BENDIX SD-03-3652 Manuel D’Utilisation

TRAILER 

SERVICE LINE

TRAILER 

EMERGENCY LINE

FRONT 

RESERVOIR

BRAKE  

VALVE

REAR 

RESERVOIR

DOUBLE 

CHECK 

VALVE

COMPRESSOR

BENDIX

®

  MV-3

®

 

CONTROL VALVE

1.  Block and/or hold the vehicle by a means other than the 

air brakes during these tests. Place the trailer supply 
valve in the emergency position and disconnect the 
trailer supply and service couplings.

2.  With the tractor reservoirs charged to at least 100 psi, 

make and hold a full service brake application. Leakage 
at either tractor hose coupling should not exceed a 1 
inch bubble in fi ve seconds (100 SCCM).

3.  Connect the trailer supply, or emergency line, hose 

coupling and place the trailer supply valve in the “run” 
position. Leakage at the “service” coupling should not 
exceed a 1 inch bubble in fi ve seconds (100 SCCM).

4.  Connect the service coupling and make and hold a full 

service brake application: Leakage at the diaphragm 
end of the Bendix

®

 TP-3

®

 Valve shall not exceed a 

1 inch bubble in three seconds (175 SCCM).

NOTE:  If the TP-3 Valve does not function as described, 
or if leakage is excessive, it is recommended that it be 
replaced or repaired using genuine Bendix service 
replacement parts.

Remove the trailer hose assemblies from the TP-3 valve. 
Disconnect tractor service and supply lines and remove 
the TP-3 valve.

When installing the TP-3 valve, refer to Figure 2, and the 
following explanation, for proper connections.

1.  The delivery line from the Bendix

®

 MV-3

®

 Dash Control 

Valve is connected to the tractor emergency port of the 
TP-3 valve.

2.  The delivery line from the brake valve (or double check 

valve) is connected to the tractor service port of the 
TP-3 valve.

3.  Trailer hose assemblies are installed in the trailer 

emergency and trailer service ports of the TP-3 valve.

BENDIX

®

 TP-3

®

 

TRACTOR

PROTECTION

VALVE

AIR 

DRYER