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ENGLISH / B-15
FORM NO. - 56041684 - BA 755, BA 855 - B-15
WET SCRUBBING
WARNING!
Be sure you understand the operator controls and their functions. While on ramps or inclines, avoid sudden stops when loaded.
Avoid abrupt sharp turns. Use low speed down hills. Clean only while ascending (driving up) the ramp.
1 Follow the instructions in the Preparing The Machine For Use section of this manual.
2 Turn the Master Key Switch (A) ON (I). This will display the control panel indicator lights, reference the Battery Indicator and Hour Meter on the Display (D or
J).
3 To transport the machine to the work area, push the Drive Paddle (34) forward to go forward or pull the Drive Paddle (34) backward to move the machine in
reverse. Vary the pressure on the Drive Paddle (34) to obtain the desired speed.
NOTE: Speed Control Knob (35) is used to control the maximum speed in either forward or reverse.
4 Press and hold the Solution Switch (B) for 5 seconds to pre-wet the fl oor. NOTE: This must be done prior to pressing the Scrub ON Switch (I).
5 Press the Scrub ON Switch (I) once for Regular Scrub or twice for Heavy Scrub mode. Hold this switch for 5 seconds for Extreme Scrub mode. Both the
solution system and detergent (EDS models) system have 3 fl ow rate presets that coincide with the 3 scrub modes (see Control Panel). NOTE: There is
a solution fl ow rate over ride function if you wish to increase solution fl ow without increasing scrub pressure. Hold the Solution Switch (B) for 3 seconds
(solution indicator will start fl ashing) and then let go. You then have 3 seconds to set a different fl ow rate by simply pressing the Solution Switch (B)
repeatedly until the Solution Flow Rate Indicator (D1) shows the rate you desire (Regular, Heavy or Extreme / see Control Panel). Any subsequent scrub
pressure adjustments will reset the solution fl ow rate to default.
NOTE: The solution, vacuum and detergent (EDS models) systems are automatically activated when the Scrub ON Switch (I) is pressed. No further action
is required other than lowering the squeegee (17). Any individual system can be turned OFF or back ON by simply pressing its switch at any time during
scrubbing. If you have installed the Extended Scrub Kit, it will not be automatically activated. You must press the Recycle Switch (G) to activate this system.
The recycle system will not turn ON until the water level in the recovery tank reaches a certain level.
6 Lower the squeegee with the Squeegee Raise / Lower Lever (17).
7 When the Drive Paddle (34) is in the neutral position, the scrub, vacuum, solution and detergent (EDS models) systems are activated but not running. Grip
the Operator Control Handle (2) and push the Drive Paddle (34) forward to start the scrub, vacuum, solution and detergent (EDS models), and to move the
machine forward. For best results, move the machine at a slow walking speed. Press the Solution Switch (B) once to turn OFF while making sharp turns.
Pull the Drive Paddle (34) backward to move the machine in reverse. The brushes will run while moving the machine in reverse, but solution and chemical
will not be dispensed.
CAUTION!
To avoid damaging the fl oor, keep the machine moving while the brushes are turning.
8 For extremely dirty fl oors, a one-pass scrubbing operation may not be satisfactory and a “double-scrub” operation may be required. This operation is the
same as a one-pass scrubbing except on the fi rst pass the squeegee is in the up position. This allows the cleaning solution to remain on the fl oor to work
longer. The fi nal pass is made over the same area, with the squeegee lowered to pick up the accumulated solution.
9 The recovery tank has an automatic shut-off switch that turns ALL systems OFF except the drive system when the recovery tank is full. When this switch is
activated, the recovery tank must be emptied. The machine will not pick up water or scrub with the switch activated.
NOTE: All other indicators vanish and a “Recovery Tank FULL” Indicator (D7) turns on in the Display Panel when the switch is activated on “EDS” models.
The Hour Meter (J2) momentarily fl ashes each letter of the word FULL over and over on “Standard” models.
10 When the operator wants to stop scrubbing or the recovery tank is full, press the Scrub OFF Switch (H) once. This will automatically stop the scrub brushes
and solution fl ow and the scrub deck will raise UP. NOTE: The vacuum will stop after a 10 second delay. This is to allow any remaining water to be picked up
without turning the vacuum back on.
11 Raise the squeegee and drive the machine to a designated wastewater “DISPOSAL SITE” and empty the recovery tank. To empty, pull the Recovery Tank
Drain Hose (27) from its hanger and open the cap (hold the end of the hose above the water level in the tank to avoid sudden, uncontrolled fl ow of waste
water). The Recovery Tank Drain Hose (27) can be squeezed to regulate the fl ow. Refi ll the solution tank and continue scrubbing.
NOTE: Make sure the Recovery Tank Cover (5) and the Recovery Tank Drain Hose (27) cap is properly seated or the machine will not pick-up water correctly.
When the batteries require recharging the Battery LOW Indicator (D8) will come on (EDS models) or the Battery Indicator (J1) will fl ash red (Standard models) and
the vacuum motor will shut off after 30 seconds. Transport the machine to a service area and recharge the batteries according to the instructions in the Battery
section of this manual.
WET VACUUMING
Fit the machine with optional attachments for wet vacuuming.
1 Disconnect the Recovery Hose (19) from the Squeegee (13).
2 Attach suitable wet pick-up tools to the hose (Available from Nilfi sk).
3 Turn the Master Key Switch (A) ON.
4 Press the Wand Switch (E) once to turn ON the vacuum motor.
SERVICE NOTE: Refer to the service manual for detailed functional descriptions of all controls and optional programmability.