1982 VOLVO 940 Service Repair Manual

(
ENGINE B 230 K 1987-
Pierburg 2 B 7 carburettor
45/130
140
(pressed
in cover)
47,5/115 140
142,5
70019401960 Specifications
Section 2 B 200, B 230 Eng ines
I ----. -----, Max Idle speed
Cam No.6
- +
~
~~~iiiiI" •• .J Automatic , . ............. 5.6 mm Manual .................. 5.0 mm
65 (pressed in cover)
100
136782
Carburettor
designation
..... ....... 7.17952.51
PIN .................. 1 357 108-8
Float le v e l
143982
• Spring-loaded pin in needle valve must not be de­
pressed .
• Float level is not adjustable. If level not to spec. fit
new float and needle valve pin.
47
III
III
'II III ,II 1',',1 III III

70019401960 Specifications
Section
2 B 200, B 230 Engines
B 200 E , B 230 E: CI System
. Pressures
Line pressure .............. kPa (psi) 450-530
(64-75)
Rest pressure .............. kPa (psi) 150-240
(21-34)
Control pressure
warm engine ............. kPa (psi) 345-375
(49-53)
cold engine, see diagram
Control pressure regulator
0438 140 ...
Injectors
""n
0437502 ... 132945
Start injector
0280170 ...
134264
48
'.
Bosch No ............. ...... " . . .. . .. .. . . .. 004
Volvo PIN ............................. " 463 971-2
Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 20-30 (2
Bosch No . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 015
Volvo PIN ............................... 1 276037-7
Opening pressure ........... kPa (psi) 350-410 (50-58)
No leakage permissible
below ................... kPa (psi) 290 (41)
Early type Late type
Bosch No ................ 413 ... 445
Volvo PIN.. .. .. . .. ... 1 276 498-1 3 517 065-3
Injected
quantity. . . . . . . . . . . . . . . . . . . . . . . .. 85 cm3/min
Injection time is controlled by a thermal timer (see
diagram
on next page.)

Thermal time sw itch
35°C -20°C 7,5 sec
1 341111
Cut -out temperature and injection time at -20°C (-4°F) is
stamped in side of switch.
Auxiliary air valve
02.80140 ' ... 134740
A ir flow se nsor
Metering disc rest position
.• -'j,' ,.,'
70019401960 Specifications
Section
2 B 200, B 230 Engines
2mmmwm_
-20 -10 0 10 20 30°C -4 14 32 50 68 86 of 134739
Injection time at different temperatures
Tolerances: time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±2 sec temperature. . . . . . . . . . . . . . . . . . . . . .. ±4°C (7.2°F)
Type of auxiliary air valve fitted to engine depends on en­
gine type.
Identification number
(last three digits of part number) is
stamped
on side of valve.
Bosch No
8200 E, manual ..... . .. 106
automatic . .. . .. 114
8230E, manual ........ 112
automatic . .. . .. 118
Volvo PIN
1 346476-3
1 346477-1
1
346478- 9
1 357448-8
Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 40-60 0
Fully open at. . . . . . . . . . . . . . . . . . . . . . . . . . -30°C (-22°F)
Fully closed
at. . . . . . . . . . . . . . . . . . . . . . .. + 70°C (158°F)
The auxiliary air valve is controlled electrically and should
be fully closed after 5 minutes driving at 20°C (68°F) am­
bient temperature.
Carry out check
at maximum control pressure (in hot en­
gine , fuel pump running).
49
"
"
" II
" . "
" ·11 II

70019401960 Specifications
Section 2 B 200, B 230 Engines
Fuel pump
Type I Type " Type '"
9
Bosch No ..... " ... 948 ... 935 ... 934
Volvo PIN. . . . . .. 1 336677-8 1 389448-0 1 389 447-2
0580254 ... 138069
Pump capacity at a line pressure of 500 kPa (71 psi), 20°C (68°F)
and 12V ................................. ................ .
11 V ..................... ............................ .
10V ................................................. .
Current consumption
at a line pressure of 500 kPa (71 psi),
20°C (68°F) and 12 V ...................................... .
Tank pump
145 litres/hr (1.2 litres/30 sec)
125
litres/hr (1. 0 litres/30 sec)
105
litres/hr (0. 9 litres/30 sec)
max 8.5 A
Current consumption. . . . . . . . . . . . . . . . . . . . . . . . ..
1-4 A
50

(
70019401960 Specifications
Section 2 B 200, B 230 Engines
B 200 ET, B 230 ET: MOTRONIC
Air flow meter
Line pressure, pressure
regulator

0280160 ... 135 789
Injector s
0280150 ... 135790
B 200 ET :B 230 ET
Bosch No. . . . . . . . . . . .. '" 067 . . . 035
Volvo PIN ............ 1 346 698-2 1 306 967-9
Resistance :
• between terminals 6 and 22 of temperature sensor
at -10°C (14°F) ................... 8260-10560 {1
+20°C (68°F) ........................ 2280-2720 {1
+50°C (122°F) . . . . . . . . . . . . . .. . . .. . . . .. 760-910 {1
• between terminals 6 & 9 . . . . . . . . . . . . .. 500-1 100 {1
• between terminals 6 & 7 . . . . . . . . . . . . . . . . . . 8-200 {1
B200ET B230ET
Ear ly type
Bosch No ............. ... 225 ... 226
Volvo PiN ............ 1 357 705 -1 1 357710-1
Late type
Bosch No ............. ... 292
. . . 294
Volvo PiN ............ 3 517 063-8 3 517 064-6
Line pressure kPa (psi). 250 (36) 300 (42)
Rest pressure
kPa (psi) 150-250 200-300
(21-36)
(28-43)
Avstangningstryck
. . . . . . . . . . . . . . . . 150-250 kPa 200-300 kPa
(1,5-2,5 kp/cm2
) (2,0-3,0 kp/cm2
)
B 200 ET B 23 0 ET
Bosch No. . . . . . . . . . . .. . .. 802 . . . 357
Volvo PIN ............ 1 346 699-0 1 332 337-3
Injected quantity. . . . . .. 271 cm3/min
at a line pressure of . . . 250 kPa
(36 psi)
300 cm3/min
300 kPa
(42 psi)
51
til III til III til '111 til ·111 til

70019401960 Specifications
Section 2 B 200, B 230 Engines
Injector ballast resistor pack
Start injector
0280170 ...
134264
Therma;tl time switch
35°C .. Cut-out
temperature
-20°C 7,5 sec
Injection time
Charge air temperature sensor
Bosch No . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 001
Volvo PiN .............................. 1 317273-9
Resistance: +20°C (68°F) ......................... 985-10150
+40°C (104°F) .. . .. .. . . .. . . . . .. . .. .. 1080-1110 0
+ 130°C (266°F) . . . . . . . . . . . . . . . . . . . .. 1550-1620 0
52
Four resistors (1 per injector)
Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 5.5-6.5 0
Early type
Bosch No. . . . . . . . . . . .. . .. 400
Volvo PIN ............ 269 292-9
Injected quantity ....... .
Late type
... 444
3517066-1
Injection time is controlled by a thermal time switch (see
below).
8
6
4
2
__
-20 -10 0 10 20 30°C -4 14 32 50 68 86 ° F 134 739
Injection time at different temperatures
Tolerances : time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ± 2 secs
temperature. . . . . . . . . . . . . . . . . . . . . .. ±4°C (7.2°F)
1400
, m 137283

Coolant temperature ' sensor
0280130 ... 135791
Bosch No . , ..... , .... , .. , . , ........... , . . .. 032
Volvo PIN , .... , . , , , .. , , . , .. , , .. , .. , ... , . 1 346 030-8
Sensor incorporates 2 res istors: One is connected to Motronic
s y stem the other to an idle spee d compensation system.
Resistance:
-10°C (14°F) .. , . , ..................... .. ..... , .. , , ....... .
+20°C (68°F). , . , ......... .. , .... .. , , ...... , , , .... , ....... .
+80°C (176 °F), .... , , ...... , , . , , , , ... , .......... , . , . , . . , .. .
Impulse sender (crankshaft position and engine rpm senders)
7001940/960 Specif ications
Section 2 B 200, B 230 Engines
n 40000
20000
10000 8000 6000
4000
2000
1000 800 600
400
200
100 -30 -20 0
-22 -4 32
8 100-10770 n
2280-2720 n
292-364 n
20 40 60 80 100 120°C
68 104 140 176 212 240°F
1 35 792
Bosch No . , .. , , .. , ... , , , . , , .... , , . , , . , . . . .. 003
Volvo PIN. , . , . , . , .. , , , , .. , , . , .. , .. , .. ,. 1 317 030 -3
0261210",_ 13-7665
FuelPum~ Bosch No , , .. , ... , ... , , , .. , . . , .. , .. , . , . . , , . 025
Volvo PIN ..... , , ... , , ...... , ..... , .. , .. 1 336679-4
0580464 ... 135793
Capacity at a line pressure of 300 kPa (42 psi),
+20°C (68 °F) and 12V ..... , ... , .... " ............. , ...... .
11 V . , ... , ... ...... , .......... , ..... , . .. .
10V .... " , , ' .... , .... , , ... , . . , ..... ,., ..
Current consumption at a line pressure of 300 kPa (42 psi),
+20°C (68°F) and 12 V , , . ... ... , . . , , , ... , , . , . , , , , . , . , , .. , . .
Tank pump
130 litres/hr (34.3 US Galls. per hr)
108 litres/hr (28.5 US Galls. per hr)
86
litres/hr (22 .7 US Galls . per hr)
max 6,5 A
Current consumption .... , .. , , ..... , ... , . , 1-4 A
53

70019401960 SpetifnJations
'Section
2 B ;206/S1l30 Engines
CONSTANT IDLE SPEED SYSTEM (CIS),
(8200 ET, 8230 ET)
Contro l unit
0280220 ...
136607
Coo lant temperature sensor
0280130 .. . 135791
Bosch No . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 032
Volvo PIN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 346030-8
Sensor incorporates 2 resistors : One is connected to Motron ic
system the other to an idle speed compensation system.
Resistance: Bosch
No . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 016
Volvo PIN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 346567-9
.n 40000
20000
10000 8000 6000
4000
2000
1000 800 600
400
200
100 -30 -20 0 20 40 60 80 100 120°C
-22 - 4 32 68 104 140 176 212 240°F
135 792
-10°C (14 °F) .......................... ............. ...... . 8100-107700
2280-27200
292-3640
+20°C (68 °F) ............................. ................ .
+80°C (176 °F) ........ ................................. ... .
A ir control valve
Early type
Bosch No. . . . . . . . . . . .. . . . 501
Volvo PiN .......... .. 1 317957-7
Resistance between terminals 3 and 4,
Late type
" .520
3517 067-9
4 and 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. approx 20 0
54