d6&d7 tech presentation.ppt

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1 Technical presentation BA/CA 451/531/551/611 Welcome to the technical presentation on Nilfisk BA/CA 451/531/551/611, battery and cord walk- behind scrubber/driers. The aim of the training is to provide you with technical points for these Nilfisk walk- behind scrubbers

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Diapositiva 1battery and cord walk-behind scrubber/driers.
*
Wiring diagram BA551/611 D
EDS system – BA/CA 451/531
EDS system – BA/CA 551/611
Troubleshooting
2 - Vacuum system switch
3 - Brush/pad-holder release switch
5 - Hourmeter (**)
7 - Battery charger indicator
8 - Washing water flow control switches
(*) Only for BA 551 D, BA 551 CD, BA 611 D
(**) Only for machines equipped with EDS
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Light 1
Light 2
Switch 3
According to the type of batteries (WET or GEL), set the electronic board of the machine and of the battery charger (if equipped), according to the following procedure:
A) Machine setting
1. Turn the ignition key to “I” position and pay attention to the following in the very first seconds of machine
operation:
– If the green warning light (1) is flashing, the machine is set to GEL.
– If the red warning light (2) is flashing, the machine is set to WET.
2. If the setting is to be changed, perform the following procedure.
3. Turn off the machine by turning the ignition key to “0” position.
4. Press and hold the Brush and vacuum switch, then turn the ignition key to “I”.
5. Release the switch (3) at least 8 seconds after starting the machine.
*
B) Battery charger setting (for machines with on-board battery charger)
7. Remove the battery charger data inspection window screws (A)
8. Remove the window (B).
9. Turn the battery charger selector (C) to WET position for lead batteries, or
to GEL position for gel batteries.
10. Install the window (B) and tighten the screws (A).
C) Battery installation
11. Open the cover and check that the recovery water tank is empty,
otherwise empty it with the drain hose (1).
12. Grasp the handle (3) and carefully lift the tank (2).
13. Install the batteries.
Drive board led (for error codes)
Drive motor fuse
Vacuum motor fuse
Brush motor fuse
Vacuum motor relay
Brush motor relay
Number of led blinking
Forward switch closed at power-on
Pull the speed reference to zero and open the FW switch
2
Backward switch closed at power-on
Pull the speed reference to zero and open the BW switch
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Potentiometer out of neutral position at power-on
Move the potentiometer to neutral position or if it is in neutral position already, calibrate the speed reference
5
Wait a few minutes and check the motor’s current
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Change the controller
*
1- Cap
1- Cap
For. 2.5-5k ohm
RV2 100 K Ohm
*
No cylindrical version and only single disc
-Squeegee blades : Oil resistant, non marking, low noise, long lasting 10 times in PU)
Extra pressure brush deck kit
Fron wheels Low noise and better grip ( only for machine with drive)
Low pressure ( all machines )
Squeegee support iron made (heavier)
Roller Bumper
Splash guard
EDS system for drive version only
-Squeegee blades : Oil resistant, non marking, low noise, long lasting 10 times in PU)
Extra pressure brush deck kit
Low noise and better grip ( only for machine with drive)
Low pressure ( all machines )
Squeegee support iron made (heavier)
Motors IP56
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NO TOOLS NEEDED TO REPLACE THE SQUEEGEE BLADES
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NO TOOLS NEEDED TO REPLACE THE SIDE BLADES ASSEMBLY
NO TOOLS NEEDED TO REPLACE THE SQUEEGEE BLADES ASSEMBLY
*
The motors do not work; no warning light turns on.
1. The battery connector is disconnected. 2. The batteries are completely discharged.
1. Connect. 2. Charge the batteries.
The brushes do not work, the red warning light (2) is on
The batteries are discharged.
The machine does not move.
The machine has been turned on by using the ignition key and by keeping the paddle pressed.
Turn the ignition key to “0” position, then try to start the machine without pressing the paddle.
Insufficient recovery water vacuuming.
1. The recovery water tank is full. 2. The hose is disconnected from the squeegee. 3. The vacuum grid is clogged or the float is stuck closed. 4. The squeegee is dirty or the squeegee blades are worn or damaged. 5. The tank cover is not correctly closed, or the gasket is damaged, or the compensation hole is obstructed.
1. Empty the tank. 2. Connect. 3 .Clean the grid or check the float. 4. Clean and check the squeegee. 5. Close the cover correctly/replace the gasket/clean the compensation hole.
Insufficient solution flow to the brushes.
1. The solution filter or the clean water filter is dirty. 2. The tank is dirty (the drain hole is clogged).
1. Clean the filter. 2. Clean.
Marks caused by the squeegee.
1. There are debris under the squeegee blades. 2 .The squeegee blades are worn, chipped or torn. 3. The squeegee has not been balanced with the handwheel.
1. Remove the debris. 2. Replace the blades. 3. Balance.
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