Bendix-commercial-vehicle-systems R-14 RELAY VALVES 5/10 User Manual download pdf

Bendix

R-12

& R-14

Relay Valves

DESCRIPTION

The relay valve in an air brake system functions as a relay

station to speed up the application and release of the

brakes. The valve is normally mounted at the rear of the

vehicle in proximity to the chambers it serves. The valve

operates as a remote controlled brake valve that delivers

or releases air to the chambers in response to the control

air delivered to it from the foot brake valve or other source.

The R-12

and R-14

relay valves are designed for either

reservoir or frame mounting. A universal mounting bracket is

furnished that permits easy interchange with other Bendix

relay valves. Both valves are available in the two body styles

illustrated in Figure 1. The R-14

valve differs from the

R-12

valve in that it incorporates a quick release and anti-

compounding feature located above its horizontal service

port. The R-14

valve’s anti-compound feature allows it to

FIGURE 1 - EXTERIOR VIEWS

EXTERIOR R-14HEXTERIOR R-12H

SERVICE (1)

SUPPLY (2)

DELIVERY

SERVICE (1)

DELIVERY

SUPPLY (2)

EXTERIOR R-12V

EXTERIOR R-14V

SD-03-1064

DELIVERY

SUPPLY

1 2 3 4 5 6

Summary of Contents

Page 1 - SD-03-1064

1Bendix® R-12® & R-14® Relay ValvesDESCRIPTIONThe relay valve in an air brake system functions as a relay station to speed up the application and

Page 2 - OPERATION

2be conveniently used as either a service or spring brake relay valve. An exhaust cover is installed that protects the 1/8” balance port when the R-14

Page 3 - REMOVAL AND INSTALLATION

3PREVENTIVE MAINTENANCEImportant: Review the Bendix Warranty Policy before performing any intrusive maintenance procedures. A warranty may be voided i

Page 4 - INDICATOR

4QUICKRELEASEVALVEPP-7™VALVEDS-2™ DOUBLECHECK &STOP LIGHTTP-3® TRACTORPROTECTIONDC-4®DOUBLECHECKVALVEBRAKECHAMBERAIR DRYERSUPPLYRESERVOIRANTI-COMP

Page 5 - INJURY OR DEATH:

55. Inspect the exhaust seat of the quick release diaphragm in the R-14® valve cover and make sure all internal air passages in this area are open an

Page 6

68. Use only genuine Bendix® replacement parts, components and kits. Replacement hardware, tubing, hose, ﬁ ttings, etc. must be of equivalent size, t

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Bendix-commercial-vehicle-systems R-14 RELAY VALVES 5/10 User Manual

Browse online or download User Manual for Equipment Bendix-commercial-vehicle-systems R-14 RELAY VALVES 5/10. Bendix Commercial Vehicle Systems R-14 RELAY VALVES 5/10 User Manual

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