EN
ENGLISH
-22-
Nilfisk ALTO
Operator's Manual (EN) - SCRUBTEC 866, 871, 866, Boost 8 and 871C
Figure 22
Figure 23
MAINTENANCE
Do These Procedures When You End Your Work
1. Drain the solution tank (if necessary) (Figure 22) and the
recovery tank (Figure 23). To drain the tanks , follow
this procedure:
a. Turn the key switch “OFF”.
b. Remove the drain hose from the back of the
machine.
c. Put the end of the hose over a drain or bucket.
d.
Recovery Tank:
Turn the drain cap counterclockwise to open.
Solution Tank:
When hose is lowered to water level, water will
flow.
2. Flush the tanks. To flush the tanks, put clean water in
the tank through the opening on top of the tank.
3. If a tank or drain hose has an obstruction, use a water
hose to flush the tank or hose. Put the water hose into
the drain hose.
4. Leave the tanks and the recovery drain valve open to
dry in the air.
5. Check the squeegee blade. Use a cloth to clean the
squeegee blade. If the squeegee blade is damaged or
worn, turn or replace the blade.
6. Check and clean the solution lid gasket. Use a mild
cleaning solution and rinse the parts in clean water.
Check the batteries and if necessary add distilled water
after charging. The correct level is within 1/4 inch (1/2 cm)
of the bottom of the tube in each cell.
CAUTION
:
Tap water may contain contami-
nants that will damage batteries.
Batteries must be refilled with
DISTILLED WATER ONLY.
WARNING: Lead acid batteries generate
gases which can cause an explo-
sion. NO SMOKING. Always wear
eye protection and protective
clothing when working near
batteries.
Use a clean cloth and wipe the surface of the machine.
Charge the batteries. See the instruction in the section of
this book called “How To Charge The Batteries”.
