MODIFICATION KIT FOR SR-4 AND SR-5 TRAILER SPRING BRAKE VALVES
Reservoir Check
Valve Assembly
PR-3
Date & Piece
SR-4
Number Ring
(Old Style)
Pipe Nipple
(Alphanumeric)
SR-2
* Kit Identification
Piece number
801362
3/4" NPT Check Valve Thread
801363
1/2" NPT Check Valve Thread
The SR-4 and SR-5 modification kits consist of the following:
Key No.
Qty.
1
1
2
1
3
1
4
1
5
1
6
1
Figure 1 - SR-4 and SR-5 Modification Kit Contents
GENERAL
This kit is intended to provide the necessary information to
modify the SR-4 and SR-5 Trailer Spring Brake Valves as a part
of a recall campaign. CAUTION: Failure to replace the
inlet/exhaust valve as instructed could render the trailer
unable to apply the parking/emergency spring brakes
during parking or in the event of a trailer supply line
failure.
NOTE: This kit services the SR-4 and SR-5 valves. To service
the SR-2 Trailer Spring Brake Valve order kit piece number
801364 by calling the Bendix recall support line at 1-800-478-
1793. The SR-2 modification kit contains items 3 through 6
shown above. If an SR-2 kit is not readily available this kit can
Installation
Instructions
Piece Number
(Numeric)
Cover
Date Code
(Alphanumeric)
Date Code
Note: The SR-2 is similar
in appearance to the old
style SR-4 without the
PR-3 control valve. To
service the SR-2 order kit
piece number 801364.
Piece Number
(Numeric)
Description
Description
Reservoir Check Valve
O-Ring
Inlet Valve Spring
Inlet/Exhaust Valve
Tie Wrap (Green)
Recall Form & Envelope (not shown)
Reservoir
Check Valve
Assembly
*Reservoir Check Valve
SR-4
Thread 3/4" NPT or 1/2" NPT
(New Style)
Piece Number
(Numeric)
Cover
SR-5
1
2
SR-2 Pipe Nipple
Figure 2 - Reservoir check valve and pipe nipple comparison
Kit Pc. Nos.
801362 & 801363
Note: The date code
and piece number
locations may be
interchanged for all valve
models. The location
shown is the most
common.
Reservoir
Check Valve
Assembly
Date Code
(Alphanumeric)
5
3
4
Check
Valve
SR-4 & SR-5 Reservoir
Check Valve
1