Bendix-commercial-vehicle-systems PP-7 TRAILER SUPPLY VALVE Manuel d'utilisateur télécharger pdf

Bendix

PP-7

™

Trailer Supply Valve

SD-03-3617

EXHAUST

LOCK

WASHER

1/8 P.T.

SUPPLY

NUT & THREAD

CAP SCREW

(18) PLUNGER

RETURN

SPRING

SPIROL

PIN (1)

(12) O-RING

BUTTON (2)

THIN NUT

(17) PLUNGER

HEX LOCK NUT (15)

FUNCTION AND DESCRIPTION

The PP-7

™

trailer supply valve provides in cab control for the

tractor protection system and functions in conjunction with

the park control valve. It is responsible for synchronizing the

tractor and trailer parking and emergency brakes.

It is essentially a combination of two non-modulating, on-

off control valves in a single, compact package.

Each of the four pipe tapped ports of the PP-7

™

valve are

identified with cast in, raised letters. The supply and control

ports have 1/8 inch N.P.T.F. dry seal pipe threads while the

delivery and exhaust ports have 1/4 inch N.P.T.F. dry seal

pipe threads.

GENERAL OPERATION

The PP-7 trailer supply valve is a panel mounted, push-pull

operated control valve. The button of the PP-7

™

valve must

be manually depressed, but will automatically pop out and

exhaust if supply air is below 40 p.s.i. Fifty p.s.i. or greater

supply air pressure is required for the button to remain in

LOCK

WASHER

CAP SCREW

(13) INLET &

EXHAUST

VALVE

1/4 P.T. DELIVERY

(9) O-RING

1/8 P.T. CONTROL

O-RING (19)

BODY

INLET & EXHAUST

(16) VALVE

RETAINING RING (10)

SEALING RING (3)

O-RING RETAINER (11)

INLET & EXHAUST (14)

VALVE SPRING

SPRING (7)

LOWER BODY

PISTON (6)

O-RING (8)

O-RING (5)

END PLATE (4)

FIGURE 1 - EXTERIOR

FIGURE 2 - SECTIONAL

1 2 3 4 5 6

Résumé du contenu

Page 1 - Trailer Supply Valve

1®Bendix® PP-7™ Trailer Supply ValveSD-03-3617EXHAUSTLOCKWASHER1/8 P.T.SUPPLYNUT & THREADCAP SCREW(18) PLUNGERRETURNSPRINGSPIROLPIN (1)(12) O-RING

Page 2 - SYSTEM PRESSURE

2Double CheckValve#1 ServiceReservoirPP-7™ControlValveModulatorParkControlDS-1SupplyReservoirTP-3™ Tractor Protection#2 ServiceReservoirLQ-3™ ValveE-7

Page 3 - VALVE SYSTEM FULLY CHARGED

3after it is depressed and it will remain in until supply airpressure falls below 40 P.S.I. or until the valve is manuallyactuated.OPERATION - LESS TH

Page 4 - VALVE PARK APPLICATION

4OPERATION - AUTOMATIC EXHAUST (NOOVER RIDE)If the driver holds the button of the PP-7™ valve in after supplyair pressure has dropped below the 40 P.S

Page 5 - OPERATING AND LEAKAGE CHECKS

5PREVENTIVE MAINTENANCEImportant: Review the Bendix Warranty Policy beforeperforming any intrusive maintenance procedures. A warrantymay be voided if

Page 6 - PERSONAL INJURY OR DEATH:

610. Using a 7/16 inch wrench remove the special hex nut(15) from the plunger inlet exhaust valve and washer.11. Remove the plunger inlet exhaust valv

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Bendix-commercial-vehicle-systems PP-7 TRAILER SUPPLY VALVE Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Équipement Bendix-commercial-vehicle-systems PP-7 TRAILER SUPPLY VALVE. Bendix Commercial Vehicle Systems PP-7 TRAILER SUPPLY VALVE User Manual Manuel d'utilisatio

Résumé du contenu

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