Husqvarna SM 610 2006 Workshop Manual page 210

L U B R IC AT IO N C IR C U IT
1 M A IN O IL P U M P
2 D R A IN O IL P U M P
3 C A R T R ID G E F ILT E R
4 C A M S H A F T
5 T IM IN G S Y S T E M A N D IG N IT IO N C H A M B E R
6 D O U B L E B A S K E T F ILT E R
7 P IS T O N /C O N N E C T IN G R O D C A G E /
S T A R T IN G G E A R C A G E
8 C R A N K S H A F T C H A M B E R
9 B A S K E T F IL T E R
10 G E A R S H IF T C H A M B E R
A : T O T H E C R A N K C A S E
B : T O T H E F IL T E R B O X
C : T O T H E F R A M E
2
L u b ric atio n s ys te m
T h e e ng ine lu b ricatio n is of th e force d typ e, w ith d u a l lob e pum p
lo ca te d insid e the R .H . cra nkca se cove r. T he in ne r d elivery pu m p
d e live rs oil suita ble filte red to th e rolle r cag e of th e con ne cting ro d
little e nd, to th e starting fre e w h ee l, to th e in n er sid e o f the p isto n
a n d to th e cam sh a ft. A fte r th ese ite m s ha ve be en lu brica ted , the o il
co m in g from p iston a nd from the cag e of th e con n ectin g rod little
e n d fa lls in th e lin ka ge ch am b er. T he oil com in g fro m th e fre e
w h e e l a nd fro m th e ca m sha ft falls in th e cra n kcase ch am b e r, ig ni-
tio n side , w he n it pa sses th rou gh th e d ou ble scree n filte r a nd re-
tu rn s to th e d elivery p um p . A ve nt fittin g on the c ylin de r he ad d eliv-
e rs o il va po rs in th e fra m e up pe r b e a m , w he re ta ke pla ce th e
se p a ratio n o f th e o il from the va po rs con ve yed re sp ective ly:
A . In the e ng ine blo ck thro ug h a fittin g con ne cted to th e fra m e
B . In the a ir filte r bo x th ro ug h a pipe .
A la m inatio n valve lo cate d be hin d th e d istrib utio n cha in op tim izes
th e o p e ratio n o f th e s yste m acco rdin g to th e m ove m en t of th e
p isto n .