BENDIX TCH-006-005 User Manual
Technical Bulletin
Bulletin No: TCH-006-005 Effective Date: 2/19/2014 Cancels: N/A Page: 1 of 2
Subject:
BENDIX® DS-1™ AND DS-2™ DOUBLE CHECK VALVE AND STOPLIGHT SWITCHES
BECOME OBSOLETE
Effective immediately, the Bendix® DS-1™ and DS-2™ double check valve and stoplight switches are obsolete and
can no longer be ordered from Bendix. To service these valves, two separate valves
separate stoplight switch
Bendix is providing changeover kits which include the valves and necessary couplings. The changeover tables
below
—
and on the following page
Note that the functionality of the two valves mounted together is the same, however the overall size of the two
components mounted together is not. Be sure to review the dimensions of the assembly and verify the installation
before attempting the valve replacement.
Bendix® DS-1™
Double Check Valve &
Stoplight Switch
228050, 228050N K108140 1/2”
228165N K108141 3/8”
228520, 228520N K108140 1/2” Coupling must be used to facilitate the installation
229493 K108140 1/2”
Terminal
8-32 Thread
—
can be installed together to achieve the same functionality. To facilitate the changeover,
—
identifi es the changeover kit piece numbers.
Changeover
Kit Piece No.B NPT Comments
The Bendix® DS-1™ double check valve and stoplight switch
contains port D — a 1/4” female pipe thread. This port is not
included on the Bendix® DC-4® check valve replacement. An
additional coupling may be needed to facilitate this changeover.
Changeover Kit
D
1/4” NPT
(Female) for
Pc. No. 229493 only
Bendix® SL-4
Stoplight Switch
—
a double check valve and a
Terminal
8-32 Thread
™
A
1/4” NPT
3.00”
2.85”
B
C
Bendix® DS-1™ Double Check
Valve and Stoplight Switch
Bendix® SL-4
Stoplight Switch
4.12”
Double Check Valve
© 2014 Bendix Commercial Vehicle Systems LLC, a member of the Knorr-Bremse Group • 2/2014 • All Rights Reserved.
Coupling
D
(Female)
Bendix® DC-4®
3.06”
C
1/4 NPT
(Coupling to be installed in
™
3.65
this port when replacing
Pc. Nos. 228520 and
228520N)
4.12”
1/4” NPT
A
1/4” NPT
Install in
DC-4 valve
1/4” NPT
B
Bendix® DC-4®
Double Check Valve
Bulletin No: Page: 2 of 2 TCH-006-005
Bendix® DS-2™
Double Check Valve &
Stoplight Switch
286452, 286452N K108142 3/8” -- 8-32
286453, 286453N K108143 3/8” -- 10-32
286704 K108143 -- 3/8” 10-32 Coupling included in kit must be used to
287287, 287287N K108143 -- 3/8” 10-32
5010488, 5010488N K108143 3/8” -- 10-32
Changeover
Kit Piece No.BNPTDNPT
Terminal
Size Comments
facilitate the installation.
Bendix® DS-2™ Double Check
Valve and Stoplight Switch
Changeover Kit
Terminal
Thread
D
(Female)
B
Bendix® SL-4
Stoplight Switch
™
Terminal
Thread
(Not on all valves)
A
3/8” NPT
C
3/8” NPT
Mounting Hole
1/4 NPT
Install in
B
3.00”
3.52”
D
(Female)
2.77”
3.00”
DC-4 valve
A
3/8” NPT
1/4” NPT
4.12
Bendix® SL-4
Stoplight Switch
B
™
C
B
3/8” NPT
Coupling
4.12”
D
Bendix® DC-4®
Double Check Valve
(Female)
3.00”
Bendix® DC-4®
Double Check Valve
3.65
Loading...