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A.
Ad
ju
sting cab le stop
B. Adjusting
wit
h
tachometer and manometer
1. Chock the wheels and apply the brakes
2. Selecl
position
"D"
3. Connecl a
revolution
counter
(a)
4. Connecl a
pressure
gauge (b)
c.
Meas ure pressure
(P)
at
500
r.p.m
.
d
. Meas ure
pressure
(P +R)
at
1000
r
.p
.m.
R.
Should
be 1.l
- 1.4
kg/cm
2
(15--20
Ib
./sq .in
.)*
C.
Adju
st
the cam
in
gearbox
c.
Accelerator
pe
dal in idlin
g
position
e.
Accelerator pedal fully depressed
a. the carbureitor
lever
i,s at the fullopen
stop.
b. the
lin
e pressure at converter sta
ll
speed
amounts
to
at
lea'
s t
160
Ib./sq.in.
(11
kg/cm
2 ).
B.
If the
cable stop
ha
s bee
n
damaged or moved,
the
sab le
must
be adjusted as
follow
s:
1.
Connect
at tachometer
to the engine and mano-
meter to the
1ransmissionas shown
in
Fig.
4-71.
2.
Chock
the wheels
'
a nd
apply
the
brakes. Start the
engine and move the
lever to liD".
Read off
the
pressure al"
500
and
1000
r.p.m. At
1000
r.p.m. the
pressure shoul,d
be
15-20
Ib
./sq.in.
(1.1-
1.4
kg
/cm
2
)*
higher than
at
500
r.p.m.
If
the
pressure
rise is less than
15
Ib./sq.in.
(1 .1
kg/cm
2 ),
the
effective
length
of the outer cable
shou
ld
be in
-
cr,
e ased by me'ans of the adjuster.
Conversely,
if
the rise
is
more than
20
Ib.j.sq .in
.
(1.4
kg/cm
2 )
the effective
length
of 'the oQuter cable
should
be
decrease,d.
N.B
.
On vehicles with an exhaust
emiss
ion
controi
system, it may be more
sui,
t able to measure
the
pres-
sure at 700 and
1200
r.p.m
.
The
pressure
increase
also
In
this
ease
shoul,d
be
15-
20
Ib
./sq .in
.
(l .l
-
l.L1
kg/cm
2
).
*
C.
If
a new cable has to be fitted, the transmission
oil
pa,n
must be removed
.
In this
event
it is often
simpler to adjust the cable by
obser~ing
the move-
ment of the cam in relation to accelerator pedal
movement as follows:
*
AS5-35 EN with effect from serial
No.
1829
:
25-30
p
.s.
i.
(1.8-2.1 kg/cm
2 ).
B
c
c
e
~~
~~~9
~
i
~~~9. ~~
Fig.
4-70.
Adjusting throttle cable
VO
LVO
2798
1
l.
With the
acce
lerator
pedal fully released and
the carburetor
lever
at the
idling
stop, the
heel
of the cam shoul,d conlact
t,he
full diameter of
the downshift valve,
with
all
the s
lack
of the
inn
er cable
taken
up.
2.
With
the accelerator
peda
l ful'ly
depressed and
the
ca rburetor lever at t he fu
ll
open
stop,
the
constant radius area of the cam should be the
point
'of
contact with
t,he
,downshift valve.
Note:
l
.
The cable
is pre-I ub
l1icated
with silicon or
molybdenum disulphide
lubricant
'and must
not
be oiled.
2. Ensure that O't
al,1
times the
outer
cable is
correctly
located
in the
O'djust'
e r.
Fig
. 4-71.
Con
nectin
g manometer
VOLVO
400062
4:
29
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