Valmet 611 - Page 23

Cr$s-s€st lon ot
cyl
Indor
haad
l. Valve
gul
de
2.
Yalve
seoi
5. InJectcr s
leeve
4.
O-rlng
sea
ls
The
lnlet vclve
guldes
and exhousi volve
guldes
(l)
are rep
loceable and lnterchang€ab 16. Hlgh-
porer
-turbocharged
5ll and
4ll
englngs
and all
6ll and
612 englnes
have separate,
replaceablE
valve s€af
rlngs
(2).
The InJectors a.e
gncompassgd
In o rep
laceab 19 copper sle€ve
(5)
surrounded
by coolant. Thls tloans the b€si
posslble
cool Ing of tt|9 lnJectd-s.
3-5