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w
lJ
~
w
Q.
Fig. I
Frg. Ill
ENGINE
CARBURETTOR
·
XM
AND
XM
7 ENGINES
Oll~r
Fig. II
/
-@
Fig.
IV
ADJUSTING THE IDLING
WARNING
· The 1gn1t1on system must be
in
good
condition and
the
timing set
perfectly.
·
The
engine
must
be
warm
(fan engaged).
·
The
exciter
wire
(n°
8)
must be disconnected
from
the
alternator.
- Use
a
rev-counter.
- Act on the stop screw
(Z)
o obtain an ena1ne
speed of approx1rniltely
860 r.p.m.
-
Increase 1he engine speed as much as possible by
acting
on the m1x1ure
screw
(W).
Bring the engine spend b;.ick to 860 r.p.m.
t>Y
acting on
stop
scri•w
(Z).
- Repeat
these
opera11ons unlil the maximum en91ne
speed obta1nahle
w11h
the mixture s r
w.
re;
860
r.1>.m.
- Screw in the screw
(W)
until the engine speed
drops to
800
r p.rn. without upsetting the rcgula
rity of rhP
1dli11~.
XM
U.S.A.
ENGINE
Set
tlw·
1dl 1ng c11 800 r .p.m. bur by obta111ing
an eng1no
speed of
825
r p.rn. for
"
1969" 504
(
1
carb11rettorl
860
r.p.m.
for
"
1970" 504
1_
.<rt
Jre1tors)
vt>er
di
'lf'Q
-:>n 1h
r p screw
(Z).
WARNING
· The setting of the screw situated 1ust
cibove
the mixture
screw
(W)
must
never
be
altered.
•
The
setting of the second carburettor must never
be
altered.
ADJUSTING THE FAST IDLING
(US)
Disconnect the lead from the
electronic control
box t
o
obtain
the
fast
idling.
WARNING
J:.arthmg
of
lead
11°
83
(feed
to
the
electr<H'flfreJ
will
immediate(~·
destrm•
the control box.
504 "1969"
(
1
cadi1
1
ttorl
fig
Slacken
1he
lock
11111
(1).
Ad1us1 rhe
nut
(2)
1u ubta1n
;m engine speed of
1.400
r p.m.
504 "1970"
(2
caruurcttors)
fig.
II.
Remove the cap
(3).
Slackt
1
n the l0<k nut
(4).
Adjust the
alien s<
rPw
(5)
to
o
t1tain
an 1.mg1nc
speed ol
1,
500
r
,p.111
V\hen the lead 1s rP. onnec1ed 10 the control bol<
(fig. Ill or 119, IVl the engine sµeed should dro1>
to 800
1
.µ.m.
2.73
...._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
WWW.
!::ii
CJ Cl. .OrG
Sup•r
edH
page
12 01
•nd
12 02,
clu1
I
1212 E
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