Governor; K482 Governors - Kohler K482 Service Manual

The 2 cylinder engines a r e equipped with c e n t r i f u g a l flyweight type mechanical governors which
a r e e x t e r n a l l y mounted a t t h e r e a r of the gear cover and driven off the camshaft gear.
a r e s e l f - c o n t a i n e d u n i t s except models p r i o r t o S e r i a l No. 9224060 which were l u b r i c a t e d through an
e x t e r n a l o i l l i n e which connects the engine l u b r i c a t i o n system t o t h e governor.
G o v e r n o r s a r e a d j u s t e d in the f a c t o r y a n d f u r t h e r a d j u s t m e n t should not b e needed u n l e s s linkage
b e c o m e s l o o s e o r d i s c o n n e c t e d .
If g o v e r n o r is o u t of a d j u s t m e n t , engine s p e e d will s u r g e o r hunt with changing load o r s p e e d
f r e e l y .
w i l l d r o p c o n s i d e r a b l y when a n o r m a l load is a p p l i e d .
ing s p e e d l i m i t s - - t h e s e m u s t not b e e x c e e d e d .
Although m e c h a n i c a l t y p e g o v e r n o r s a r e u s e d on a l l two c y l i n d e r m o d e l s , t h e K662 g o v e r n o r s a r e
d i f f e r e n t i n d e s i g n a n d t h e r e f o r e t h e a d j u s t m e n t p r o c e d u r e v a r i e s s l i g h t l y .
a c o n s t a n t s p e e d s e t t i n g o r a t a v a r i a b l e s p e e d s e t t i n g a s d e t e r m i n e d b y t h e engine a p p l i c a t i o n .
s u r e t h e p r o p e r p r o c e d u r e i s followed f o r t h e p a r t i c u l a r engine involved.
On t h e K482 a n d K532, t h e b r e a k e r p o i n t s a r e m o u n t e d o n t h e g o v e r n o r a n d a r e a c t i v a t e d b y t h e
b r e a k e r r o d which r i d e s o n a c a m o n the g o v e r n o r d r i v e shaft.
t h i s g o v e r n o r t o t h e engine.
b e done a g a i n u n l e s s g o v e r n o r h a s b e e n r e m o v e d f r o m t h e engine.
I n s t a l l a t i o n a n d T i m i n g :
Uncover i g n i t i o n t i m i n g s i g h t hole on blower housing and a l s o r e m o v e s i g h t hole plug
1.
l o c a t e d a t t o p of g e a r c o v e r .
2 . T u r n e n g i n e o v e r until Top Dead C e n t e r ( D C ) m a r k o n flywheel i s c e n t e r e d i n ignition
One of t h e t e e t h o n the g o v e r n o r g e a r h a s a s p e c i a l t i m i n g b e v e l o r d e e p c h a m f e r - - t u r n
3 .
g e a r s o t h a t t h i s tooth i s i n the a p p r o x i m a t e 12 o ' c l o c k p o s i t i o n o r w h e r e i t c a n be o b s e r v e d
i n the g e a r c o v e r s i g h t hole a f t e r g o v e r n o r i s i n s t a l l e d ( S e e F i g u r e 5 - 1 ) .
T I M I N G S I G H T

GOVERNOR

Always m a k e s u r e linkage b e t w e e n g o v e r n o r and c a r b u r e t o r m o v e s
T h i s i s i n i t i a l l y done d u r i n g a s s e m b l y of t h e engine a n d i t w i l l not h a v e t o
U s e the following p r o c e d u r e t o i n s t a l l a n d r e t i m e the g o v e r n o r t o the engine:
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FIGURE 5-1 T I M I N G K482, K532 GOVERNOR TO ENGINE
G o v e r n o r s a l s o function t o e s t a b l i s h s a f e o p e r a t -
F o r t h i s r e a s o n , i t i s n e c e s s a r y t o t i m e
5.1
The governors
G o v e r n o r s a r e s e t a t e i t h e r
Make