BENDIX SD-13-4958 Manual do Utilizador descarregar pdf (Página 7)

FIGURE 9 - BENDIX

M-40QR

™

AND M-40HF

™

MODULATORS DIN SYMBOL

MODULATOR REMOVAL

1. Locate the modulator that will be replaced and clean

the exterior.

2. Identify and mark or label all air hoses and their

respective connections on the valve to facilitate ease

of installation.

3. Disconnect both air lines and the electrical connector.

4. Remove the modulator from the vehicle.

5. Remove any air hose ttings present. These ttings

will be re-used in the replacement modulator.

MODULATOR INSTALLATION

1. Install all previously-removed air hose ttings, making

certain thread-sealing material does not enter the

valve.

2. Install the assembled valve on the vehicle.

3. Reconnect both air lines to the valve using the

identication marks made during step 5 of Modulator

Removal.

4. Reconnect the electrical harness to the modulator.

5. After installing the valve, test all air ttings for excessive

leakage and tighten as needed.

TECHNICAL INFORMATION

Mode Modulator Type

Port

Options

Supply Port (from brake, relay or quick

release valve): 1/2" NPT

Delivery Port (brake actuator):

• 1/2" NPT

• Push-to-connect for 1/2" tubing

Solenoid

Voltage

12 Volts DC Nominal, optional 24 Volt

available.

Weight 1.35 pounds

Maximum

Operating

Pressure

150 psi gauge

Operating

Temperature

Range

-40

F (40

C) to 185 degrees

Fahrenheit.

[A short-term operating temperature

of 230

F (110

C) for up to 10% of the

valve’s lifetime is acceptable.]

Pressure

Differential

1 psi maximum (supply to delivery)

Mounting

Hole Sizes

0.33" diameter through body

FIGURE 8 - BENDIX

M-40QR

™

AND M-40HF

™

MODULATORS

Packard

Terminal

Name

Bayonet

Terminal

Name

Function

41 2 Source

42 3 Hold

43 1 Exhaust

Valve

Port

Function

1 Supply

2 Delivery

3 Exhaust

Bendix

M-40HF

™

Modulator

Bendix

M-40QR

™

Modulator

1 2 3 4 5 6 7 8

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