Figure 225
It is a component integrating a temperatu re sensor.
It is assembled to the engine head close to the thermostat
unit and its duty is to detect engine cooling liquid temperatu-
re.
Specification s:
Range of working temperatures:
Connection side −40 ÷ +150 ºC for < 10 min .
Bulb side on engine: −40 ÷ + 140 ºC
Working t ension s: 6 ÷ 28 V
Settings:
80 ºC 0.304 ÷ 0.342 kΩ
20 ºC 2.262 ÷ 2.760 kΩ
−10 ºC 8.244 ÷ 10.661 kΩ
Figure 226
Starter is usually driven by starting unit placed on the vehicle
dashboard and provides positive tension to the tele−switc h
assembled to the starter itself.
Specification s:
BOSCH 4 kW − 24V
Figure 227
75719
75717
Cooling liquid temperature sensor
75718
B
C
A
A
B
C
Starter
1
KSB Water temperature sensor
It is assembled to the cylinder head on the engine left hand
side.
Specification s:
Working tensions: 12 ÷ 24 V
Electrical Power load: 2.5 A (induction)
5.0 A (resistance)
Setting: 63±3 ºC Contact opening
upon increasing temperature
53±3 ºC Contact closure
upon decreasing temperature
SECTION 3 − DUTY − INDUSTRIAL APPLICATION
80
E NG I NE S
ED. FEBUARY 2003
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