Clarke MA50 15B CLARKE380B User manual

Form No. 56091128 7/2014 REV A
MA50 15B
Instructions For Use - Original Instructions / Instrucciones de uso / Mode d’ emploi
Model: CLARKE380B
This book has important information for the use and safe operation of this machine. Failure to read this book prior to oper-
ating or attempting any service or maintenance procedure to your Clarke machine could result in injury to you or to other
personnel; damage to the machine or to other property could occur as well. You must have training in the operation of this
machine before using it. If your operator(s) cannot read this manual, have it explained fully before attempting to operate this
machine.
All directions given in this book are as seen from the operator’s position at the rear of the machine.
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INSTRUCTIONS FOR USEA - ENGLISH
TABLE OF CONTENTS
Page
Safety Precautions ....................................................................A-2
Machine Components................................................................A-3
Machine Set Up & Installation.......................................... A-4 – A-6
Machine Operation ....................................................................A-6
After Each Use ..........................................................................A-7
Battery Charging & Maintenance...................................... A8 – A-9
Technical Data...........................................................................A-9
Troubleshooting.......................................................................A-10
Parts List........................................................................D-2 – D-17
SAFETY PRECAUTIONS
This machine is intended for commercial use. It is constructed for use in an indoor environment and is not intended for any other use. Use only
recommended accessories.
All operators shall read, understand and exercise the following safety precautions:
1) Do not operate machine:
• Unless trained and authorized.
• Unless you have read and understand operators manual.
• In flammable or explosive areas.
• If not in proper operating condition.
• In outdoor areas.
2) Before operating machine:
• Make sure all safety devices are in place and operate properly.
3) When using machine:
• Go slow on inclines and slippery surfaces
• Follow all safety guidelines.
• Be very careful when using the machine in reverse.
• Report and fix any damage to machine prior to operating it.
4) Before leaving or servicing machine:
• Stop machine on level ground.
• Turn off machine.
5) When servicing machine:
• Read operators manual thoroughly prior to operating or servicing this machine.
• Use manufacturer supplied or approved replacement parts.
• Secure machine with wheel blocks prior to jacking the machine up.
• Use approved jack or hoist to safely elevate the machine.
• Disconnect batteries prior to working on machine.
• Wear gloves when handling batteries or battery cables.
• Avoid any contact with battery acid.
• Avoid moving parts. Do not wear loose fitting clothing while servicing machine.
WARNING !
Batteries emit hydrogen gas. Explosion or fire can result from hydrogen gas. Keep sparks and open flames away! Keep battery
compartment open when charging.
Flammable materials can cause an explosion or fire. Do not use flammable materials in tanks.
Flammable materials or reactive metals can cause explosion or fire. Do not pick up.

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MACHINE COMPONENTS
1 Recovery Tank Lid
2 Recovery Tank
3 Solution Tank
17 Recovery Tank Latch
18 Vacuum Rubber Connectors
20 Solution Inlet
22 Solution Tank Drain Cap
23 Recovery Tank Drain Cap
24 Operating Triggers
25 Handle Adjustment Lever
26 Squeegee Raise/Lower Handle
29 Battery Charger
30 Battery Charge Indicators
31 Solution Ball Valve
33 Squeegee
37 Squeegee Blade Thumb Nuts
46 Control panel
47 Main switch
48 Brush motor switch
49 Vacuum motor switch
50 Solution switch
51 Battery indicator
52 Brush motor indicator
53 Vacuum motor indicator
54 Solution indicator
47 48 49 50
51 52 53 54
2
33
26
3
20
22
1
17
25
31
24
30
37
29
23
18
46

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INSTRUCTIONS FOR USEA - ENGLISH
MACHINE SET UP & INSTALLATION
UNCRATING MACHINE
Be sure and check packing carton for any damage. Immediately report any damage to carrier.
Check contents of package to ensure that the following items are included:
Machine1.
Batteries(x2)2.
Squeegee assembly3.
Owner’s Manual4.
Electric Battery Charger Manual (if equipped)5.
Connecting wire for battery and charger (if equipped)6.
Brush7.
BATTERY DISASSMBLY AND INSTALLATION
Switch off the main switch. (47)1.
Remove the recovery tank. (2)2.
Remove the bolt from batteries. (16) Remove or change batteries.3.
Install the batteries on the machine according to the diagram below.4.
Install the recovery tank.5.
WARNING !
Do not connect+ to +,or - to-,when disassembly or install the batteries. It is very dangerous.
BATTERY CHARGING
Charge the batteries. (see Maintenance section)
MACHINE SET UP
Pre-operation checks
Sweep or dust mop the surface to be cleaned.1.
Check that squeegee is properly installed.2.
Lower the squeegee (33) with the lever. (26)3.
Ensure batteries are fully charged. (see Battery Charging section)4.
Check that brush is properly installed.5.
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ENGLISH - AINSTRUCTIONS FOR USE
BRUSH/PAD DRIVER INSTALLATION AND DISASSEMBLY
NOTE
Only install manually. If automatically installed, it will wear brush hub.
Make sure that the tanks are empty before removing the brush.
Turn off the machine.1.
Lay down the machine in the position shown in figure 2. Pull up lift lever (26) to raise the squeegee. (33).2.
Mount the brush or pad driver onto the drive wheel hub and then rotate counterclockwise until it locks, as indicated in figure 3.3.
To remove the brush/pad, rotate the brush/pad clockwise until it is released from drive hub.4.
WARNING !
Do not turn on the machine in this position as below. In case of brush/pad come out or cause injury.
SQUEEGEE INSTALLATION
Turn off the machine. (47)1.
Pull down the squeegee lift lever (26) to put down the squeegee in the “working” position.2.
Lay down the machine in this position as shown in figure2.3.
Loosen the two knobs (55) on the squeegee and slide the squeegee into the slots on the squeegee brackets.4.
Tighten the knobs securely. (unscrew the knobs, if to remove)5.
To replace the front/rear squeegee, (56/57) unscrew the thumb knobs (37).6.
FIGURE 2
FIGURE 3

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INSTRUCTIONS FOR USEA - ENGLISH
SOLUTION TANK FILLING
NOTE
The machine can be filled with a hose or bucket. Do not remove the Solution filter (21) while filling.
Fill water into solution tank (3) from the inlet (20) through hose or bucket.1.
Do not overfill the solution tank. It is best to leave a an inch from the top edge.2.
The water temperature must not exceed 403. ℃.
CAUTION !
Use only low-foam and non-flammable detergents, intended for automatic scrubber applications.
SOLUTION TANK DRAINING
NOTE
Solution tank should be drained and cleaned after each scrubber operation is completed.
Unscrew the drain cap (22) on the bottom of solution tank. The solution/water will flow freely into a bucket or floor drain.1.
Rinse the solution tank with clean water after every use. This will help prevent chemical buildup and clogging of the solution lid.2.
Replace the drain cap. (22)3.
RECOVERY TANK DRAINING
NOTE
Recovery tank should be drained and cleaned after each scrubber operation is completed.
Turn the latch (17) on the recovery tank. Remove the recovery tank from machine by grasping two grooves of tank and pulling up. Open the1.
lid (1) and overturn the recovery tank to drain the dirty water into a container, or unscrew the drain cap (23) to let water drain into a bucket.
Clean and Rinse the recovery tank with clean water after every use.2.
Re-place the recovery tank on the machine and turn the latch (17) to lock the tank in place.3.
MACHINE OPERATION
Set the handle to a comfortable height by pressing level. (25)1.
Lower the squeegee (33) onto floor by pulling down the lift handle. (26)2.
Turn on the main power switch. (47)3.
Turn on the brush motor switch (48) and the solution switch. (50)4.
Turn on the vacuum motor switch. (49)5.
If necessary, adjust the water flow by manually turning the ball valve. (31)6.
Pull one or both operating triggers. (24) The brush will spin & solution will begin to flow. Push the machine forward to start cleaning.7.
NOTE
If the battery indicator light (51) is green, the machine can be used. If it is yellow or red, the batteries must be charged.
CAUTION !
Before lifting the brush, turn off the main power switch. (47)
If the control panel (46) lights flash simultaneously, this indicates the machine is overloaded. Please turn off all the switches on the
control panel (46) to reset the machine. If problem persists, contact authorized service provider.
Operating machine with discharged batteries may cause harm to the batteries or to the machine.

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ENGLISH - AINSTRUCTIONS FOR USE
AFTER EACH USE
After scrubbing, please proceed with below actions before storing the machine:
Remove the brush / pad-holder.1.
Empty the tanks as shown in the previous paragraph.2.
Perform the daily maintenance procedures. (see Maintenance section)3.
Store the machine in a clean and dry place, with the brush / pad-holder and the squeegee up.4.
If storing in an area that may reach freezing temperatures, be sure to drain all fluids from the machine prior to storage. Any damage caused5.
by freezing will void the warranty.
MACHINE STORAGE
If the machine is not going to be used for more than 30-days, please proceed with below actions:
Perform the procedures shown in ‘After Each Use’ section above.1.
Disconnect the battery connector.2.
MAINTENANCE
The lifespan of the machine and its maximum operating safety are ensured by correct and regular maintenance. The following chart provides the
scheduled maintenance. The intervals shown may vary according to individual working conditions.
WARNING !
Maintenance procedures must be performed with the machine switched off and the batteries/battery charger cable disconnected.
Moreover, carefully read the instruction in the Safety chapter.
All maintenance procedures must be performed by qualified personnel, or by an authorized Service Center.
This Manual describes only the most common maintenance procedures.
For additional maintenance procedures, contact your local Service Center.
SCHEDULED MAINTENANCE TABLE
After each use Weekly Every six months Annually
Battery charging
Squeegee cleaning
Brush cleaning
Clean tank, vacuum screen & check top cover
gasket
Squeegee blade check and replacement
Inlet filter cleaning
Screw and nut tightening check
（1）
Lubricate rotary parts
（1）
Check brush motor carbon brushes （2）
Check vacuum motor carbon brushes （2）
(1) = After the first 8 working hours.
(2) = This maintenance procedure must be performed by an authorized Service Center.

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INSTRUCTIONS FOR USEA - ENGLISH
BATTERY CHARGING
NOTE
Charge the batteries when the yellow or red indicator, (51) or at the end of every work cycle.
CAUTION !
Proper battery care will extend battery life
If the machine is not equipped with on-board battery charger, choose an external battery charger suitable for the type of batteries
installed.
WARNING !
Please use Clarke approved charger to charge the batteries.
Place charger and machine in a well-ventilated area.1.
Turn machine off.(47)2.
Remove the recovery tank,(2) exposing battery compartment.3.
Plug the charging cable to the grounded wall outlet (100v~240v). Connect the charging cable to the machine socket.4.
The charging light (30) indicates the batteries are charging. A green light indicates battery charging is completed.5.
Upon the completion of charging, first unplug the charging cable from the wall outlet and then disconnect from machine.6.
Replace the recovery tank.7.
NOTE
For further information about the operation of the battery charger, (29) see the charger section.
SQUEEGEE CLEANING
NOTE
For optimal performance, the squeegee blades must be clean, dry and undamaged.
CAUTION !
It is advisable to wear protective gloves when cleaning the squeegee because there may be sharp debris.
SQUEEGEE BLADE CHECK AND REPLACEMENT
Take off the squeegee as shown in the previously.1.
Check the edges of the front & rear blades for cracks. If necessary replace with new blades.2.
Unscrew six the thumb nuts (37) to remove the blades.3.
Check the front & rear blades for cuts and tears. If damage is found, you can flip the blades once & re-install. If already flipped, please4.
replace with new blades.
Install the squeegee in the reverse order of removal.5.

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ENGLISH - AINSTRUCTIONS FOR USE
BRUSH /PAD DRIVER CLEANING
CAUTION !
It is advisable to wear protective gloves when cleaning the brush/pad because there may be sharp debris.
Remove the brush/pad as shown in “Machine Use” section.1.
Clean and wash the brush/pad with water and detergent.2.
Check the brush bristles for integrity and wear. If necessary, replace the brush.3.
Check the pad for wear. If necessary, replace the pad driver.4.
RECOVERY TANK MAINTENANCE
CAUTION !
It is advisable to wear protective gloves when cleaning the tank and vacuum/suction assembly because there may be sharp debris.
Move the machine to the appointed draining area.1.
Turn off the main switch.(47)2.
Remove the recovery tank, (2) clean and rinse both solution/recovery tank, and drain out.3.
Remove vacuum gasket & filter. Clean and re-install.4.
Check the recovery tank lid gasket and the vacuum rubber connector (18) for wear. Replace if necessary.5.
NOTE
The gasket ring of recovery tank and the rubber connector between two tanks create vacuum in the tank. If necessary, replace them.
TECHNICAL DATA
MODEL MA50 15B
Machine length / width / height 770x500x550MM
Solution tank capacity 15L
Recovery tank capacity 15L
Wheel diameter 254MM
Brush motor 24V/250W
Vacuum motor 24V/250W
Solenoid valve 24V
Maximum gradient when working 2%
Sound level 70dBA
Standard Batteries Dry:（2×12V）24V 33Ah
Batteries size 196 x 130 x 175mm
Power cable length N / A
Cleaning productivity 750m2/hour
Squeegee width 490mm
Brush diameter 380mm
Brush rpm 150rpm
Charger Input 110-224Vac,50-60HZ；Output 24Vdc,5A
Machine net weight 60kg
Machine weight(with charger and package) 65kg
Carton spec 780x415x590MM

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INSTRUCTIONS FOR USEA - ENGLISH
TROUBLESHOOTING
Trouble Possible Cause Remedy
The machine does not work,
indicator light (51) do not turns on
The battery connector is disconnected Connect
The batteries are completely discharged Charge the batteries
The power line disconnected from the power Connect
The machine does not work,
indicator light (51) display red
The batteries are discharged Charge the batteries
Brush motor does not work, brush
indicator light (52) does not turn
on.
The PCB or key board is broken Change the PCB or key board
Brush motor does not work, brush
indicator light (52) flashes
The deck motor is overloaded Use less aggressive brushes suitable for the floor
to be cleaned
Obstruction preventing the brush from rotating Clean the brush hub
Vacuum system motor does not
work, vacuum motor indicator light
(53) does not turn on
The PCB or key board is broken Change the PCB or key board
Vacuum system motor does not
work, brush indicator lights (53)
flash
The vacuum motor is overloaded Check the vacuum motor
Insufficient vacuuming / water
pickup
The recovery tank is full Empty the recovery tank.
The hose is disconnected from the squeegee Re-connect
Vacuum assembly is clogged Clean or check
The squeegee is dirty, or the squeegee blades
are worn or damaged
Clean and check the squeegee
The recovery tank do not latched closed Lock the latch (17)
The tank cover is not properly closed, or the
gasket is damaged
Close the cover properly or replace the gasket
The solution flow is insufficient The solution filter is dirty Clean the filter
The solution is empty Refill solution tank
Solution flow control valve (31) is clogged Clean the valve
The solution is dirty Clean the solution
The squeegee leaves marks on
the floor.
There is debris under the squeegee blades Remove the debris
The squeegee blades are worn, chipped or torn Replace the blades