Kohler Command Pro CV980 - Manual (Page 86)

8.10
Section 8
Disassembly
Remove Valve Covers
1. Remove the screw and grommet securing each
valve cover.
2. Remove the valve cover and gasket from each
cylinder head. Note the locations of individual
ŸŠ•ŸŽȱŒ˜ŸŽ›œȱ’ȱ‘Ž¢ȱŠ›Žȱ’쎛Ž—ǯȱŽŽȱ’ž›ŽȱŞȬřŞǯ
Figure 8-38. Removing Valve Covers.
Remove Cylinder Heads and Hydraulic
Lifters
ȱ ŗǯȱ ˜˜œŽ—ȱ‘Žȱ’——Ž›ȱœŽȱœŒ›Ž œȱŠ—ȱ‹ŠŒ”ȱ˜ěȱ‘Žȱ
rocker arm adjusting nuts.
2. Remove the pipe plug from the cylinder head to
access the screw in the center location. See Figure
ŞȬřşǯ
Figure 8-39. Removing Pipe Plug.
ȱ řǯȱ Ž–˜ŸŽȱ‘Žȱ꟎ȱ‘Ž¡ȱ̊—ŽȱœŒ›Ž œȱœŽŒž›’—ȱŽŠŒ‘ȱ
cylinder head. Note the locations of washers and
‘Žȱœ™ŠŒŽ›ǯȱŽŽȱ’ž›ŽȱŞȬŚŖǯ
Figure 8-40. Removing Cylinder Head Fasteners.
3. Mark the position of the push rods as either
’—Š”Žȱ˜›ȱŽ¡‘ŠžœȱŠ—ȱŒ¢•’—Ž›ȱŗȱ˜›ȱŘǯȱȱžœ‘ȱ
rods should always be reinstalled in the same
positions.
4. Carefully remove the push rods, cylinder head,
Š—ȱ‘ŽŠȱŠœ”ŽœǯȱŽŽȱ’ž›ŽȱŞȬŚŗǯ
5. Repeat the procedure for the other cylinder head.
Figure 8-41. Removing Cylinder Head Assembly.
ȱ Ŝǯȱ Ž–˜ŸŽȱ‘Žȱ•’ĞŽ›œȱ›˜–ȱ‘Žȱ•’ĞŽ›ȱ‹˜›ŽœǯȱœŽȱŠȱ
¢›Šž•’Œȱ’ĞŽ›ȱ˜˜•ǯȱ˜ȱ—˜ȱžœŽȱŠȱ–Š—Žȱ˜ȱ
›Ž–˜ŸŽȱ•’ĞŽ›œǯȱŠ›”ȱ‘Žȱ•’ĞŽ›œȱ‹¢ȱ•˜ŒŠ’˜—ǰȱŠœȱ
either intake or exhaust and cylinder 1 or 2.
¢›Šž•’Œȱ•’ĞŽ›œȱœ‘˜ž•ȱŠ• Š¢œȱ‹Žȱ›Ž’—œŠ••Žȱ’—ȱ
‘ŽȱœŠ–Žȱ™˜œ’’˜—ǯȱŽŽȱ’ž›ŽœȱŞȬŚŘȱŠ—ȱŞȬŚřǯ
DZȱ ‘ŽȱŽ¡‘Šžœȱ•’ĞŽ›œȱŠ›Žȱ•˜ŒŠŽȱ˜—ȱ‘Žȱ
˜ž™žȱœ‘ŠĞȱœ’Žȱ˜ȱ‘ŽȱŽ—’—Žȱ ‘’•Žȱ‘Žȱ
’—Š”Žȱ•’ĞŽ›œȱŠ›Žȱ•˜ŒŠŽȱ˜—ȱ‘ŽȱŠ—ȱœ’Žȱ
of the engine. The cylinder head number
is embossed on the outside of each
Œ¢•’—Ž›ȱ‘ŽŠǯȱŽŽȱ’ž›ŽȱŞȬŚřǯ
Pipe Plug
Spacer
Washers