BENDIX 03-A-05E User Manual

SR-7™ SPRING BRAKE

MODULATING VALVE

CATALOG

SERVICE NUMBERS

03-A-05E

The Bendix® SR-7™ Spring Brake Modulating V alve is used in conjunction with a dual air brake system and spring brake actuator and performs the following functions:

1. Provides a rapid application of the spring brake actuator when parking.

2. Modulates the spring brake actuator application using the dual brake valve should a primary failure occur in the service brake system.

3. Prevents compounding of service and spring forces.

1/4" NPT

Park Control

Balance Port

Shown with

Push-to-Connect

(PTC) fitting.

For service information see Service Data Sheet SD-03-9043.

Weight 3.3 lbs. Device Code 9043

Mounting Studs

(2)

Control Port

Shown with

NPT port.

1/2" NPT

Supply

Service Replaces O.E. Mounting Stud Control Port Balance Port

Piece Number Piece Number Thd. Length (in.) Size Fitting Size Fitting

801328 5012488, 5012489 3/8"-16 .94 1/4" NPT -- 1/4 NPT --

5012568 & 5012100

801329 5010914, 5010915 3/8"-16 .94 3/8 PTC Straight 3/8 PTC Straight

5010916, 5010917,

501 1179, 501 1 180

5012045, 5012046

& 5013055 801536 5012472 & 5012831 3/8"-16 .94 3/8 PTC 90° 3/8 PTC Straight 801569 5012569 M10 1.38 3/8 PTC 90° 3/8 PTC 90° 801570 5012615 -- -- 1/4 NPT -- 1/4 NPT -801571 5012616 & 5013862 - - -- 3/8 PTC Straight 3/8 PTC Straight 801898 5013864 3/8"-16 1.38 3/8 PTC Straight 3/8 PTC Straight

Note: Service piece numbers are basic valves supplied without fittings and pipe plugs. Reuse pipe plugs and fittings when replacing the Original Equipment (O.E.) valves.

3/8" NPT

Delivery

Exhaust

3/8" NPT

Delivery