2008 Arctic Cat ATVs factory service and repair manual, Page 228Get this manual
WNOTE: The adjuster shaft will be drawn into the tensioner as the adjuster screw is rotated clockwiseThe adjuster shaft tension will be released in step 24 23Place the chain tensioner adusterassembly and gasket into position on the cylinder and secure with the two cap screws
25Loosen the four adusterscrew Jam nuts; then loosen the four aduster screws on the rocker arms in the valve cover
26Apply thin coat of Three Bond Sealant to the mating surfaces of the cylinder head and valve cover
27Place the valve cover into positionmNOTE: At this point, the rocker arms and adjuster screws must not have pressure on them