BENDIX PP-DC PARK CONTROL VALVE Manual Download Page 3

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FIGURE 4 - SPRING BRAKES RELEASED (SECONDARY RESERVOIR SUPPLY)

SECONDARY

SERVICE RESERVOIR

PRIMARY SERVICE

RESERVOIR

EXHAUST

SEAL

FIGURE 3 - SPRING BRAKES RELEASED (PRIMARY RESERVOIR SUPPLY)

SUPPLY

PLUNGER O-RING

BUTTON

PLUNGER

GUIDE SPOOL

DELIVERY

SECONDARY

SERVICE RESERVOIR

PRIMARY SERVICE

RESERVOIR

EXHAUST

SEAL

SUPPLY

PLUNGER O-RING

BUTTON

PLUNGER

GUIDE SPOOL

DELIVERY

Summary of Contents for PP-DC PARK CONTROL VALVE

Page 1: ...bs OPERATION GENERAL The PP DC valve receives its supply of air from the primary servicereservoirorthesecondaryservicereservoir whichever is at the higher pressure When the button is pushed in the val...

Page 2: ...ve ignition key when working under or around the vehicle When working in the engine compartment the engine should be shut off and the ignition key should be removed Where circumstances require that th...

Page 3: ...IMARYSERVICE RESERVOIR EXHAUST EXHAUST SEAL FIGURE 3 SPRING BRAKES RELEASED PRIMARY RESERVOIR SUPPLY SUPPLY PLUNGER O RING BUTTON PLUNGER GUIDE SPOOL DELIVERY SECONDARY SERVICERESERVOIR PRIMARYSERVICE...

Page 4: ...eet the elements of the operational tests noted in this document further investigation and service of the valve may be required SERVICE CHECKS 1 Remove any accumulated contaminants Visually inspect th...

Page 5: ...5 BODY INDEX TABS GUIDE SPOOL PLUNGER STEM FIGURE 6 EXPLODED VIEW COVER CHECKVALVESEAT BUTTON SCREW 1 4 2 7 8 3 9 5 6 PLUNGER...

Page 6: ...sure not to damage the check valve seat or the body 6 Remove and discard check valve seat o rings 7 and 8 7 Turn the body upside down and gently tap it on a flat surface to remove check valve 9 Disca...