BENDIX M-21-M-22 ANTILOCK MOD ASSY Especificaciones descargar pdf (Pagina 46)

4 Component Replacement

Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)

WARNING

Relieve line pressure by bleeding the air from the appropriate

supply tank. Pressurized air can cause serious personal injury.

4. Relieve line pressure by bleeding the air from the

appropriate supply tank.

5. Disconnect the wiring from the solenoid valve.

6. Disconnect the supply air line from the adapter and the treadle

air line from the solenoid valve.

7. Use a 5 mm Allen wrench to remove the two screws that hold

the adapter piece to the relay valve portion of the valve

package.

8. Use a 6 mm Allen wrench to remove the two mounting bolts

that hold the solenoid valve to the adapter piece. Remove the

solenoid valve from the adapter piece. Remove the solenoid

valve.

9. Remove the adapter piece, seal and O-rings from the valve

package. Figure 4.9.

Figure 4.9

Installation

1. Clean and lubricate the small adapter piece O-ring. Install the

O-ring on the adapter piece.

2. Use the two new M8 Allen-head bolts to attach the solenoid

valve to the adapter piece. Use a 6 mm Allen-head tool to

tighten to 13-15 lb-ft (18-20 N폷m). Figure 4.10.

Figure 4.10

3. Lubricate the replacement seal and install it in Port 2 of the

solenoid valve.

4. Lubricate the large replacement O-ring and install it in the

groove of the relay valve supply port. Figure 4.11.

Figure 4.11

NOTE: Use Meritor WABCO-recommended lubricant.

5. Use the two M6 Allen-head bolts to attach the adapter to the

relay valve. Use a 5 mm Allen-head tool to tighten to 4-5 lb-ft

(6-8 N폷m). Figure 4.12.

Figure 4.9

4007849a

MOUNTING BOLTS

SEAL

O-RINGS

ADAPTER

SUPPLY

AIR LINE

ACTIVE

BRAKING VALVE

(SOLENOID VALVE)

TREADLE

AIR LINE

Figure 4.10

Figure 4.11

4007850a

MOUNTING BOLTS

12-13 FT-LB (18-20 N m)

•

SEAL

ADAPTER

O-RING

ACTIVE

BRAKING VALVE

(SOLENOID VALVE)

xxxxx xxxxx

1002044a

RELAY VALVE

SUPPLY PORT

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 97 98

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BENDIX M-21-M-22 ANTILOCK MOD ASSY Especificaciones Pagina 46

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