Functionality Check - Water Unit
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 Water system is in working condition
.
Input/output:
Satisfied condition
Pin
V at work
V at rest
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
Backward activated
J7(11) ref to J7(16)
+
V
b
−
V
b
Seated Operator
J7(15) ref to J7(1)
+
V
b
−
V
b
FSS/FLR activated
J7(17) ref to J1(8)
−
V
b
+
V
b
Solution Tank Floater
J7(2) ref to J7(1)
+
V
b
−
V
b
Water Pump Activated
J8(3) ref to J8(1)
+
V
b
−
V
b
Solenoid Valve activated
J11(13) ref to J11(5)
+
V
b
−
V
b
Solution tank recycle solen. Valve
J11(6) ref to J8(2)
+
V
b
−
V
b
Recovery tank recycle solen. Valve
J11(3) ref to J8(2)
+
V
b
−
V
b
Chemical Pump activated
J11(8) ref to J11(9)
+
V
b
−
V
b
J1
J2
J5
J7
J8
J11
9.5.1
Relative electrical Components
Water Pump
The water pump, connected to the solution tank and to the solenoid valve, allows a regular flow to the brushes.
Solenoid Valve
The solenoid valve is located on the back of the brush deck body, which can be easily accessed from the left
side.
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Summary of Contents for 109070
Page 1: ...SERVICE MANUAL BMG Version AA Date May 9 2019 Document Number 10088000...
Page 4: ...Part I Product Introduction 4...
Page 10: ...1 7 1 BMG 56 10...
Page 11: ...1 7 2 BMG 65 11...
Page 12: ...1 7 3 BMG 50 BTO 12...
Page 16: ...Part II Anomalies Resolution Guide 16...
Page 24: ...Part III Functional Groups 24...
Page 26: ...3 2 Location of Electrical Components 26...
Page 60: ...4 6 Related electrical circuit 4 6 1 BMG 56 60...
Page 68: ...5 6 Related electrical circuit 5 6 1 BMG 65 68...
Page 72: ...5 8 3 Brush Deck Actuator see section 4 8 3 at page 63 72...
Page 76: ...6 6 Related electrical circuit 6 6 1 BMG 50 BTO 76...
Page 84: ...7 6 Related electrical circuit 84...
Page 90: ...8 5 Related electrical circuit 90...