BENDIX SD-06-1600 Bedienungsanleitung PDF herunterladen

Bendix

LP-2

™

& LP-3

™

Low Pressure Indicators

SD-06-1600

DESCRIPTION

The low pressure indicator is a safety device designed

to give an automatic warning to the driver whenever air

pressure in the air brake system is below the safe minimum

for normal vehicle operation. It is usually used to operate

an electrical buzzer or warning light, or both, which are

audible or visible to the driver.

Two styles of low pressure indicators are currently

manufactured.

The Bendix

LP-2

™

low pressure indicator, which is the

older style, consists of a die cast body with a spring loaded

diaphragm clamped between the body and the Bakelite

cover.

The Bendix

LP-3

™

low pressure indicator is the newer

style. It consists of a die cast body, nylon cover and

employs a spring loaded o-ring diaphragm and piston. The

LP-3

™

indicator is available with either one terminal or two.

The single terminal unit utilizes a metallic gasket between

body and case to ground the lower contact strip. The two

terminal unit utilizes a phenolic insulating gasket to isolate

both terminals from the vehicle frame.

The electrical contacts provided in both the LP-2

™

and

LP-3

™

indicators remain closed by spring force until the

air brake system pressure below the diaphragm is above

the setting (force) of the low pressure indicator spring. The

setting of the indicator and piece number is marked on a

label on the valve body. If a label is not present, then the

vehicle manual should be consulted for the proper setting.

The nominal setting of the indicator is 60 psi; however,

pressure settings may vary depending upon the vehicle.

FIGURE 1 - BENDIX

LP-2

™

LOW PRESSURE INDICATOR FIGURE 2 - BENDIX

LP-3

™

LOW PRESSURE INDICATOR

COVER

DIAPHRAGM

BODY

SPRING

CONTACT

POINTS

COVER

SPRING

CONTACT

POINTS

PISTON

BODY

O-RING

DIAPHRAGM

1 2 3 4

Inhaltsverzeichnis

Seite 1 - SD-06-1600

1Bendix® LP-2™ & LP-3™ Low Pressure IndicatorsSD-06-1600DESCRIPTIONThe low pressure indicator is a safety device designed to give an automatic war

Seite 2

2OPERATIONTo describe the operation, we shall assume that the low pressure indicator is set for 60 psi. When air pressure at the supply port and under

Seite 3

3BENDIX® LP-3™ INDICATOR1. Lubricate the bore of the body and both sides of the o-ring diaphragm with silicone lubricant BW-650-M (Bendix piece no. 2

Seite 4

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BENDIX SD-06-1600 Bedienungsanleitung

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