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FIGURE 5: M-30

 MODULATOR NON ANTILOCK APPLICATION OF SERVICE BRAKES

SUPPLY OR

HOLD

DIAPHRAGM

SPRING

BRAKE

CHAMBER

BRAKE VALVE

HOLD

VALVE

EXHAUST

DIAPHRAGM

EXHAUST

VALVE

EXHAUST PORT

BIAS

VALVE

FIGURE 6: M-30

 MODULATOR NON ANTILOCK APPLICATION HELD POSITION

SUPPLY OR

HOLD

DIAPHRAGM

EXHAUST

VALVE

BIAS

VALVE

EXHAUST

PORT

HOLD

VALVE

BRAKE

CHAMBER

SPRING

SPRING

EXHAUST

DIAPHRAGM

BRAKE

VALVE

Содержание M-30 ANTILOCK MODULATOR ASSY

Страница 1: ...unted ahead of a quick release valve which provides quick exhaust of service applications during normal braking Figure 4 In the case of individual wheel control applications the modulator is always th...

Страница 2: ...or exhaust port during slow brake release REAR AXLE SYSTEM The Supply Delivery and Exhaust ports on the M 30 modulator are identified with a cast embossed numeral for positive identification Identific...

Страница 3: ...SPRING BRAKE CHAMBER BRAKE VALVE HOLD VALVE EXHAUST DIAPHRAGM EXHAUST VALVE EXHAUST PORT BIAS VALVE FIGURE 6 M 30 MODULATOR NON ANTILOCK APPLICATION HELD POSITION SUPPLY OR HOLD DIAPHRAGM EXHAUST VALV...

Страница 4: ...he modulator the antilock controller is able to simulate what the driver does when he pumps the brakes It must be remembered however that unlike the driver the antilock controller is able to cycle eac...

Страница 5: ...HAUST VALVE BRAKE CHAMBER EXHAUST PORT ANTILOCK HOLD FIGURE 10 The antilock controller will place the modulator in the hold position when it senses that the correct wheel speed braking force has been...

Страница 6: ...gine compartment the engine should be shut off and the ignition key should be removed Where circumstances require that the engine be in operation EXTREME CAUTION should be used to prevent personal inj...

Страница 7: ...e brakes apply and release promptly 3 Build system pressure to governor cut out and turn the engine OFF 4 After determining the pressure loss with the brakes released 2 PSI minute allowed make and hol...

Страница 8: ...ark or label all air lines and their respec tive connections on the valve to facilitate ease of installation 3 Disconnect both air lines and the electrical connector 4 Remove the modulator from the ve...

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