JLG E450A, Service And Maintenance Manual, Page: 92 / 480

SECTION 3 - CHASSIS & TURNTABLE
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NOTE: If the end cover has a valve (24) or has five bolt holes, use
the line you previously scribed on the cover to radially align
the end cover into its original position.
20. Assemble the bolts (1) and screw in finger tight. Remove
and replace the two alignment studs with bolts after the
other bolts are in place. Alternately and progressively
tighten the bolts to pull the end cover and other compo-
nents into place with a final torque of 25-30 ft. lbs. (34-
41 N m).