A-12 / ENGLISH
AFTER USE
1When finished vacuuming, manually raise the vacuum deck to turn off all systems. Then drive the machine to a service area for daily maintenance and review of other needed service up keep.
2Remove the brushes then rinse them with warm water and remove any built up string, hair or carpet fibers. Hang the brushes up to dry.
3Check the maintenance schedule below and perform any required maintenance before storage.
MAINTENANCE SCHEDULE
Keep the machine in top condition by following the maintenance schedule closely. Maintenance intervals given are for average operating conditions.
Machines used in severe environments may require service more often.
MAINTENANCE ITEM | Daily | Weekly | Monthly | Yearly |
Charge Batteries | X |
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Check/Empty/Replace the Filter Bag | X |
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Check/Clean the HEPA Filters | X |
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Check/Clean the Brushes | X |
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Check/Clean the vacuum motor foam filter(s) | X |
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Check Each Battery Cell(s) Water Level |
| X |
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Lubrication of Machine |
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| X |
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* Check Carbon Brushes |
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| X |
*Have Nilfisk check the vacuum motor carbon motor brushes once a year or after 300 operating hours. The brush and drive motor carbon brushes check every 500 hours or once a year.
NOTE: Refer to the Service Manual for more detail on maintenance and service repairs.
4Store the machine indoors in a clean dry place. Keep from freezing.
5Turn the Master Key Switch (A) OFF (O) and remove the key.
SERVICING THE VACUUM MOTORS
Have your
IMPORTANT!
Motor damage resulting from failure to service the carbon brushes is not covered under warranty. See the Limited Warranty Statement.
LUBRICATING THE MACHINE
Once a month, pump a small amount of grease into each grease fitting on the machine until grease seeps out around the bearings. Wipe off any excess grease to avoid staining carpet.
Grease fitting locations (or apply grease to) (AA):
•Vacuum Deck Caster Wheels
Once a month lubricate the pivot points below. For best results, use a spray silicone lubricant.
•Steering Chain
•General Pivot Points for the Side Broom and Vacuum Deck Linkage.
•Steering Wheel Shaft Universal joint
•Side Broom Front Roller Bumper
FIGURE 5
HEPA FILTER MAINTENANCE
The HEPA filters may be cleaned when they become dirty. If cleaning is not sufficient to increase airflow then they will need to be replaced.
1See Figure 5. Loosen the two Screws (AE) then remove the Filter Panel (AF) from the back of the machine.
2Flip open the Clamps (AG) and pull out the HEPA Filters (AH).
3Use compressed air from the back side to blow out debris. Do not allow these filters to get wet.
