Installation – Bendix Commercial Vehicle Systems R-12P PILOT RELAY VALVE 4/11 User Manual
Page 6

6
NOTE: If a supply line single check valve is present (see
Figure 2), check it for leakage. Disconnect the inlet
side of the single check valve and coat the open
end with a soap solution. Make and hold a full
brake application. Leakage of a one inch bubble in
fi ve seconds is permissible. If the valve’s leakage
is excessive, replace it with a 1/2” single check
valve.
REMOVAL
1. Drain all system air pressure.
2. Identify and mark or label all air lines and their
connections to the Bendix
®
R-12P
™
valve and the single
check valve, if present. Then disconnect the air lines.
3. Remove the R-12P
™
valve from the vehicle.
INSTALLATION
1. Use the mounting bracket provided, or, if securing the
valve to a reservoir, use a Schedule 80 (heavy wall)
short couple pipe nipple.
2. Reconnect all air lines to the valve using the
identifi cation made during removal. Be sure to use pipe
thread sealant.
3. Test all air fi ttings for excessive leakage and tighten as
needed. Also, perform OPERATIONAL AND LEAKAGE
TESTS before placing the vehicle back into service.
- TU-FLO 400 AIR COMPRESSOR (16 pages)
- TU-FLO 400 AIR COMPRESSOR (40 pages)
- TU-FLO 501 AIR COMPRESSOR 9/04 (36 pages)
- TU-FLO 700 COMPRESSOR 10/04 (36 pages)
- BX2150 AIR COMP (36 pages)
- D-2 GOVERNOR 5/10 (4 pages)
- BRAKE CHAMBERS (4 pages)
- E-6 DUAL BRAKE VALVES 6/10 (8 pages)
- E-6 DUAL BRAKE VALVES 6/10 (6 pages)
- E-7 DUAL BRAKE VALVE (8 pages)
- TC-2 TRAILER CONTROL BRAKE VALVE (4 pages)
- R-12 RELAY VALVES 3/4 (6 pages)
- R-6 RELAY VALVE (6 pages)
- RE-4 RELAY EMERGENCY VALVE (4 pages)
- SR-2 TRAILER SPRING BRAKE VALVE (6 pages)
- TP-2 TRACTOR PROTECTION VALVE 3/04 (4 pages)
- PP-3 TRAILER SUPPLY VALVE 3/04 (4 pages)
- TP-4 TRACTOR PROTECTION VALVE 6/07 (6 pages)
- LQ-2 QUICK RELEASE VALVES 3/04 (4 pages)
- PRESSURE PROTECTION VALVES (4 pages)
- QRV QR-1 QUICK RELEASE VALVES 7/06 (4 pages)
- MV-1 MODUTROL (6 pages)
- TW-N TWO WAY CONTROL VALVE (3 pages)
- R-7 MODULATING VALVE (6 pages)
- LP-2 LOW PRESSURE INDICATORS (4 pages)
- AD-4 AIR DRYER 10/04 (24 pages)
- MANUAL SLACK ADJUSTERS (6 pages)
- AH-4 AIR HYD INTENSIFIER 4/04 (6 pages)
- DV-2 AUTO RESERVOIR DRAIN VLV 10/11 (4 pages)
- BEPA (FORD) 15X4 CAM BRAKE 5/09 (8 pages)
- DOUBLE ANCHOR PIN CAM BRAKE 5/04 (12 pages)
- COMPACT 500 9/87 (27 pages)
- INLET REG VALVE COMP 3/04 (6 pages)
- BP-1 BRAKE PROPORTIONING VALVES (6 pages)
- TU-FLO 600 AIR COMPRESSOR 9/04 (36 pages)
- ROTOCHAMBERS (4 pages)
- DD-3 SAFETY ACTUATORS (6 pages)
- E-2 BRAKE VALVES 10/11 (4 pages)
- E-5 BRAKE VALVE 3/04 (4 pages)
- TC-4 MODULATING CONTROL VALVE (5 pages)
- TC-6 BRAKE VALVE 3/04 (4 pages)
- TC-7 TRAILER CONTROL BRAKE VALVE (4 pages)
- R-8 RELAY VALVE (4 pages)
- RE6 RELAY VALVE 3/05 (12 pages)
- SR-4 SPRING BRAKE CONTROL VLV 7/07 (8 pages)