Kohler K91 Service Manual page 131

Figure 1 2-40. Installing Valves - K91 , K 1 6 1
A n d K 1 8 1 .
On Models K24 1 , K30 1 , K32 1 and K34 1 , install
the valve spring upper retainers , valve springs
(close coils to top) , intake valve spring lower
retainer, exhaust valve rotator or retainer, and
valves . Refer to Figure 1 2-41 .
Fig u re 1 2-41 . Install i n g Valves - K241 , K30 1 ,
K32 1 A n d K341 .
NOTE : Some models use a valve rotator on both
valve s .
1 2 . 1 4
Compress springs using a valve spring com­
5 .
pressor and install keepers. Refer to Figure
1 2-42 .
Valve Spring
Compressor
Figure 1 2-42. I nstalling Valve Keepers.
INSTALL STATOR
1 . On flywheel-magneto ignition systems, the
magneto coil-core assembly is secured in sta­
tionary position on the bearing plat e . On the
magneto-alternator syst em s , the coil is part of
the stator assembly which is also secured to
the bearing plate. Permanent magnets are af­
fixed to the inside rim of the flywheel except in
rotor type magneto systems. On these the
magnet or rotor has a keyway and is press
fitted on crankshaft . The magnet rotor is
marked .. engine-side " for proper assembly.
2 .
After installing magneto components, run all
leads out through hole provided (in 1 1 o ' clock
position) on bearing plate.
I NSTALL FLYWHEEL, GRASS S CREEN,
AND DRIVE CUP OR ROPE START PULLEY
A
WARNING:
Damaging Crankshaft and
Flywheel Could Cause Personal lnJuryl
Using improper procedures to install the flywheel
can crack or damage the crankshaft and/or flywheel.
This not only causes extensive engine damage, but
also is a serious threat to the safety of persons
nearby, since broken fragments could be thrown
from the engine. Always observe and use the fol­
lowing precautions and procedures when installing
the flywheel:
NOTE :
A : Before installing the flywheel , make sure the
crankshaft taper and flywheel hub are clean