This document outlines the operation and maintenance of the Gansow 125 Sweeper, a ride-on industrial cleaning machine designed for sweeping dry, non-carpeted floors. It is not approved for use on public roads or highways.
Function Description:
The Gansow 125 Sweeper is an industrial cleaning machine primarily used for sweeping dry, non-carpeted floors. Its core function involves a central brush that collects debris, which is then conveyed to a filtering system by a suction fan. The machine is equipped with side brushes for cleaning edges, corners, and around bends, ensuring comprehensive coverage. A patented rotary polyester filter system ensures continuous cleaning of the filter, optimizing suction power. The collected debris is stored in a bin at the rear of the machine, which can be emptied when full. The machine is battery-powered, emphasizing the need for proper charging and battery maintenance.
Usage Features:
- Operator Safety: The machine incorporates several safety features. A safety microswitch under the seat disables all functions when the operator is not seated. The parking brake must always be engaged when the machine is parked. When performing cleaning or servicing, the negative terminal of the drive batteries must be disconnected, the key removed from the switch, and the parking brake activated to prevent accidental movement. For the 130B model, the bin microswitch prevents brush lowering and rotation if the bin is not closed, avoiding accidental debris ejection.
- Starting and Operation: To start, the key switch is turned clockwise, initiating an auto-diagnosis cycle. The operator must be seated for the machine functions to be enabled.
- Suction System: Suction is activated by a button on the control panel. The fan starts gradually to prevent current peaks, creating a vacuum that directs dust to the filtering system. It's crucial to turn off suction immediately when dealing with damp or moist dirt to prevent filter damage.
- Centre Brush Operation: The centre brush is lowered and rotated by a switch on the control panel. The actuator lowers until a limit microswitch is pressed, enabling brush rotation. The process is reversed to raise the brush. It is important to ensure the debris bin is correctly in place and closed before the brush rotates to avoid damage or injury from ejected material.
- Side Brush Operation: Side brushes are lowered using levers on the control panel. They activate rotation upon lowering and are primarily recommended for cleaning edges and corners to minimize dust lifting. Side brushes only operate when the centre brush is in use, and it's advised to activate the centre brush first to prevent bristle bending.
- Filtration System: The machine features a patented rotary polyester filter system that self-cleans every three minutes by rotating the filter. This ensures optimal suction. The filter can be cleaned while sweeping, but reducing speed or stopping is recommended for very fine dust. A dedicated button on the control panel activates the filter shaker, slowing the fan motor and rotating the filter to remove deposited dust.
- Debris Bin Management: The debris bin is located at the rear. For models 105/125 B, it is released by a centre lever and slides out on wheels. For model 130 B, the bin can be lifted for emptying. Safety precautions are emphasized during bin emptying, including ensuring all functions are off, sufficient space, and no people nearby. The bin is raised off the ground during operation to prevent damage and may drop suddenly when released, requiring caution.
- Speed Control: Machine speed can be adjusted using three buttons on the control panel, which set maximum speed limits. The accelerator pedal on the footboard regulates intermediate speeds for both forward and backward movement (backward speed is 50% of forward speed). The pedal only operates if a speed has been selected.
- Flaps: The machine has side, front, and back flaps that enclose the debris collection area, creating a seal with the floor. The front flap can be raised using a cable for collecting bulky but light debris. It must be returned to its original position after passing over debris to maintain the vacuum.
- Braking System: The brake pedal on the left of the footboard serves as both a service brake and a parking brake. To engage the parking brake, the pedal is pressed, and a top lever is lowered. Releasing the parking brake causes the pedal to spring up forcefully, requiring operators to keep limbs clear.
- Sweeping Technique: For best results, overlap previously cleaned strips by 3-5 cm. The machine is designed to sweep close to walls; the side brush arm retracts if knocked and returns to position when pressure is removed.
- Post-Operation: After use, the machine should be parked with the parking brake on, turned off, and the key removed to prevent unauthorized use. The bin should be emptied and cleaned after each work session to prevent unpleasant smells.
Maintenance Features:
- General Precautions: Before any servicing or part replacement, the key switch must be turned off, the power plug unplugged, and the parking brake activated. When replacing fuses, the negative terminal of the battery must be disconnected to avoid short circuits.
- Battery Care:
- Charging: Rooms where batteries are charged must be well ventilated. During charging (for acid batteries), the machine cowling should be raised, and battery cell caps unscrewed/removed to prevent gas build-up. Gel batteries do not require cap removal. Sparks and open flames should be avoided near batteries due to explosive gas.
- Water Levels (Acid Batteries): Distilled water levels in all battery cells must be maintained equally. Dry cells shorten battery life and can cause irreparable damage.
- Corrosive Acid (Acid Batteries): Damaged batteries can leak highly corrosive acid.
- Charge Indicator: LEDs indicate battery charge: green for normal, red for safety limit (requiring immediate charging).
- New Batteries: Batteries reach maximum power after 8-10 charging cycles; avoid excessively heavy cleaning during this period.
- Connections: Ensure battery caps are screwed on and lead plates are submerged (acid batteries).
- Regular Checks: Battery connections should be checked. If not used regularly, battery voltage and charge should be checked.
- Filter Maintenance: To prolong the life of the polyester rotary filter, it should be blown with compressed air from the inside outwards. Replacement is necessary if damaged or encrusted. The cleaning schedule depends on usage.
- Impeller Cleaning: The fan motor impeller requires regular cleaning, especially when sweeping fine dust, to ensure correct operation and prevent irritating vibrations.
- Brush Maintenance:
- Centre Brush: Remove any material wrapped around the centre brush. Check belt tension and the state of wear of the brush.
- Side Brushes: Check the state of wear of the side brushes and ensure cables slide freely in their sheathes.
- Motor Brushes: Periodically check carbon brushes for the centre, side, and drive motors.
- Flap Maintenance: Ensure rubber flaps are in good condition and not too high off the ground. Check springs on the front flap and its lifting mechanism.
- Tyre Maintenance: Check tyres for good condition and ensure sides are free from cuts.
- Brake Maintenance: Check and adjust service and parking brakes.
- Bin Maintenance (130 B ONLY): Check for leaks from tubes near the cylinder and/or pump, and check seals between the bin and chassis.
- Troubleshooting: The manual provides a comprehensive troubleshooting guide for various issues, including:
- No function activation or control panel indicators: Check battery charge, connections, fuses, key switch position, and safety microswitch.
- Drive mechanism not working: Check points for no function activation, cable connections under the drive wheel, and potentiometer under the pedal.
- Centre brush not starting/turning: Check points for no function activation, key switch, bin closure (130B ONLY), motor cable connections, brush wear, and belt wear.
- Side brush(es) not starting: Check if the centre brush is fully lowered and if the microswitch under the chassis has been deactivated.
- Suction motor not starting: Check if the centre brush is lowered and rotating, and points for no function activation.
- Inadequate suction: Check if the fan is on, fuse, fan condition, air filter condition (shake or replace), rubber flap condition (replace if damaged), bin attachment, and motor.
- Dirt not collected: Check if the centre brush is lowered, bin is not full, rubber flap position/condition, wear of centre/side brushes, and battery charge.
- Machine not moving forwards/backwards: Check if the hand brake is off and the drive motor.
- Bin not lifting (130 B ONLY): Check lifting fuse, if the centre brush is off and raised, pump wiring, inverter in cabling, and if the pump is burned out.
- Error Messages: A dedicated section explains control panel error codes, their causes, and corresponding remedies, such as checking cabling, replacing components (chopper, solenoid switch, drive motor, board), and addressing issues like overheating or blocked motors.
The manual emphasizes that if troubleshooting procedures do not resolve the problem, technical assistance should be contacted.
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