lynn_florida
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Can anyone give me the tightening sequence and torque settings for head bolts on this model of yanmar its the 3 cylinder diesel thanks /forums/images/graemlins/confused.gif
yanmar ym2610
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buppy69
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Start in the center work outward in a clockwise direction. For specs, post this at the Yanmar site.
Eugene
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RoyJackson
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"Start in the center work outward in a clockwise direction"
I'd suggest you strart at the center, then work a criss-cross pattern...that is, torque one bolt near the center, then torque the bolt across the head. Work out from the center in both directions. I hope I made that clear enough.
This pulls the head down evenly.
Also, suggest you do a progressive torque. That means the first torque should be ~ 30%-40% of the finish torque value, the 60%-70%, then the final torque
I'd suggest you strart at the center, then work a criss-cross pattern...that is, torque one bolt near the center, then torque the bolt across the head. Work out from the center in both directions. I hope I made that clear enough.
This pulls the head down evenly.
Also, suggest you do a progressive torque. That means the first torque should be ~ 30%-40% of the finish torque value, the 60%-70%, then the final torque
MikePA
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