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25
Fuel Mixture
TESTING AND ADJUSTING
SPECI FICATIONS
(1 9 7 6
to
1
9 8 0
Mod
e
I
s)
Test Step
Test/
Adjust
Specifications
Electric fuel
pump
Delivery rate
at least 750
cc in
30
sec.
Control pressure
Diagram
for warm-up regulator
"cold"
Part No.
063
133 403
(at ambient
temp.)
Bosch No. 0438.
140.011
bar
I
I
I I I
I
I
{kp/crrl)
I
I
I
I
I
I
2,5
I
I
I
·~
·
•»
I
I
('"(
.
. ··
-~
2,0
I
·~. ~·
/•
x
~~·
lt$BJ
II
1,5
"'·
ll~
1,0
I
I
I
I
I
I
I I
I I
I
I
0,5
o•
10•
20°
30•
40°
Control pressure
"warm"
3.4 to 3.8
bar
System pressure
Test value
4 .5
to
5.2
bar
·
Adjust
value
4
.7 to
4 .9
bar
Leak test
Pressure
Pressure
(engine warm)
accumulator accumulator
20 cc
40
cc
minimum
after
10
minutes
1.3
bar
2.0
bar
20 minutes
1
.1
bar
1.7 bar
Fuel
injectors
Opening
pressure
2.5
to 3.6 bar
25
-
4
Testing and
Adjusting Specifications
924
Special
Instructions
·c
Printed
in Germany
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