Vacuum Break Adjustment

Fig. 9 Blocking air bleed holes:

Prior to adjusting vacuum breaks, refer to Fig. 9 for air bleed hole blocking procedures.

Fig. 7 Choke valve angle gauge installation:

Fig. 10 Front vacuum break adjustment:

Front Unit
Install choke valve angle gauge tool No. J-26701 or BT-7704 as shown in Fig. 7.
With gauge installed, adjust vacuum break as outlined in Fig. 10. Adjust as directed to dimension listed in Adjustment Specifications.

Fig. 7 Choke valve angle gauge installation:

Fig. 11 Rear vacuum break adjustment:

Rear Unit
Install choke valve angle gauge tool No. J-26701 or BT-7704 as shown in Fig. 7.
With gauge installed, adjust vacuum break as outlined in Fig. 11. Adjust as directed to dimension listed in Adjustment Specifications.