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Operation, Maintenance & Troubleshooting
DUMP HOSE:
Under the recovery tank on the left side is the dump hose. This is used for dumping of the
recovery tank. To dump the recovery tank extend the hose from the machine and open the dump
valve. The dump valve is opened by flipping up the tab that is on the end of the valve. The hose
might need to be squeezed in the middle to allow the waste water to flow.
When the recovery tank is empty it is important to replace the valve on the end of the hose.
SQUEEGEE ADJUSTMENT:
The squeegee set-up is pre-adjusted at the factory. Adjustments may be required to get optimum
performance for different floors and conditions.
Pitch Control Adjustment:
Ensure that the scrubber is on a relatively flat surface. Turn on the main power switch and select
"Vacuum Only" mode.
Move the scrubber forward slowly while someone behind the machine checks the squeegee
blade for uniform deflection.
If uneven deflection or lay is evident, minor adjustments may be necessary to avoid streaking
and uneven wear on the blade.
To correct this, pitch adjustment is necessary. Loosen the pivot screw and the pitch screw. Move
the machine forward and allow the squeegee to level itself or adjust the angular position accordingly
to achieve a uniform blade deflection. Re-tighten the screws.
In certain applications where a different blade setup is required, the reinforcement blade may be
turned upside-down. The notch, which is normally on the bottom, will now be located on the top.
This adjustment allows the rear squeegee blade a larger deflection than normal.
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Minuteman PowerBoss Inc. Copyright 2000
3800 Rider Scrubber (7/02)
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