Functionality Check - 56 Disc Brush Deck
Conventions:
+
V
b
: Positive voltage of the battery.
−
V
b
: Negative voltage of the battery.
The emergency button is not pressed, the key contact is closed and the charger is not connected to the
mains.
The Brush Deck is in working condition
.
Input/output:
Satisfied condition
Pin
V at work
V at rest
Brush Motor Activated
XE(1) ref to XE(2)
+
V
b
−
V
b
Display Negative
J1(4) ref to B-
−
V
b
−
V
b
Display Transmission
J1(7) ref to B-
+
V
b
−
V
b
Display Receiving
J1(3) ref to B-
+
V
b
−
V
b
Display Positive
J1(8) ref to B-
+
V
b
+
V
b
Electrobrake Activated
J2(1) ref to J2(2)
+
V
b
−
V
b
Traction pedal pressed
J5(3) ref to J5(6)
+
V
b
−
V
b
Operator Seated
J7(15) ref to J7(1)
+
V
b
−
V
b
Brushes Actuator in motion
J14(1) ref to J14(4)
+
V
b
−
V
b
J1
J2
J5
J7
J14
4.6.2
Relative electrical Components
Brush Gearmotor
The brush gear motor is a DC type with permanent magnets, connected directly to the function board via a
connector.
With a constant 24 V DC supply (full battery) the single brush motor (M2) draws 2.6 Amps
±
0.1. With a
constant 21 V DC supply (low battery) the absorption is 2.4 Amps
±
0.1.
Actuator
The brush deck lifting actuator, by means of the lever and the tie rod, lowers and pushes the brushes to the
ground, according to the preset pressure.
61
Содержание 109070
Страница 1: ...SERVICE MANUAL BMG Version AA Date May 9 2019 Document Number 10088000...
Страница 4: ...Part I Product Introduction 4...
Страница 10: ...1 7 1 BMG 56 10...
Страница 11: ...1 7 2 BMG 65 11...
Страница 12: ...1 7 3 BMG 50 BTO 12...
Страница 16: ...Part II Anomalies Resolution Guide 16...
Страница 24: ...Part III Functional Groups 24...
Страница 26: ...3 2 Location of Electrical Components 26...
Страница 60: ...4 6 Related electrical circuit 4 6 1 BMG 56 60...
Страница 68: ...5 6 Related electrical circuit 5 6 1 BMG 65 68...
Страница 72: ...5 8 3 Brush Deck Actuator see section 4 8 3 at page 63 72...
Страница 76: ...6 6 Related electrical circuit 6 6 1 BMG 50 BTO 76...
Страница 80: ...Chapter 7 Vacuum Unit 7 1 Location on machine The vacuum unit is located in central rear position 80...
Страница 84: ...7 6 Related electrical circuit 84...
Страница 90: ...8 5 Related electrical circuit 90...
Страница 98: ...9 5 Related electrical circuit 98...