Carburetor Adjustment; Belt Replacement - Crown WBT36 Operator's Safety And Service

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See Graphic 13
WARNING: Remove the drive belt before making any adjustment to the
carburetor. See Belt Replacement. The blades will engage unless the belt is
removed from the machine.
The pilot screw (a) is fitted with a limiter cap to prevent excessive enrichment of the air-fuel
mixture in order to comply with emission regulations. The mixture is set at the factory and no
adjustment should be necessary. Do not attempt to remove the limiter cap. The limiter cap
cannot be removed without breaking the pilot screw.

5.8 Belt Replacement

See Graphic 14
The trowel is equipped with a self-adjusting clutch. This clutch automatically tightens the belt
and compensates for belt wear. Replace the belt if the clutch can no longer tighten belt enough
to engage gearbox without slipping.
To replace the drive belt:
5.8.1 Disconnect the spark plug lead.
WARNING: To avoid accidental starting of the engine, always disconnect the
spark plug lead before working on machine.
5.8.2 Loosen the screws (d) and remove the belt guard (c).
5.8.3 Slowly turn the pulley (b) and roll the belt (a) off.
Note: The clutch and the pulley are aligned at the factory and neither should be removed
during belt replacement.
5.8.4 Install the new belt.
5.8.5 Reattach the belt guard with washers and screws. Torque screws to 5 Nm (3.7 ft·lbs.)

5.7 Carburetor Adjustment

Graphic 13