BENDIX 03-A-12 User's Manual
Contents
1. RETAINING RING STEM INLET amp EXHAUST VALVE RD HD MACH SCREW gt PC NO 290505 290548 288484 292057 239898 292058 237345 292059 239901 292275 De ee 1 2 3 4 5 6 7 8 9 0 THIS CATALOG SUPERSEDES CATALOG 03 A 12 PRINTED 6 762. PRESSURE PROTECTION VALVE The pressure protection valve is a normally closed pressure control valve which can be referred to as a non exhausting sequence valve These valves are used in many different applications An example would be in an air brake system to protect one reservoir or reservoir system from another by closing automatically at a preset pressure should a reservoir system failure occur The valves can also be used to delay filling of auxiliary reservoirs to insure a quick build up of brake system pressure The closing pressure of the PR 2 is externally adjustable while the PR 4 has a fixed setting For installation and maintenance information see Instruction amp Service Data Sheet SD 03 55 WEIGHT 6 LBS VMRS NO 13 010 044 DEVICE CODE IS 2012 PR 4 NOT AVAILABLE IN REMFR EXCH PR4 PRESSURE PROTECTION VALVE PC NO 286500 286903 287827 288323 4 1981 Printed in U S A 2 50 TOP VIEW INNER SPRING 3 81 3 y P T SUPPLY y P T DEL SUB ASSY AND DETAIL REFERENCE FOR SERVICE REFERENCE DETAILS NOMINAL USE CUSTOMER OUTER SPRING INNER SPRING CLOSING PC NO IDENTIFICATION PC NO PC NO PRESS P S I 286500 NONE 293259 85 286500 286500 288323 FORD DSHA 2A435 AA WHITE 72807 0001 NONE 293259 293259 291948 COMMON SERVICE PARTS QUAN DESCRIPTION SPRING RETAINER BODY PISTON ASSY PISTON O RING INLET VALVE SPRING
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