Retorque head bolts – Sears 580.768050 User Manual
Page 15
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
•
Reattach the valve cover making sure the gasket
between the valve cover and cylinder head Is in
place. Start all four screws before tightening or 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 bolts to 4.0 kg.-m. (22 ft.-lbs.)
Important: If you feel uncomfortable about doing this
procedure or you don’t have the proper tools, 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 adjustment after first 50 hours
of operation. The head bolts will need no further
adjustment.
•
Remove the four (4) screws from 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).
15