Sunmax RT-50D, Operator'S Manual

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Daily operation and maintenance
Battery installation
Warning: battery is heavy.
Install 2 12V maintenance-free batteries. The new battery shall be fully charged before first use, and can be fully charged
and discharged for 5 times.
1. Remove soft pipes (20, 21) form water tank (19).
2. Make sure the sewage tank is empty, and then lift it up.
3. Put battery on the pallet in place.
4. Connect all cables.
Warning: make sure the red terminal (+) is connected to positive pole (+), and black terminal (-) is
connected to the negative pole (-). If the connection is wrong, the machine will not work.
Failure to follow the above rules will result in battery damage and a risk of explosion. Add protective
lubricant on the battery electric pile and place the terminal protection device on all electric piles.
Battery charge
Warning: only use the battery charger designed for this machine,
otherwise it may cause battery damage.
Remove the sewage tank from the machine, and unplug the control panel. Then
connect the charger plug to the power plug of the battery terminal. Plug the other
end of the charger into the wall socket, the charger will automatically charge the
battery.
Squeegee installation
1. Push the squeegee release handle (3) up to locked position.
2. Put the squeegee assembly on the rotating arm, ensure that the guide wheel
is facing the rear end of the squeegee.
3. Tighten 2 squeegee mounting handles (6).
4. Insert the squeegee pipe (20) in the middle outlet of squeegee,
make sure it fits tightly.
Needle seat and brush installation
1. Step on the brush lifting pedal (4) at the back of the machine to lift the brush mat.
2. When the needle seat/ brush (14) is lifted, insert it into the lower metal plate, rotate the
brush counterclockwise until it is locked.
Fill water tank
Note: please use a low-foaming detergent. To avoid a lot of foam, inject a little defoaming solvent before
cleaning. Do not use pure acids
Excessive foam can damage the suction motor, be sure to add the minimum amount of detergent
1. Open water tank cover ( 17).
2. Add required water into the tank (16), the water temperature shall not exceed 50
℃
, the max capacity of the water tank
is 50L.
3. Add cleaning chemicals without oxidizing agents, chlorine or bromine, formaldehyde, or mineral fluxes, such as acid or
alkaline cleaners.
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