Husqvarna SM 610 2006 Workshop Manual page 84

E N G IN E O V E R H A U L IN G
1 0
C a m ro lle r re p la c e m e n t
R e p la c e th e c a m ro lle r if, in c o n s e q u e n c e o f th e ra d ia l p la y im -
p ro ve m e n t (th e n e e d le b e a rin g p in is w o rn ), th e va lve p la y e x c e e d
0 .0 0 6 -0 .0 0 8 in ., b o th fo r th e in ta k e a n d e x h a u s t s id e s .
T h e p in o n th e n e w ro ll b e a rin g a ssu re s th e ro ll co n ta ct w ith th e rin g a n d
m a ke s e a sie r th e p in in se rtio n d u rin g a sse m b ly. H o ld th e ro lle r w ith n e e d le s
in p la ce in th e ro cke r a rm a n d m o u n t th e ro lle r sh a ft. U se a vise . B e ca re fu l
so th a t th e ro cke r a rm isn t d a m a g e d . L o ck th e ca m ro lle r sh a ft w ith a ce n te r
p u n ch fro m e a ch sid e .
C a m s h a ft
C h e ck th a t ca m su rfa ce s a re sco re d , ste p p e d , g ro o ve d e tc. E xce ssive ly w o rn
ca m s a re o fte n th e ca u se o f b a d e n g in e tim in g th u s re d u cin g e n g in e p o w e r.
In se rt th e ca m sh a ft b e tw e e n tw o re fe re n ce s a n d th e n ch e ck d e via tio n u sin g
tw o co m p a ra to rs. W e a r lim it: 0 .0 0 3 9 in .
- M e a su re th e ca m h e ig h t H w ith a m icro m e te r.
- H (n e w )= 1 .3 1 5 in . fo r th e in ta ke ; 1 .3 0 7 in . fo r th e e xh a u st.
- W e a r lim it: 1 .3 0 3 in . fo r th e in ta k e ; 1 .2 9 5 in . fo r th e e xh a u st.
S : E X H A U S T
A : IN T A K E