Toro 500 EFI Service Manual page 92


NOTE: The adjuster shaft will be drawn into the ten-
sioner as the adjuster screw is rotated clockwise. The
adjuster shaft tension will be released in step 25.
24. Place the chain tensioner adjuster assembly and gas-
ket into position on the cylinder and secure with the
two cap screws.
25. Using a flat-blade screwdriver, rotate the adjuster
screw inside the tensioner counterclockwise until all
tension is released; then install the cap screw into the
end of the chain tensioner.
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26. Loosen the four adjuster screw jam nuts; then loosen
the four adjuster screws on the rocker arms in the
valve cover.
27. Apply a thin coat of Three Bond Sealant to the mat-
ing surfaces of the cylinder head and valve cover.
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28. Place the valve cover into position.

NOTE: At this point, the rocker arms and adjuster
screws must not have pressure on them.
29. Install the four top side cap screws with rubber wash-
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ers; then install the remaining cap screws. Tighten
only until snug.
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CC005D
CC275D