7-3
17. Remove the crankcase breather cover plate, reed
valve and limit plate. NOTE: The reed valve is
notched. This notch must face the cylinder head side
of the engine for proper function. (Illust. 7-7)
19. Remove the camshaft and lifters. It is not necessary
to mark the lifters as to their original location.
20. Before removing the connecting rods and pistons,
scribe a mark on both the connecting rod and rod
cap of the assembly nearest the PTO side. This
marking will aid in reassembly, assuring the correct
rod cap is mated with the correct rod and cylinder
bore. (Illust. 7-9) Also remember to remove any
carbon build-up from the top of the cylinder bore
before piston removal.
7-9
21. Use a 670330 seal protector on the flywheel end
crankshaft seal, and remove the crankshaft.
NOTE: Removal of one piston and connecting rod
assembly must be accomplished before the crankshaft
can be removed.
7-8
Also note the breather element. It consists of three
sections separated by blue lines. These lines must
be in a vertical position when installed into the
breather cavity.
18. Using a 670330 seal protector remove the cylinder
flange cover/sump with the oil pump in tact. The
crankshaft must be free of rust or scale to slide the
flange cover/sump over the crankshaft. (Illust. 7-8)
7-7
NOTCH
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