Vanguard BIG BLOCK M540000, Repair Manual, Page: 69 / 168

Anti-Afterfire Solenoid
1. Disconnect the wire harness connector from the anti-
afterfire solenoid.
2. Unscrew the anti-afterfire solenoid from the carburetor
bowl by turning the solenoid in a counter-clockwise
direction.
NOTE: Wrap the solenoid with a shop towel to capture any
spilled fuel. Dispose of fuel in an appropriate receptacle.
Mixer and Spacers - Gaseous
1. Disconnect the valve cover breather from the spacer.
2. Disconnect the fuel feed line from the mixer by squeezing
the tangs of the clamp and sliding the clamp away from
the mixer. Remove the fuel line from the carburetor port
using the Fuel Line Removal Tool. See SECTION 3 -
TROUBLESHOOTING - Special Tools List .
3. Remove the air cleaner base to support bracket
fasteners.
4. Remove the 4 air cleaner base plate and mixer shield
fasteners.
NOTE: Depending on the configuration of your engine, the
air cleaner base may be attached with 4 bolts or 2 bolts and 2
studs with nuts.
5. Remove the air cleaner base and set aside. Discard old
gasket.
6. Disconnect the governor link rod and spring from the
throttle lever. Release the link rod clip, release the
spring, and remove the link rod from the throttle lever
bushing hole.
7. On engines equipped with a Stepper Motor , disconnect
the governor link from the stepper motor by removing the
clip from the clevis.
8. On engines equipped with the optional Actuator ,
disconnect the actuator link and spring from the throttle
lever. Release the clevis clip, release the spring, and
remove the end of the actuator link from the bushing hole
of the throttle lever.
NOTE: The actuator assembly is attached to the support
bracket. To remove the actuator from the engine, remove the
fasteners between the actuator and the support bracket.
9. On vertical-mounted mixers, remove the spacer from
the mixer or stepper motor bracket (if equipped). Discard
old gasket. See Figure 77.
77
10. On horizontally-mounted mixers, remove the 4 intake
elbow fasteners. Remove intake elbow and discard old
gasket. See Figure 78.
78
11. Remove the stepper motor and bracket (if equipped).
Discard old gasket.
12. Remove mixer assembly from intake manifold. Discard
old gasket.
13. On vertically-mounted mixers, remove the insulator
spacer from the intake manifold. Discard old gasket.
70 vanguardpower.com