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Page -20- Clarke
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Operator's Manual -FOCUS S17/L17 and S20/L20
EN
To pre-wet brushes you should first turn the speed knob to
the lowest traverse setting on the "L" model. Then on both
the "S" and "L" models, lower brushes until brushes are
just touching the floor and the yellow light on the control
panel in illuminated. Activate the forward/reverse switch to
start motor and solution flow.
NOTE: On the "L" model, the machine will not move when
the traverse speed knob is rotated fully counterclockwise.
7. Adjust the flow of clean solution to the flow desired.
8. Move the machine across the floor in the forward
direction.
9. Make a 180° turn.
NOTE: When you make more passes across the floor, let
the brush clean approximately 2 inches (5 cm) of the area
already cleaned by the brush.
NOTE: During most cleaning procedures, apply and
remove the solution in one operation.
How To Clean A Very Dirty Floor
To clean a very dirty floor, follow this procedure:
1. Apply solution to the floor.
2. Do not lower the squeegee. This will keep the vacuum
motor off.
3. Lower the brush or pad and scrub the floor.
4. Scrub the floor again with additional solution and lower
the squeegee.
5. Pick up all the solution with the squeegee.
WARNING: Maintenance and repairs must be done by
authorized personnel only.
WARNING: Always empty the solution tank and recov-
ery tank before doing any maintenance.
WARNING: Keep all fasteners tight.
These Maintenance Procedures Must Be Done
Every Day
Keep the machine clean, it will need fewer repairs and have
longer life.
Do These Procedures When You Begin Your Work Period
1. Disconnect AC power from battery charger (follow
charger instructions).
2. Store AC power cord to charger in machine storage
compartment (See Figure 29).
3. Make sure the screen filter is installed properly in the
recovery lid and is clean (See figure 30).
4. Make sure the recovery tank lid is on correctly (See
Figure 30).
How To Operate The Machine
Maintenance
Figure 29
Figure 30