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LAB #9Valve Head replacement
• Insert the valve. Make sure that the cap goes on the intake valve.
• Insert the springs.• Insert the keeper.
Valve Spring
• DO NOT LOOSEN OR REMOVE THE ROCKER ARM. Push the rocker arm into place.
Head Gasket
• If the head gasket is in good condition. Carefully place the head gasket onto the block.
Cylinder Head
• Carefully install the cylinder head onto the engine block.
• With a 10mm socket snug the four bolts holding the head onto the block.
Torquing Head
• Using an inch pound torque wrench, tighten the head bolts using the three step method
• outlined below:• First step - tighten the head bolts to 75 in. lbs.• Second step - tighten the head bolts to 150 in. lbs.• Third step - tighten the head bolts to 220 in. lbs.
Push Rods
• Install the push rods into the slot in the cylinder head. On the back side of the rocker arms. Making sure you seat it in the valve tappet.
• Rotate the crankshaft so you can get the rocker arm installed on the push rod.
Valve Cover Gasket
• Carefully install valve cover gasket make sure it is not ripped.
Install Valve Cover
• Install valve cover.• Make sure the flange on the is on the same
side as the armature.
Valve Cover• With a 10mm socket and using the x
tightening sequence, tighten the four valve cover bolts. Torqued to 100”#