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Back Pressure Valve - TM-5-4310-343-350063
Pressure Switch Relief Module

TM-5-4310-343-35 Compressor Air Reciprocating Base Mounted 4 CFM 3000 PSI Electric Motor Drive (Walter Kidde MDL 895026) (Bogue Electric MDL 6703) Manual
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TM 5-4310-343-35
(2) Test the back pressure valve as follows:
(a) Plug valve outlet port in body and secure assembled valve for proof pressure test.
(b) Apply proof pressure of 5000 psig.
WARNING: BE EXTREMELY CAREFUL WHEN WORKING WITH HIGH PRESSURE
AIR TO PREVENT INJURY TO PERSONNEL OR DAMAGE TO EQUIPMENT.
DO
NOT ATTEMPT TO TIGHTEN ANY FITTING OR PERFORM ANY WORK ON
EQUIPMENT WHEN THE SYSTEM IS UNDER PRESSURE. DO NOT TAMPER WITH
ANY PRESSURE RELIEF VALVES.
(c) Hold pressure for one minute. Relieve pressure and then remove plug from outlet port.
(d) Inspect for deformation or permanent set. If no change has occurred combine tests.
(e) Connect variable pressure source to inlet fitting and connect outlet port to a non -recoil fitting. Slowly
increase pressure until valve opens. This should occur at 1700 100 psig.
(f) Check for leakage which should not exceed 3cc per hour.
(g) If pressure is not within required range, relieve test pressure, then loosen nut and turn cap in
clockwise direction to raise pressure, turn cap counterclockwise to lower pressure.
(h) If leakage is excessive, relieve test pressure, then disassemble valve and repeat overhaul
instructions.
5-27






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