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OPERATING THE MACHINE
WARNING !
Be sure you understand the operator controls and their functions.
While on ramps or inclines, avoid sudden stops when loaded. Avoid abrupt sharp turns. Use low speed down hills. Clean only while
ascending (driving up) the ramp.
To Scrub...
Follow the instructions in preparing the machine for use section of this manual.
1
While seated on the machine, adjust the steering wheel to a comfortable operating position using the adjustment control (5).
2
Turn the Master Key Switch (33) ON (I). This will display the control panel indicator lights, reference the Battery Condition Indicator (31) and Hour Meter
(32).
3
Release the Parking Brake (6) by sliding the set/release lever to the right while pushing on the Brake Pedal (6). To transport the machine to the work
area, apply even pressure with your foot on the front of the FWD/REV Drive Pedal (8) to go forward or the rear of the pedal for reverse. Vary the pressure
on the foot pedal to obtain the desired speed.
4
Adjust the Solution Flow Control Valve Lever (7) to about 1/4 to 1/3 open position. Note the adjustment can be changed to allow variable solution flow
for different types of floors to be scrubbed. Example: A rough or absorbent floor surface, such as unfinished concrete, well require more solution than
a smooth finished floor.
5
Press the Solution Control ON/OFF Touch Pad (30) and hold for 5 seconds. This is done to pre-wet the floor. Note: This will help prevent scarring of
the floor surface when starting to scrub with dry brushes.
6
Press the Normal Scrub Button (26) for moderate scrub deck pressure or the Heavy Scrub Button (27) for the highest pressure mode. Note refer to the
machine control description section to the have more detailed explanation of this and other control panel functions.
7
When either the Normal Scrub Button (26) or Heavy Scrub Button (27) are selected, the brushes and squeegee automatically are lowered to the floor.
The machine's scrub brushes rotation and solution system flow starts when the FWD/REV Drive Pedal (8) is activated. Note: When operating the machine
in reverse, only the brushes will rotate, the solution is automatically shut off to conserve the solution usage.
8
Begin scrubbing by driving the machine forward in a straight line at a normal walking speed and overlap each path by 2-3 inches (50-75 mm). Adjust when
necessary the machine speed and solution flow according to the condition of the floor.
CAUTION !
To avoid damaging the floor, keep the machine moving while the brushes are turning.
9
When scrubbing, check behind the machine occasionally to see that all of the waste water is being picked up. If there is water trailing the machine, you
may be dispensing too much solution, the recovery tank may be full, or the squeegee tool may require adjustment.
10
For extremely dirty floors, a one-pass scrubbing operation may not be satisfactory and a "double-scrub" operation may be required. This operation is the
same as a one-pass scrubbing except on the first pass the squeegee is in the up position (press the Vacuum Button (29) to raise the pick up squeegee).
This allows the cleaning solution to remain on the floor to work longer. The final pass is made over the same area, with the squeegee lowered to pick
up the accumulated solution.
11
The recovery tank has an automatic float shut-off to prevent solution from entering the vacuum system when the recovery tank is full. When the float shut-
off is activated, the control system will shut down the scrub, vacuum and solution systems. The Vacuum System Fault Indicator (38) will be lit and the
Hour Meter / Status Display (32) will display "FULL". To clear the display, press the Scrub OFF Button (25). When the float closes, the recovery tank
must be emptied. The machine will not pick up water with the float closed. NOTE: If the control repeatedly gives a full indication when the tank is not
full, the automatic shut-off feature can be disabled, have a qualified service technician perform this function.
12
When the operator wants to stop scrubbing or the recovery tank is full, press the Scrub OFF Button (25) once. This will automatically stop the scrub brushes
and solution flow and the scrub deck will raise UP. NOTE: the vacuum/squeegee system will not be turned off when the button is only pressed once,
this is to allow any remaining water to be picked up without turning the vacuum back on. Press the button a second time and the squeegee will raise and
the vacuum will stop after a 10 second delay.
13
Drive the machine to a designated waste water "DISPOSAL SITE" and empty the recovery tank. To empty, pull the Drain Hose (21) from it's rear storage
area, then remove the plug (hold the end of the hose above the water level in the tank to avoid sudden, uncontrolled flow of waste water). Refill the solution
tank and continue scrubbing.
36 - FORM NO. 56041451 - Hydro-Retriever
™
2800 / BR 700
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