Husqvarna SM 610 2006 Workshop Manual page 83

E N G IN E O V E R H A U L IN G
In s p ec tio n o f ro ck er a rm
C h eck the clea ran ce be tw een the rocke r arm an d th e ro cke r a rm
sha ft. M ea sure th e inn er diam ete r of the ro cker arm (2 ) a n d th e
ou te r dia m ete r o f th e rocker arm sha ft (1 ) and accu ra te ly d e te rm in e
th e clea ran ce. M axim u m clea ranc e 0.0 4 in.
If gre ate r, re pla c e the tw o rocke r arm b ushings.
C h eck tha t the p ivo t is n ot w orn ; in this case, replace it.
U se a 6 m m scre w to p ush out the sh afts (1) of th e ro cke r a rm s (2 ).
R e m o ve the ro ck er a rm s.
C h eck the ro cke r arm s fo r cracks.
A lso che ck th e cam ro llers (3). T h e y m ust be inta ct a n d w ith o u t p la y
(se e pa g e G .2 5 ).
C h eck va lve a djuste rs w e ar.
R e p la ce m e n t o f ro ck e r arm b u s h in g
If the ro cke r a rm bu shin gs nee d re p la cem ent, rem o ve th e m w ith a d rift. P u t in n ew
bu shing s u sin g a h ydra u lic pre ss o r a vise w ith flat sid e s.
R e am th e bu shin gs w ith re am er after th e installatio n .
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