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SD-03-950

Bendix

LQ-2

™

Limiting & Quick Release Valve and TW-1

™

Control Valve

FIGURE 1

LQ-2

™

LIMITING & QUICK

RELEASE VALVE

FIGURE 2

DESCRIPTION

LQ-2

™

LIMITING & QUICK RELEASE VALVE

The Bendix

LQ-2

™

limiting and quick release valve is a dual

function valve; the valve serves to limit brake applications

and is generally used on the front or steering axle of a vehicle.

The LQ-2

™

valve is controlled by a TW-1

™

control valve, (see

Figure 2) which is mounted in the vehicle cab within reach of

the driver. Placing the control valve in the “Slippery Road”

position will reduce front axle service application pressure

by 50%. With the control valve in the “Dry Road” position,

there is no reduction of service application pressure. In

addition, the LQ-2

™

valve serves a quick release function,

releasing air directly from the front axle chambers.

TW-1

™

CONTROL VALVE

PLUNGER RETURN

SPRING

INLET VALVE

SPRING

EXHAUST

PORT

LEVER

EXHAUST

VALVE

GASKET

INLET

VALVE

PISTON

INLET & EXHAUST

VALVE

STEM

O-RINGS(2)

SPRING

GUIDE

COVER

SEAL RING

DIAL

PLUNGER

SUPPLY PORT

(FROM BRAKE VALVE)

DELIVERY PORT

(TO BRAKE CHAMBER)

EXHAUST

PORT

CUT-OUT VALVE

PORT

(FROM

TWO-WAY

VALVE)

DELIVERY PORT (TO

LIMITING AND QUICK

RELEASE VALVE)

INLET PORT

(FROM BRAKE

VALVE)

1 2 3 4

Inhaltsverzeichnis

Seite 1 - Control Valve

1®SD-03-950Bendix® LQ-2™ Limiting & Quick Release Valve and TW-1™ Control ValveFIGURE 1LQ-2™ LIMITING & QUICKRELEASE VALVEFIGURE 2DESCRIPTIONL

Seite 2 - PERSONAL INJURY OR DEATH:

2OPERATIONReference Figure 2, the LQ-2™ limiting and quick releasevalve and the TW-1™ control valve are connected to a serviceapplication line: one co

Seite 3 - PREVENTIVE MAINTENANCE

3PREVENTIVE MAINTENANCEImportant: Review the Bendix Warranty Policy beforeperforming any intrusive maintenance procedures. A warrantymay be voided if

Seite 4 - ASSEMBLY

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BENDIX BW1439 Bedienungsanleitung

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