UDRF01.04GB
Maintenance manual DRF 400–450
8 Control system – 8.2.1.2 Mechanical overloading system with analogue sensors
9
8.2.1.2
Mechanical overloading system with
analogue sensors
page
–
Mechanical overloading system with analogue position
sensors, function description
1. Sensor boom angle (R771)
2. Sensor boom length (R777)
3. Sensor, steering axle load (B7221)
This alternative for overloading system uses an opening sensor (on
steering axle) to sense the load and also analogue sensors to sense
boom length and angle.
The mechanical overloading system with analogue sensors is acti-
vated when:
•
The steering axle springs up (overloading forward).
In case of overloading forward the control system interrupts the
functions lift and lower as well as extension. Using the by-pass,
lower and extension can be activated to get out of the overload-
ing situation.
•
The boom angle exceed 35
°
at the same time as boom exten-
sion is less than 1.5 m when the machine operates faster than
10 km/h (overloading steering axle).
In case of overloading on the steering axle the control system
activates a warning for overloading on the steering axle.
NOTE
In case of overloading on the steering axle it is up to the
operator to be careful when operating, no functions are in-
terrupted. To reduce the load and regain full operational
speed, the boom shall be lowered or extended.
000581
2
3
1
004888
D795
D797-R
D793
2
6
3
4
5
1
m
<˚
D
D
D
1.
Sensor steering axle load (B7221)
4.
Sensor boom length (R777)
2.
Control unit frame rear (D797-R)
5.
Sensor boom angle (R771)
3.
Control unit KID (D795)
6.
Control unit transmission (D793)
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