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Craftsman 17.5 hp 42 in. Deck Lawn Tractor - CA Model - Page 7 Questions & Answers
What are the head bolt torque specifications for a briggs and stratton 31C707 engine?
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Torque Head Bolts
Since I do not have a way to send you a picture, I will describe the
sequence. With the cylinder head in a position where there are two holes on
your left and an open, blank, space on your right in the vertical surfaces
(you might want to make a sketch of this) - I will give the sequence going
in a clockwise direction. The open blank space I refer to is in the pushrod
gallery area.
No. 1 is in the center of the side closest to you. Number the holes 1 thru 7 going clockwise.
Tightening sequence - 1, 3, 6, 8, 5, 2, 4, 7.
Torque to 220 inch lbs. Tighten first round to 75 inch lbs next step to 150
inch lbs next to 200 inch lbs, then final step to 220 inch lbs. and recheck.
Tighten all bolts in sequence to whatever figure you are using.
My lawm mower dont cut evenly
need to adjust deck side to side height and front to back height. this is usually in the owners manual. just search for your model number and you should be able to find it. if you cant, let me know and i will see if i can.
Valve settings
Most valve clearances for b&s are about a sheet of papers thickness. If you would like exact measurement, get me the model number of the engine and I will attempt to find it for you.
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