Bendix-commercial-vehicle-systems SC-3 INLINE SINGLE CHECK VALVES3/07 Manuel d'utilisateur télécharger pdf

SD-03-2205

DESCRIPTION

The Bendix

SC-3

™

in-line single check valve is a device

placed in an air line to allow air ow in one direction only

and to prevent ow of air in the reverse direction.

The two types of SC-3

™

in-line single check valves are:

1. The wafer-style type (Figure 2).

2. The ball type (Figure 3).

An arrow indicating the direction of air ow is found on the

body of the valve.

OPERATION

Air ow in the normal direction moves the check valve

from its seat, and the ow is unobstructed. Flow in the

reverse direction is prevented by the seating of the ball or

wafer-type disc, which is caused by a drop in up-stream

air pressure and assisted by the spring.

PREVENTATIVE MAINTENANCE

Important: Review the Bendix Warranty Policy before

performing any intrusive maintenance procedures. A

warranty may be voided if intrusive maintenance is

performed during the warranty period.

No two vehicles operate under identical conditions; as

a result, maintenance intervals may vary. Experience is

a valuable guide in determining the best maintenance

interval for air brake system components. At a minimum,

the SC-3

™

valve should be inspected every 6 months or

1500 operating hours, whichever comes rst, for proper

operation. Should the SC-3

™

valve not meet the elements

of the operational tests noted in this document, further

investigation and service of the valve may be required.

Replace any check valves leaking or showing signs of

wear or deterioration.

Bendix

SC-3

™

In-Line Single Check Valves

FIGURE 1 - SC-3

™

SINGLE CHECK VALVES

outlet

inlet

spring

outlet

ball

FIGURE 3 - SC-3

™

ANGLE CHECK VALVE: BALL TYPE

(EXTERIOR AND CROSS-SECTIONAL VIEWS)

FIGURE 2 - SC-3

™

SINGLE CHECK VALVE: WAFER-TYPE

(EXTERIOR AND CROSS-SECTIONAL VIEWS)

(one sc-3

™

valve model

features

this 1/16”

pipe plug)

inlet

outlet

spring

wafer-type

check valve

1 2

Résumé du contenu

Page 1 - In-Line Single Check Valves

1SD-03-2205DESCRIPTIONThe Bendix® SC-3™ in-line single check valve is a device placed in an air line to allow air ow in one direction only and to pre

Page 2 - GENERAL SAFETY GUIDELINES

2INSTALLATIONThe straight SC-3™ check valve consists of a two piece body. When installing the valve, tighten using the hex surface that is cl

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Bendix-commercial-vehicle-systems SC-3 INLINE SINGLE CHECK VALVES3/07 Manuel d'utilisateur

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