1
FIGURE
9-16 --
INSTALLING
VALVES
WITH
COkPRESSOR
1
FIGURE
9-17 -- PLACING
MAIN
BEARING
UPPER HALF
VALVES: Reinstall each valve to the seat to which it has been lapped in then place spring and spring
guide and compress with spring compressor tool.
Instab taper lock then release compressor. Make
sure intake and exhaust valves and springs are not mixed.
Intake and exhaust valves are almost identical
on the L6OO although the exhaust valve head is slightly smaller in diameter.
The valves are, normally
identified by IN or EX marking on the lower side’ of the valve head.
Valve springs must remain tagged
until installation to avoid mix up.
Reinstall valve rotators in place of spring guides if these are used
on exhaust valves.
Stainless steel springs and rotators are generally used on marine plants.
CRANKSHAFT: Position main bearing upper halves in crankcase.
Front and center main bearings are
4
Identical, make sure correct bearing is used for rear main.
Align timing marks on cam and crankgears
then carefully guide crankshaft into position on bearing in crankcase.
Position bearing lower halves in
caps and reinstall main bearing caps to crankcase.
Tighten capscrews to 50 lbs. torque value then safety
lock screws together with wire.
Crankshaft end play is permanently established by thrust surfaces on
main bearing caps and journals--adjustment is not required.
Install cork gaskets on main bearing cap.
4
FIGURE
9-18 -- TIGHTEN
BEARINGS TO
PROPER TORQUE
FIGURE
9-19 --
To Next Page
Loading...
