, C-41, C-51, C-61, , and Step Instructions Step Instructions STEP 2 ANSI approved eye protection, with side shields, is required at all times on the shop floor see ANSI Z87.1 for specific criteria before starting any assembly or subassembly, ensure the work area is clean and free of dirt and debris STEP 3 STEP 4 review Production Order for appropriate parts and part numbers check print with latest revision number as listed on Production Order install O-Ring ( C Series P/N ; Series P/N ) onto End Fitting ( C-1 & -6 P/N 93994; C-2 thru -5 P/N ; Series P/N 78094) STEP 5 STEP 6 thread End Fitting into the Body ( C Series P/N ; Series P/N 78093) lubricate the O-ring and threads of the End Fitting with petroleum jelly K:\Data\Visual Work Instructions\VWI-077 Relief Valve.xls Page 1 of 4

STEP 7 STEP 8 install O-Ring (P/N 91417-012) onto

petroleum jelly STEP 9 place Spring onto the

the top of the Body STEP 11 place the Poppet (P/N

005-683-6) secure the Ball by scoring the bottom

-5 only: score the Adjusting Screw eight (8) times

14 005-023C-1, -3, and -5 only: thread the

005-023C-1, -3, and -5 only: thread the Hex Nut

2 STEP 7 STEP 8 install O-Ring (P/N ) onto Piston (P/N ) lubricate the O-Ring with petroleum jelly STEP 9 place Spring onto the Piston STEP 10 install the Piston subassembly into the top of the Body STEP 11 place the Poppet (P/N 78235) onto the Spring C-1, -3, and -5 only: place Ball (P/N 89864C-.250) into the end of the Adjusting Screw (P/N ) secure the Ball by scoring the bottom of the Adjusting Screw STEP C-1, -3, and -5 only: score the Adjusting Screw eight (8) times to properly secure the Ball in place STEP 13 STEP C-1, -3, and -5 only: thread the Adjusting Screw into the top of the Body C-1, -3, and -5 only: thread the Hex Nut (P/N ) onto the Adjusting Screw K:\Data\Visual Work Instructions\VWI-077 Relief Valve.xls Page 2 of 4

STEP 15 STEP 16 005-023C-2, -4, -6, and 78051 Series only:

78095) 005-023C-2, -4, -6, and 78051 Series only: thread the

the valve into a vise with end Fitting facing up tighten the

STEP 20 Test Procedure: stamp OUTLET onto the Body connect the

pressure STEP 21 Test Procedure: increase the inlet pressure

(set) pressure STEP 22 Test Procedure: if necessary, reduce the

$required pressure K:\Data\Visual Work Instructions\VWI-077$

3 STEP 15 STEP C-2, -4, -6, and Series only: thread the Lock Nut (P/N 78099) onto the Adjusting Screw (P/N 78095) C-2, -4, -6, and Series only: thread the Adjusting Screw into the top of the Body STEP 17 STEP 18 place the valve into a vise with end Fitting facing up tighten the End Fitting completely stamp INLET into the End Fitting STEP 19 STEP 20 Test Procedure: stamp OUTLET onto the Body connect the Inlet line to the Inlet of the valve according to the set pressure STEP 21 Test Procedure: increase the inlet pressure according to the specified set pressure and observe the opening (set) pressure STEP 22 Test Procedure: if necessary, reduce the test drum pressure 25% below the opening pressure and adjust the Adjusting Screw repeat until the valve opens at the required pressure K:\Data\Visual Work Instructions\VWI-077 Relief Valve.xls Page 3 of 4

STEP 23 STEP 25 CAUTION: Never adjust the Adjusting Screw when the

Always lower the pressure at least 25% below popping pressure before

STEP 24 STEP 26 Test Procedure: once the valve has been set at the

Adjusting Screw in place release the pressure in the valve remove the

the ports make Nameplate add Nameplate to the front of the valve add

appropriate part number and configurations of the valve on the

4 STEP 23 STEP 25 CAUTION: Never adjust the Adjusting Screw when the pressure in the valve is near its popping point. Always lower the pressure at least 25% below popping pressure before making adjustments. STEP 24 STEP 26 Test Procedure: once the valve has been set at the appropriate pressure, tighten the Lock Nut / Hex Nut to secure the Adjusting Screw in place release the pressure in the valve remove the valve from the test fixture install thread protector plugs into all of the ports make Nameplate add Nameplate to the front of the valve add sticker to the front of the valve STEP 27 STEP 28 highlight the appropriate part number and configurations of the valve on the Illustrated Parts Breakdown place completed valve in bag include the Illustrated Parts Breakdown in the bag heat seal the bag closed Comments: K:\Data\Visual Work Instructions\VWI-077 Relief Valve.xls Page 4 of 4

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Document No.: VWI This document is electronically controlled. Printed versions are uncontrolled and for reference only.

Document No.: VWI This document is electronically controlled. Printed versions are uncontrolled and for reference only. S-86-JN-2, -5, & -15 Boosters Assembly and Testing Procedures Prepared By: M. Dacar Manufacturing Approval: Quality Approval: Revision Date: July 15, 2008 Related documents: Document No.: VWI-076-1 STEP