1. Introduktion
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of the Nilfisk Advance SC450 Walk-Behind Automatic Scrubber. Please read this manual thoroughly before operating the machine to ensure proper usage and to prevent injury or damage.
The Nilfisk Advance SC450 is a compact, battery-powered walk-behind scrubber designed for daily cleaning tasks in various environments such as hospitals, schools, manufacturing plants, and warehouses. It offers high productivity, reliable operation, and ease of use.
2. Sikkerhedsoplysninger
ADVARSEL: Manglende overholdelse af disse sikkerhedsinstruktioner kan resultere i alvorlig personskade eller beskadigelse af maskinen.
- Always wear appropriate personal protective equipment (PPE) such as safety glasses and non-slip footwear during operation and maintenance.
- Ensure the machine is turned off and disconnected from the power source before performing any maintenance or adjustments.
- Do not operate the scrubber on inclines exceeding the manufacturer's recommendations.
- Hold hænder, fødder og løstsiddende tøj væk fra bevægelige dele.
- Use only approved cleaning solutions and follow their safety guidelines.
- Do not allow untrained personnel to operate the machine.
- Opbevar maskinen et tørt og sikkert sted, når den ikke er i brug.
- Sørg for ordentlig ventilation ved opladning af batterier.
3. Opsætning
3.1 Udpakning
Carefully remove the scrubber and all accessories from the packaging. Inspect for any shipping damage. Retain packaging for future transport if needed.
3.2 Batteriinstallation og opladning
The SC450 uses (2) 105 Ah wet batteries (part number 56206962). Ensure batteries are properly installed in the battery compartment (dimensions: 13.7 x 13.7 x 11.8 inches).
- Åbn batterirummets dæksel.
- Place the batteries securely in the compartment, ensuring correct polarity when connecting.
- Connect the battery charger (115VAC/24VDC) to the machine and a suitable power outlet.
- Allow batteries to fully charge before first use. Refer to the battery charger manual for specific charging instructions.
3.3 Pad Holder and Pad Installation
The scrubber is equipped with a 20-inch disc pad holder (part number L08837018).
- Ensure the machine is off and the brush deck is raised.
- Align the cleaning pad (not included) with the pad holder.
- Attach the pad to the pad holder, ensuring it is centered and secure.
- Lower the brush deck into position.

Figur 1: Forside view of the Nilfisk Advance SC450 scrubber, showing the blue cleaning pad and disc.
3.4 Splash Guard Installation
Install the splash guard (part number 9096736000) to prevent water and solution from splashing during operation.
- Locate the mounting points for the splash guard.
- Securely attach the splash guard according to the machine's design.
3.5 Fyldning af vaskemiddeltanken
- Open the solution tank cap.
- Fill the tank with clean water and the recommended cleaning solution. The solution tank capacity is 10.5 gallons (39.75 liters).
- Do not overfill. Close the cap securely.
4. Betjeningsvejledning
4.1 kontroller overview
Familiarize yourself with the control panel, typically located on the handle. This includes the power switch, brush engagement lever, solution flow control, and squeegee lift lever.

Figur 2: Bagside view of the Nilfisk Advance SC450 scrubber, showing the handle and control panel.
4.2 Start af maskinen
- Ensure the solution tank is filled and the recovery tank is empty.
- Lower the squeegee to the operating position.
- Tænd for hovedafbryderen.
- Engage the brush motor and adjust the solution flow as needed.
- Begin walking at a steady pace. The maximum speed is 3 mph (4.83 kph).
4.3 Scrubbing Procedure
Guide the machine in overlapping passes to ensure complete coverage. The scrubbing width is 20 inches (50.8 cm). The automatic squeegee release feature protects the squeegee when encountering obstacles.
4.4 Standsning af maskinen
- Disengage the brush motor and turn off the solution flow.
- Hæv gummiskraberen.
- Sluk for hovedafbryderen.
4.5 Emptying the Recovery Tank
The recovery tank has a capacity of 11.9 gallons (45.05 liters). Empty it regularly to maintain optimal performance.
- Locate the drain hose or recovery tank lid.
- Drain the dirty water into an appropriate disposal area.
- The recovery tank features a removable lid for easy cleaning.
5. Vedligeholdelse
Regular maintenance ensures the longevity and optimal performance of your SC450 scrubber.
5.1 Daglig vedligeholdelse
- Clean Recovery Tank: After each use, empty and rinse the recovery tank thoroughly. The removable lid facilitates easy cleaning.
- Inspect Squeegee Blades: Check for wear, tears, or damage. Clean any debris from the squeegee.
- Clean Brushes/Pads: Remove and clean the scrubbing pad or brush. Replace if worn.
- Wipe Down Machine: Rengør maskinens ydre med adamp klæde.
5.2 Pleje af batterier
- Recharge After Each Use: Fully recharge the batteries after each use to maximize battery life.
- Check Water Levels (Wet Batteries): Periodically check the electrolyte levels in the wet batteries and top up with distilled water if necessary, following battery manufacturer guidelines.
- Hold terminalerne rene: Sørg for, at batteripolerne er rene og fri for korrosion.
5.3 Periodiske kontroller
- Inspicer slanger og forbindelser: Kontrollér alle slanger og forbindelser for lækager eller skader.
- Brush Deck Inspection: Ensure the brush deck operates smoothly and is free from obstructions.
6. Fejlfinding
Dette afsnit indeholder løsninger på almindelige driftsproblemer. Kontakt autoriseret servicepersonale ved problemer, der ikke er nævnt her.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Maskinen starter ikke | Lav batteriopladning Hovedafbryder slukket Løs batteriforbindelse | Oplad batterier Tænd for afbryderen Kontroller og fastgør batteriforbindelserne |
| Dårlig skrubbeydelse | Worn brush/pad Insufficient solution flow Incorrect cleaning solution | Replace brush/pad Adjust solution flow control Use recommended cleaning solution |
| Water left on floor | Worn or damaged squeegee blades Squeegee not properly adjusted Genvindingstank fuld | Udskift gummiskraberbladene Adjust squeegee angle/pressure Tøm genvindingstank |
| Reduced running time | Batterier ikke fuldt opladet Aging batteries | Sørg for fuld opladningscyklus Overvej udskiftning af batteri |
7. Specifikationer
Technical specifications for the Nilfisk Advance SC450 Walk-Behind Automatic Scrubber:
| Feature | Værdi |
|---|---|
| Model | SC450 |
| Fabrikant | Nilfisk Advance |
| Voltage | 24 V |
| Børstemotoreffekt | 480 W |
| Vakuummotoreffekt | 330 W |
| Scrubbing Width | 20 tommer (50.8 cm) |
| Squeegee Bredde | 30 tommer (76.2 cm) |
| Kapacitet til opløsningstank | 10.5 l (39.75 gal) |
| Genopretningstank kapacitet | 11.9 l (45.05 gal) |
| Maksimal løbetid | 140 min |
| Børstehastighed | 154 RPM |
| Lydtrykniveau | 68 dB(A) |
| Vægt med batterier | 285 lb (129.27 kg) |
| Dimensioner (L x B x H) | 46.2 tommer x 22 tommer x 38.6 tommer (117.35 cm x 55.88 cm x 98.04 cm) |
| Maks. Hastighed | 3 mph (4.83 km/t) |
| IP beskyttelsesklasse | IPX4 |
| Isoleringsklasse | I |
| Battery Compartment Size (L x W x H) | 13.7 x 13.7 x 11.8 in (34.80 cm x 34.80 cm x 29.97 cm) |
| Overfladeanbefaling | Hårde gulve, tæpper |
| Inkluderede komponenter | (1) Pad Holder, (2) 105 Ah Wet Battery, (1) Splash Guard, Battery Charger |
8. Garanti og support
For warranty information, please refer to the documentation provided with your purchase or contact your authorized Nilfisk Advance dealer. For technical support or service inquiries, please contact your local Nilfisk Advance service center or the dealer from whom the product was purchased.