Craftsman 580.768050 Operator's Manual page 15

• Reattach the valve cover makingsure the gasket
between the valve cover and cylinderhead is in
place. Start all four screws before tighteningor you
will not be able to get all the screws in place.
• Reattach the breather tube.
• Reattach the spark plug wire to the spark plug.
Retorque Head Bolts
After the first 50 hours of operation,you must retorque
the head boltsto 4.0 kg.-m. (22 ft.-Ibs.)
Important: If you feel uncomfortableabout doing this
procedure or you don't have the propertools, please
take your cleaning system in to the nearest service
center to have the valve clearance adjusted. This is a
very important step to insure the longest life for your
engine.
Note: Only perform this adjustmentafter first50 hours
of operation. The head bolts will need no further
adjustment.
• Remove the four (4) screwsfrom the valve cover.
• Remove the valve cover and gasket.
• Torque the bolts to 4.0 kg-m (22 ft-lb).
• Torque sequence is as follows: A, B, C, D, E (star
pattern).
A
c
jE
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