BENDIX 03-A-3 User's Manual
Contents
1. AIR BRAKE PROPORTIONING Description VALVE The BP 1 brake proportioning valves are incorporated into the air systems to improve the controllability and reduce the stopping distance of bob tail operated tractors during braking BP 1 for rear senses the lack of pressure in the trailer supply line reduces the braking effort on the rear axles and in some cases increase the braking effort on the front axle of tractors operated in the bobtail mode Treadle application force dur ing bobtail operation resembles treadle application force during trac tor operation with loaded trailer For Service Maintenance information see Service Data Sheet SD 03 951 Device Code 951 PIECE NO 104598 NOMINAL NOMINAL BP 1 HOLD OFF EQUALIZING FRONT PRESS PRESSURE PC NO P S I P S I os 0 BP 1 Front Maintenance Kit 104710 Consists of Peto fone csr foane PISTON SPRING Per fave KEENE C C7 Tonnes BP 1 FRONT VMRS No 13 010 039 Those details not shown in the maintenance kit are non serviceable PIECE NO 104600 NOMINAL NOMINAL BP 1 HOLD OFF EQUALIZING REAR PRSSURE PRESSURE PC NO PSI PSI BP 1 Rear Maintenance Kit 104711 Consists of NO DESCRIPTION VMRS No 13 010 222 Those details not shown in the maintenance kit are non serviceable BW1487 9 1985 Printed in U S A CATALOG 03 A 3 Caution The2. BP 1 front amp BP 1 rear valves are similar in ap pearance but are NOT inter changeable Note identification tag located See page 03 A 3B for installation kits 3 8 P T SUPPLY UPPER PISTON Wh F CONTROL PISTON EXHAUST 3 8 P T SUPPLY UPPER PISTON 1 8 P T CONTROL PISTON BODY 3 8 P T DELIVERY REAR EXHAUST
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