Lesson 3/Learning Event 1
To remove the carburetor and throttle controls, use the following steps.
Step 1.
Remove the two screws and remove the front throttle housing cover and gasket.
Step 2.
Spread the control rod clevis from the throttle lever.
Step 3.
Remove the screw and disconnect the throttle lever from the shaft.
Step 4.
Remove the clamp from the governor rod housing hose.
Step 5.
Remove the fuel line from the carburetor.
Step 6.
Remove the two screws and remove the air cleaner elbow duct from the carburetor.
Step 7. Remove the two carburetor mounting nuts and remove the carburetor and gasket
Remove the rear cover and gaskets from the throttle housing.
WARNING
Dry-cleaning solvent, used to clean parts, is potentially dangerous to
personnel and property. Avoid repeated and prolonged skin contact. Do
NOT use near open flame or excessive heat. Flash point of solvent is 100€ F.
138€ F./38€ C. -60€ C.
After the procedures above have been accomplished, clean the carburetor. Clean it with dry-
cleaning solvent and dry it with low-pressure filtered air. When the carburetor is clean, inspect it
by performing the following steps.
Step 1. Inspect the carburetor body for cracks, breaks, evidence of leakage, stripped or
damaged threads, or other damage.
Step 2. Inspect the throttle rod and connectors, butterflies, and bushings for cracks, breaks,
wear, and ease of operation.
Step 3.
Inspect the adjustment screws for stripped or damaged threads, and bent or broken
ends.
Step 4.
Inspect to see that all the plugs are tightened and not leaking.
Step 5.
Inspect the throttle mounting plates for cracks, breaks, or other damage.
Step 6.
Inspect the throttle control for proper operation.
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