Valmet 309 - Page 35

Plstoo
rlng
helgh+
(ln
dlrec+lql of
cyllnder):
-
ls+ r
Ing
-
2nd r
Ing
-
frd
r Ing
Plsion rlng
gap
(l,lih
pls+on
ready fl++ed
In cyllnder):
-
conpress
ion
r I ngs .
.
. . . . . . . . .
-
oll r
In9
-
reject
llmlt
[4ax
pernlsslble
welghf dlfference bstreen
pls+ons
In sane englne
Plsion +o be
hea+ed up to l00oc before
Jltilng
pls+on pln.
Pls+on poslflon
In cyllnder: cDmbustlon chambei of
plsfcn
to
facs
towards
lnjector.
connectlng rod
509
Inslde
d lameter of
pls+cn pln
bush
(when
bush
pressed
ln+o connec+lng
rod)
.'..........
ouislde
d
lameter
of
Dlsicn oln
bush
(siandard)
.............
Ou+side
d
lameter
of
plston
pln
bush,
overslze 8J6O
18605
...'....".
Connectlng rod small end bore
..,.....
Connectlng rod small
end bore
(overslze
bush)
.........
Connec+lng rod blg end bore
. . . . , . . .
. . . .
Tlghtenlng
+orque of
connec+ln9
rod bsarlng
cap screHs
5
,
4
,
6tl
lnslde
d lame+er of
D
ls'fon
pln
bush
(when
bush
pressed
in+o
connec+lng
rod)
............
ouislde
d lanetei of
plston
pln
bush
(siandard)
.............
Oulslde d lameter
o{
plsion
pln
bush,
overslze 8J53
24326
...........
connoc+
Ing rod sma
|
| end
bore
.. . . . . ..
Connect
lng rod small end
bore
(overslze
bush)
'.......'
Connec+lng
rod blg end
bore .. .
. . . . . , . . .
Tlghtenlng
irque of conneciing
rod
bearlng cap screis
612
lnslde
d lameier
of
olston
pln
bush
(when
bush
pressed
lnto connoc+lng
rod)
.....'...'..
Ouislde
d lame+er of
pls+oo
pln
bush
(standard)
.............
ouistde d lamoler
of
plsion ptn
bush, overslze
8161
18606
Connecfing rod small end bore
........
Connec+lng rod small
end bore
(overslze
bush)
......'..
Connec'tlng rod bl9 end
bore
. . . . . . . . . . .
.
Tlgh+enlng
+q'que of connec+lng
rod
bearlng caP screls
Clearance
ai
blg
end
bearlng
.........
Connocflng rod end
play
on crankshaf+
(ln
dlrectlon
of crankshaff axls)
...........
}ialghi ls stamped on
blg end of connectlng
rod.
Max
pq-mlsslble
welgh+
dlfferenca
between
connecilng
rods In saiE englne
Connecflng
rod
posl+ionr ordlnal
nunber towards
valve mechanlsn
(combusilon
chamber of
plslon
on opposlie
slde).
2,474...2,490
2,97a. ..2,9q
4,974...4,99O
0,4...0,6
0,3...0,45
t,0
259
36
,025
. . .36
,O40
(
56,050)
40,060...40.076
40, 580. .. 40,
620
40,000...40,025
(
40,040)
40,5@,..40,525
6'
,'t
30.
. .65
,
7 49
| 65
,77O
'90 Nm
40,025...40,040
(
40,050 )
44,0A2...44,12O
44
,5@.
..44,620
44
,0OO...44
,O25
(
44, 0il0
)
44,500,..44,525
7t,73O...71
,149
(11,1101
90 Nm
44,O2r...44,O4O
(
44,050)
48,080...48, |
20
48, 580. . .48,620
48, 000..
.48,025
(48,040)
48,5UJ...44,525
76,13O...76.149
t16,770'
see lnsiructlons,
polni
4
2
J
0,046...0,098
o,2o0...0,512
20s
4-2