43
COMPILER TECO/ATL
REG. CODE
1-5302-296
MODEL N°
50510
DATE OF ISSUE
01.89
REVISION
02
ENDORSED
DATE
17.04.2003
100
101
102
VIII
ELECTRONIC SPEED GOVERNOR
(optional)
A
= Actuator
S
= r.p.m. sensor
T
= Electromagnet
An electronic speed governor can be fitted upon request. The
crankcase features a hole for sensor
S
introduction.
Electronic speed governor
1
Injection pump
2
Delivery control lever
3
Actuator A mounting flange
4
Mobile retainer
5
Actuator magnet
6
Stator coils
7
Stator
8
Cable ends for connection to control box E
9
Electromagnet
Electronic speed governor layout
Components:
A
= actuator;
C
= key;
P
= potentiometer;
T
electromagnet;
S
= sensor
The device consists of an actuator
A
controlling injection pump rack,
an r.p.m. sensor
S
and an electromagnet
T
controlling fuel delivery
and supplying extra fuel at starting. Control box
E
(see page 44)
controls fuel delivery as a function of the load and of the speed set
through potentíometer
P
.
The potentiometer can be fitted on the control box or on the control
panel
P1
(see page 44).
The whole system makes it possible to keep the engine speed
constant independently of the load conditions. It detects speed
through the r.p.m. sensor mounted on the crankcase at the ring gear
level. As the number of revolutíons changes the device immediately
performs the required corrections by means of the actuator acting on
the injection pump. Electromagnet
T
responds to max. fuel delivery
(fuel flow setting) and (when energized) enables the injection pump
rack rod to reach its maximum stroke (extra fuel supplied at starting).
DISASSEMBLY/REASSEMBLY