Husqvarna SM 610 2006 Workshop Manual page 86

E N G IN E O V E R H A U L IN G
C ylin d e r
T h e c ylin d e r lin e r bo re sho uld b e c om p lete ly sm o oth , w ith ou t g ro ovin g o r
sco rin g . T o o b ta in the tap er an d th e ova lity of the cylin de r line r b ore take
m e a su re m e n ts a t th re e diffe re nt h eig hts a nd in tw o p ositio n at 90 ° to ea ch
o th e r.
M a x ta p e r (w e a r lim it):0 .00 19 in .
M a x o va lity (w e a r lim it): 0.0 01 9 in.
If th e w e a r lim its are gre a te r th a n th o se p rescribe d, the n rep lace th e cylin de r
lin e r w ith th e p iston ; re -b o rin g is n o t p ossible sin ce th e c ylind er lin e r ha s
b e e n g ive n a sp e cia l h a rd e nin g tre a tm e nt.
P is to n d ia m e te r
M e a su re th e p isto n dia m e te r D p a t a d istan ce B , 14 m m / 0.5 5 in., fro m the
b a se .
T h e co n n e ctio n p la y w ill b e = D c-D p .
G u d g e o n p in
T h e g u d g e o n p in sho uld b e p e rfe c tly sm o o th w itho ut sco ring , g roo vin g or
b lu ish d iscolo ra tio n cau sed b y ov e rh e atin g. If it is ne cessary to re place th e
g u d g e o n p in th e n th e sm all e nd b ush in g sho uld a lso be ch an ge d.
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