BENDIX BW1431 Manuel d'utilisateur

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1
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
be 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
valve anti-compound
feature is not in use.
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
DELIVERY
SUPPLY
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Résumé du contenu

Page 1 - Relay Valves

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

Page 2 - OPERATION

2All parts are interchangeable between the R-12™ and R-14™valves with the exception of the detail components of theR-14™ valve cover. Both valves make

Page 3 - REMOVAL AND INSTALLATION

3No two vehicles operate under identical conditions, as aresult, maintenance intervals may vary. Experience is avaluable guide in determining the best

Page 4 - INDICATOR

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

Page 5 - PERSONAL INJURY OR DEATH:

5ASSEMBLYNote: All torque specified in this manual are assembly torqueand can be expected to fall off slightly after assembly. Donot re-torque after i

Page 6

6BW1431 © 2004 Bendix Commercial Vehicle Systems LLC. All rights reserved. 3/2004 Printed in U.S.A.

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