MC D510S User manual

Operator’s Manual
D510S Semi-automatic Floor Scrubber
●Please read this Operator’s Manual carefully and make sure fully
understand before using the appliance.
●Please keep this Manual for future reference.

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TABLE OF CONTENTS
Warranty ............................................................................................................................. 3
Safety Instructions .............................................................................................................. 3
Machine Set-Up.................................................................................................................. 4
Machine Specification ........................................................................................................ 5
Daily Operation and Maintenance...................................................................................... 5
How to Install Batteries .................................................................................................. 5
How to Charge the Batteries........................................................................................... 6
How to Install the Squeegee ........................................................................................... 6
How to Install Pad Holder and Brush............................................................................. 6
How to Fill the Solution Tank ........................................................................................ 6
How To Operate The Machine ........................................................................................... 6
How to Turn the Vacuum Motor On and Off................................................................. 6
How to Lower/Raise the Brush/Pad................................................................................ 7
How to Lower/Raise the Squeegee................................................................................. 7
How to Set the Solution Flow......................................................................................... 7
What to Do When You’re Operating The Machine............................................................ 7
Vacuuming Up Solution ................................................................................................. 8
How to Control Excess Foam in the Recovery Tank...................................................... 7
How to Empty the Recovery Tank.................................................................................. 8
Maintenance........................................................................................................................ 8
Daily................................................................................................................................ 8
Weekly............................................................................................................................ 8
Monthly........................................................................................................................... 8
Troubleshooting.................................................................................................................. 9

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Warranty
D510S by MC takes pride in producing high quality, durable products. D510S by MC
product carries a limited one(1) year warranty against defects in workmanship and
materials from the date of purchase under normal household use. Warranty does not
apply to defects due to direct or indirect abuse, negligence, misuse, accidents, repairs or
alterations and lack of maintenance. Please keep your receipt as proof of purchase. This
warranty gives you specific legal rights, and you may have other rights, which vary from
state to state.
Safety Instructions
FOR COMMERCIAL USE
READ ALL INSTRUCTIONS BEFORE USING THIS MACHINE
-Use indoors only. Do not expose to rain.
-Do not allow it to be used as a toy. Use caution when operating near children.
-Use only as described in this manual.
-Use only manufacturer’s recommended accessories.
-Charge batteries in a ventilated room. Gases given off during charging could ignite in
a confined space. To avoid an explosion, top cover should be open and battery caps
installed when charging.
-Disconnect all positive and negative battery terminals before attempting any
adjustment or maintenance. Traction drive and vacuum motors and components can
cause injury if accidentally started.
-Battery acid can cause injury to the eyes or skin. Wear protective goggles, gloves and
clothing BEFORE filling or charging batteries.
-If charger is not working properly, (due to it being dropped, damaged, left outdoors or
exposed to water) return it to MC Service Center.
-Do not handle the plug or machine with wet hands.
-Do not put any objects into openings. Keep the openings unblocked
-Keep it away from dust, lint, hair and anything that may reduce air flow.
-Keep hair, loose clothing, fingers and all body parts away from openings and moving
parts.
-Make sure the main power switch is OFF before removing or installing pads or
brushes.
-Never operate the machine if you are tired or under the influence of drugs and/or
alcohol.
-Always operate the machine while standing behind it.
-Use care when working on electrical terminals. Short circuits can cause burns.
-Do not store the machine on inclines.

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Machine Set-Up
1. Power indicator 10. Water level
2. Brush button 11. Suction hose assembly
3. Squeegee button 12. Brush lift pedal
4. Drain out hose assembly 13. Guard wheel
5. Power switch 14, Water adjust valve
6. Supplementary protector for brush motor 15, Support wheel for squeegee
7. Supplementary protector for suction motor 16. Squeegee rubber blades
8. Battery charger socket
9. Squeegee release handle

Machine Specification
Model No.
D510S
Brush Width
20in
Squeegee Width
33.5
Solution Tank
12Gal
Recovery Tank
13Gal
Brush Rotation
175rpm
Efficiency
25824sq.ft/h
Voltage
24V
Vacuum Motor Power
0.73HP
Brush Motor Power
0.73HP
Weight
340lbs
Length x Width x Height
51*20*42
Note:
MC preserves rights to improve the technology without prior notice.
So, the machine may not match these manuals, figures completely.
Daily Operation and Maintenance
How to Install Batteries
Caution: Batteries are heavy.
Install (2) 12-volt batteries. New Batteries should be given a full
charge before first use. Limit use of new batteries during first 5
cycles.
1. Make sure the recovery tank is empty then turn down
the recovery tank.
2. Place batteries on the tray. Use the bracket to secure
them. Position them correctly.
3. Connect all the cable terminals.
Caution: Make sure you connect RED (+) cable
terminals to positive (+) posts and BLACK (-) cable
terminals to negative (-) posts. Machine will not operate
if not connected properly. Failure to do so will result in
damage to batteries and possible explosion.
4. Spray each post with a protective lubricant. Place
battery terminal protectors over all posts.

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How to Charge the Batteries
Caution: Only use a battery charger designed for the machine. Failure to do so
can result in damage to the batteries.
Plug the charger red plug to the machine charging plug located near the key switch. Plug
the other charger plug to 220V/120V wall outlet. The charger will automatically begin to
charge the batteries.
How to Install the Squeegee
1. Put squeegee Release Handle (9) in the UP and locked position.
2. Position the squeegee blade assembly on the swing arm. Make sure the guide wheels
face the rear of the squeegee.
3. Place the suction hose over the nozzle. Make sure it fits tight.
How to Install Pad Holder and Brush
1. Raise the brush pad by stepping on Brush Lift Pedal (12) at the rear of the machine.
2. With the pad holder/brush in lifted position, insert it into the plate underneath by
turning it counter-clockwise until it locks.
How to Fill the Solution Tank
1. Open the solution fill cover .
2. Fill the solution tank with the desired level of clean water.
3. Add cleaning chemical.
Do not overfill.
How To Operate The Machine
1. To turn the power on, turn the power switch (5) on.
The power/battery indicator (1) will light up.
2. Check the battery capacity to see if it is full .If the red
light flash, means that you need to charge the machine
ASAP.
3. Release the brush pedal (12), turn on the brush motor,
the solution flows also.
4. Lay down the squeegee release handle (9), press suction
button (3).
Turn off the brush motor when the brush deck is in
the up position.

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How to Lower/Raise the Brush/Pad
1. To raise the brush pad, step down the pedal
2. To lower the brush pad, slightly step on the Brush Lift
Pedal (12) to unlock it, and raise it up slowly.
How to Set the Solution Flow
Adjust the water flow based on the floor conditions. Turn the water adjust valve(14) up,
to enlarge the water flow, turn down the valve, reduce the water flow.
What to Do When You’re Operating the Machine
Vacuuming Up Solution
1. Make sure the squeegee is in the down position.
2. As the machine moves forward and solution is dispensed, the squeegee will vacuum it
up into the recovery tank.
3. If necessary adjust squeegee pressure by the two turning knob in the behind of the
squeegee.
If solution is missed, reduce the amount of solution flow and pull the machine back over
the missed area. You can go forward or backward and pick up solution.

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How to Control Excess Foam in the Recovery Tank
Watch the liquid as it accumulates in the recovery tank. If you notice excess foaming,
stop the machine. Add the recommended amount of chemical defoamer in the recovery
tank.
How to Empty the Recovery Tank
Open the Recovery Drain Hose (4) to empty the Recovery tank.
Maintenance
Daily
1. Empty and rinse the recovery tank with clean water. Leave the tank cover open on
top to air dry.
2. Remove the squeegee assembly, rinse and wipe clean. Check the squeegee inlet for
clogs or debris.
3. Clean and wipe the tops of batteries with an ammoniated window cleaner.
4. Charge the batteries as described in this manual.
Weekly
Never test the strength of the battery unless it is fully charged and cool.
Check the battery cells with a hydrometer.
Monthly
1. Lubricate brush and squeegee lift mechanisms with light oil.
2. Check for wear or damage of clutch plate, brushes, pads or squeegee blades.
3. Clean all battery terminals.
4. Check all electrical connections and tighten if any are loose.
5. Clean the entire machine with all purpose cleaner.

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Troubleshooting
Problem:
Possible Cause:
Solution is not being
picked up
Vacuum motor is not running
Water filter is clogged
Recovery tank is full
Squeegee or vacuum hose is clogged, broken or disconnected
Bad seal at tank cover, vacuum motor or squeegee
Worn or misaligned squeegee blades.
Incorrect squeegee pressure.
Squeegee swing arm mechanism not functioning properly.
Squeegee is leaving
streaks
Debris is on blade
Blades are torn or damaged
Floors not properly swept before cleaning
Solution is not
feeding or turning off
properly
Clogging of hose or valve.
Batteries are not
holding a charge
Batteries need to be replaced
High current draw from high brush pressure
Charger needs servicing
Battery is run down
Floors are not being
scrubbed, stripped or
buffed properly
Brush motor not working
Excessive pad or brush wear
Going too fast over dirty spots
Inadequate solution feed
Inadequate cleaning procedure