Unoclean UN18C Programming manual

Operator & Parts Manual
Electric Automatic Floor Scrubber
8021040
Model: UN18C
UnoClean
[email protected]
www.unoclean.com
847-683-9990 REV.01(11-2017)
Full operators and parts manual is available at www.UnoClean.com

HOW TO ORDER PARTS
Only use UnoClean Company supplied or equivalent parts. Parts and supplies may be
ordered online,by phone, by fax or by mail.
1. Identify the machine model.
2. Identify the machine serial number from the data label.
3. Ensure the proper serial number is used from the parts list.
4. Identify the part number and quantity.
Do not order by page or reference numbers.
5. Provide your name, company name, customer ID number,billing and shipping address,
phone number and purchase order number.
Please ll out at time of installation for future reference.
Model No.
Serial No.
Machine Options
Sales Rep.
Sales Rep. phone no.
Customer ID Number
Installation Date
READ OPERATOR MANUAL MANUAL CAREFULLY
Specifications and parts are subject to change without notice.
PROTECT THE ENVIRONMENT
Please dispose of packaging materials,old machine components
such as batteries, hazardous fluids, including antifreeze and oil,
in an environmentally safe way according to local waste disposal
regulations.
Always remember to recycle.
UN18C 2
IMPORTANT:To ensure full warranty protection,Please ll out
& return your warranty card.
UnoClean
[email protected]
www.unoclean.com
847-683-9990

SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
MACHINE COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
MACHINE SETUP & INSTALLATION . . . . . . . . . . . . . . . . . . 7
MACHINE OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . 8
WHILE OPERATING MACHINE . . . . . . . . . . . . . . . . . . . . . . . 8
TANK DRAINING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
PREVENTATIVE MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . 10
BASIC TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
TECHNICAL SPECIFICATION . . . . . . . . . . . . . . . . . . . . . 12
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
WEAR & TEAR PARTS LIST . . . . . . . . . . . . . . . . . . . 28
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
UN18C 3
TABLE OF CONTENTS

SAFETY PRECAUTIONS
UN18C 4
OPERATOR MANUAL
This machine is intended for commercial use. It
is designed exclusively to scrub hard oors in an
indoor environment and is not constructed for any
other use.Only use recommended accessories.
All operators should read, understand and
exercise the following safety precautions:
1. Do not operate machine:
– Unless trained and authorized.
– Unless you have read and understood the
operator's manual.
– In ammable or explosive areas.
– If not in proper operating condition.
– In outdoor areas and standing water.
2. Before operating machine:
– Make sure all safety devices are in place
and operating properly.
3. When using machine:
– Go slow on inclines and slippery surfaces.
– Follow all safety guidelines.
– Report and x any damage to machine prior
to operating it.
– Never allow children to play on or around
the machine.
– Do not operate on inclines that exceed
2%(3°).
4. Before leaving or servicing machine:
– Stop on level surface.
– Turn off machine.
5. When servicing machine:
– Read operator's manual thoroughly prior to
operating or servicing this machine.
– Use manufacturer supplied or approved
Flammable materials can cause an
explosion or fire. Do not use flammable
materials in tanks.
Flammable materials or reactive
mentals can cause explosion or fire. Do
not pick them up.

SAFETY PRECAUTIONS
Carefully read and understand this manual before operating this machine.
This machine must be grounded!
This scrubbing machine shall be grounded while in use to protect the operator from electric
shock.Grounding provides a path of least resistance for electric current. This machine is
equipped with a cord having an equipment-grounding conductor and grounding plug. The plug
must be plugged into an appropriate outlet that is properly installed and grounded in accordance
with all local codes and ordinances. Do not remove the ground pin under any circumstances.
This machine is for use on a nominal 110-volt circuit and
has a grounding plug that resembles the plug illustrated
in Figure. Make sure that the machine is connected to
an outlet having the same conguration as the plug. No
adapter should be used with this machine.
This machine is intended for commercial use. It is constructed for use in an indoor environment
and is nor intended for any other use. Use only recommended accessories.
1. Do not operate machine:
– Unless trained and authorized. – Unless you have read and
– In ammable or explosive areas. understood the operator's manual.
– With a damaged cord or plug – With the use of extension cords.
– If not in proper operating condition. – In outdoor areas and standing water.
2. Before operating machine:
– Make sure all safety devices are in place and operating properly.
3. When using machine:
– Do not run machine over cord. – Do not pull machine by cord or plug.
– Do not pull cord around – Do not unplug by pulling on the cord.
sharp edges or corners. – Do not stretch cord.
– Do not handle plug with wet hands. – Keep cord away from heated surfaces.
– Report machine damage or fault
operation immediately.
To avoid electrical shock,please replace the power cord immediately if any
damage is being detected. The replacement must be performed only by an
authorized person or by our customer service center.
4. Before leaving or servicing machine:
– Turn off machine. – Unplug cord from outlet.
5. When servicing machine:
– Unplug cord from outlet. – Use manufacturer supplied or
approved replacement parts.
Flammable materials can cause explosion or fire. Do not use flammable
materials in tanks or pick them up.
OPERATOR MANUAL
UN18C 5

MACHINE COMPONENTS
UN18C 6
OPERATOR MANUAL
Machine Structure
1. Brush cover 2. Brush 3. Cover tank
4. Recovery tank 5. Solution tank 6. 8" wheels
7. Squeegee 8. Control box 9. Trigger
10. Adjusting handle 11. Water filter 12. Ball valve
13. Squeegee lifting handle 14. Power cord hook 15. Brush/pad driving hub
16. Brush plunger 17. Plug of water filling port 18. Knob
19. Clear tube 20. Switch for brush motor 21. Switch for vacuum motor
23. Circuit breaker 24. Power cord 25. Support wheel
9
12
14
17
16
18 19
24
25
12
3
4
5
6
7
8
10
13
15
11
20 23 21

MACHINE SET UP & INSTALLATION
UN18C 7
OPERATOR MANUAL
UNPACK MACHINE:
Be sure and check packing carton for any damage. Immediately report any damage to carrier.
Be careful not to let machine vibrate while carrying, Check contents of package to ensure that
the following items are included: Machine, squeegee assembly, brush/pad driver.
1) Sweep the outside of the machine.
2) Check that squeegee and brush / pad is properly installed.
3) The forward speed of machine can be controlled by turning the handle(10). Turn the handle
clockwise to speed up machine. or turn the handle anticlockwise to slow down machine.
4) Make sure the working surface can support the machine weight, the gradient of the oor can’t
exceed the limit that machine allowed(2%).
INSTALLING THE SQUEEGEE:
1) Loosen the two knobs(18) on the squeegee and slide the squeegee into the slots at the rear
of the squeegee bracket. (the wheels on the squeegee point to the machine.)
2) Tighten the knobs securely.
MACHINE SET UP & PRE-OPERATION CHECKS:
INSTALLING PAD DRIVER OR BRUSH:
1) Turn off machine.
2) Tilt the machine backwards, line up the driving hub with the hole of brush or pad driver, make
sure the three blocks are tted into the three slots of the drive hub.
*If a pad driver is being used, the appropriate pad should be attached to the pad driver rst.
3) Push the plunger which on the brush cover to prevent the driving hub from rotating,then spin
the brush/pad clockwise with your another hand till the clip clamp the block on the brush/pad.
FILLING THE SOLUTION TANK:
1) The ll port is located at the rear of machine,pull the plug out of the hole.
2) Fill solution tank with water. (use a hose which link to a water faucet,water temperature
should not exceed 50° C) The clear tube(19) in the back right of the machine has gallon
markers to help determine the water level in the solution tank(5).
*Depending on the dirty level of the ground, add the proper amount of detergent into the
solution tank.
Do not put any flammable materials into solution tank. This can cause an
explosion or a fire. Only use recommended cleaning chemicals. Contact
your janitorial supply distributor for recommendations on proper chemicals.

OPERATOR MANUAL
UN18C 8
MACHINE OPERATION
Do not operate machine unless you have read and understand this manual.
1) Lower squeegee assembly to the oor by spin the squeegee lifting handle(13).
2) Turn brush motor switch(20) to “on” position.
3) Turn vacuum motor switch(21) to “on” position.
4) Rotate the ball valve(12) handle to vertical position. Solution will not begin to flow until the
operating triggers (9) are pulled.
5) To begin scrubbing, pull on the blue operating trigger(9), when this triggers is pulled, the pad
driver will begin to spin and the solution will begin to ow.
6) Begin scrubbing by moving the machine forward
Do not keep the machine in the same position with the pad / brush spinning,
or you might damage the floor.
7) Adjust solution ow by adjusting the position of ball valve knob.
WHILE OPERATING MACHINE
1) Occasionally open the cover tank(3) to see if there is any foam build-up. If excessive foam is
found, add defoamer to the recovery tank.
Foam must not enter the float shut-off screen, or damage can occur to the
vacuum motor. Foam will not activate the machine's float shut-off device.
2) Occasionally view the clear tube at the back left of the machine to check the amount of cleaning
solution that is left in the machine.
If the squeegee assembly leaves streaks on the oor, raise the squeegee off the oor and wipe the
blades down with a damp cloth.
Do not use your fingers to wipe or remove debris from the blades, as injury
may occur.
When the solution tank runs empty, turn off the brush switch and ball valve of solution tank. Keep
the squeegee down and continue to vacuum until all the dirty water is picked up.
TANK DRAINING
1) Turn the switches on the control panel to “off ” position.
2) Raise the squeegee, transport machine to approved area for draining tank(s).
Any time scrubbing is completed, or when refilling solution tank, the
recovery tank should be drained and cleaned.
If the recovery tank is not drained when the solution tank has been refilled,
foam or water may enter the float shut-off mechanism and cause damage to
the vacuum motor.

UN18C 9
OPERATOR MANUAL
1) Remove the drain hose from the holder, and place the drain hose over the oor drain. Twist off
the drain hose plug to begin the draining process.
2) Clean the recovery tank after every use. Use a fresh water hose to rinse out the recovery
tank. Be careful not to spray water into the oat shut-off mechanism.
If you are storing the machine for any period of time, keep the cover tank open
so the tank can dry completely and smell fresh.
DRAINING THE RECOVERY (DIRTY) TANK
DRAINING THE SOLUTION (CLEAN) TANK
Any time scrubbing operation is completed, the solution tank should be drained
and cleaned.
1) Pull down on the clear tube (back left of the machine) to remove it from the hose barb. This
will allow the solution to ow freely into a bucket or oor drain.
2) Rinse the solution tank with clean water after every use. This will help prevent chemical
buildup and clogging of the solution lines.
3) Once tank is rinsed, ushed and drained, reconnect the clear tube to the hose barb. Be sure
the tube is pushed all the way up on the hose barb.
4) Screw off the cover of the water lter(11) to compeletly exhaust the tank and check the lter
screen, clean it up if necessary.
5) Screw up the cover of the water lter(11),bu sure to install the screen and the "O" ring in the
correct position.
lter screen
"O" ring
lter cover

OPERATOR MANUAL
PREVENTATIVE MAINTENANCE
WARNNING: Before performing any maintenance on the machine, be sure that
the power is turned off, or the batteries are disconnected!
WARNNING: Repairs are to be completed by authorized service centers only.
Any repairs completed by unauthorized persons will avoid the warranty.
DAILY MAINTENANCE
1) Remove pad driver / brush and clean with approved cleaner.
2) Drain recovery and solution tanks completely and rinse out with clean water. Visually check
the recovery tank for debris and clean out as necessary.
3) Raise squeegee assembly off floor and wipe it down with a damp towel. Be sure to store the
squeegee in the up position.
4) Remove the oat shut-off assembly and rinse it out with clean water.
5) Clean machine with an approved cleaner and a damp towel. Don’t spray water to clean the
outside of machine to avoid damage to motor and wiring.
6) Unplug vacuum motor from power source and hose cuff & remove the drain hose from the
holder prior to removing the recovery tank when performing maintenance.
7) Check the condition of the squeegee blade wiping edge, rotate blade or replace it if worn.
UN18C 10
MOTOR MAINTENANCE
1) Contact your local UnoClean Distributor for any motor maintenance.
2) Check the motor brushes every 250 hours, Replace the brushes when they are worn to a
length of 10mm or less.
MONTHLY MAINTENANCE
1) Inspect and clean the recovery tank cover seal. Replace it if damaged.
2) Lubricate all grease points and pivot points with silicon spay and approved grease.
3) Check the machine for loose nuts and bolts.
4) Check the machine for leaks.
MACHINE STORAGE
1) Always store the machine indoors and in its upright position.
2) Always store the machine in a dry area.
3) Always take off the pad driver / brush before storage.
4) Always store the machine with the squeegee assembly raised off the oor.
5) If storing in an area which may reach freezing temperatures, be sure to drain all uids from the
machine prior to storage(include the lter). Any damage caused by freezing temperatures will not
be covered by the warranty.
6) Drain the recovery tank and keep the cover tank open so that it can "breathe" during storage.
7) Drain the solution tank of all uid.

UN18C 11
OPERATOR MANUAL
BASIC TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
No Power
The wiring not connected
correctly or bad wiring
Check the wiring or contact UnoClean
Distributor
Bad brush motor Contact UnoClean Distributor
Carbon brushes worn out Contact UnoClean Distributor
Vacuum
motor does
not run
The wiring not connected
correctly or bad wiring
Check the wiring or contact UnoClean
Distributor
Bad vacuum motor Contact UnoClean Distributor
Carbon brushes worn out Contact UnoClean Distributor
Little or no
solution ow
Bad ball valve Contact UnoClean Distributor
Bad solution valve Contact UnoClean Distributor
Ball valve position in need of
adjustment
When ball valve is in horizontal position,the
amount of solution ow is maximum.
Poor water
pick up
Squeegee clogged Clean debris off squeegee with a damp towel
Squeegee blades worn Install new squeegee blades
Squeegee not mounted
correctly
Conrm that the squeegee assembly is securely
fastened to the machine and not loose tting.
Vacuum hoses have a hole or
are loose
Check hose connections and make sure they
are rm. Replace hose if damaged.
Vacuum hose may be clogged Check hose for debris and remove any clog.
Drain hose stopper is loose Tighten drain plug.
Vacuum motor is loose Tighten vac motor mounting screws. Do not
over tighten or damage will occur.
cover tank is loose Conrm the cover tank is securely in its place.
Recovery tank is full Drain recovery tank
Float shut off is clogged Remove oat shut off from inside recovery tank
and remove any debris

UN18C 12
OPERATOR MANUAL
TECHNICAL SPECIFICATION
ITEM PARAMETER
Working Width 18in / 450mm
Squeegee Width 30in / 762mm
Productivity rate 12915 ft2h / 1200m2h
Brush Dia. 18in / 450mm
Brush Speed 180rpm
Max Pad Pressure 55lbs / 25kg
Voltage 120VAC
Brush Motor 0.75hp / 550W
Vacuum Motor 0.7hp / 500W
Solution Tank Capacity 9.25Gal / 35L
Recovery Tank Capacity 10.57Gal / 40L
Machine Weight (w/o batteries) 138lbs / 62.5kg
Machine Length 45.87in / 1165mm
Machine Height 40.35 in / 1025mm
Machine Width 20.5in / 520mm
Power cord Length 82ft / 25m
Max Gradient 2%
Type of Drive Brush assisted
Noise Level 70 dB
Working Vacuum 155 mbar

PARTS LIST
UN18C 13
RECOVERY TANK ASSEMBLY

PARTS LIST
UN18C 14
RECOVERY TANK ASSEMBLY
DIA PART DESCRIPTION NO
NO NUMBER REQ'D
1 8011001 RECOVERY TANK 1
2 1221410 PH SCREW M4×10,SS 3
3 8021031 DECAL,LEFT 1
4 8023006 18C LOGO 2
5 8011030 DRAIN HOSE 1
6 8012007 CONNECTING PLATE 1
7 8012008 BUSHING 1
8 1421618 PLAIN WASHER 6×18×1.6 3
9 1221616 PH SCREW M6×16, SS 1
10 1962050 HOSE CLAMP 27-51mm 2
11 8011200 AMETEK VACUUM MOTOR 110V, 500W, KIT 1
12 8011003 VACUUM HOSE 1
13 8011026 CARBON BRUSH FOR 120VAC VACUUM MOTOR 2
14 1113608 SELFLOCKING NUT M6 3
15 1411612 PLAIN WASHER 6×12×1.6 3
16 8011007 MUFFLER 1
17 8112005 GASKET 1
18 8112006 BOLT 3
19 1111605 HEX NUT M6 3
20 8021032 DECAL,RIGHT 1
21 8023005 UnoClean LOGO 1
22 8011009 PLATE 2
23 1421409 PLAIN WASHER 4×9×0.8,SS 5
24 8111015 FLOAT CAGE 1
25 8111014 FLITER COUPLING 1
26 1021616 HEX HEAD BOLT M6×16 2
27 8111001 GASKET 1
28 8113007 RUBBER STRIP 1
29 1321110 AUTO TAPPING SCREW ST3.5×10 1
30 8131003 CAP 1
31 1123406 SELFLOCKING NUT M4, SS 1

PARTS LIST
UN18C 15
COVER TANK ASSEMBLY
COVER TANK ASSEMBLY
DIA PART DESCRIPTION NO
NO NUMBER REQ'D
1 8012005 COVER TANK 1
2 8012003 WARNING LABLE 1
3 8011005 CAP 1
4 8012002 GASKET 1

PARTS LIST
UN18C 16
SOLUTION TANK ASSEMBLY

PARTS LIST
UN18C 17
SOLUTION TANK ASSEMBLY
DIA PART DESCRIPTION NO
NO NUMBER REQ'D
1 8013001B SOLUTION TANK 1
2 1321110 AUTO TAPPING SCREW ST3.5×10 1
3 8210531 KNOB, M6 1
4 1221640 PH SCREW M6×40, SS 1
5 1421409 PLAIN WASHER 4×9×0.8 1
6 8133002 PLUG 1
7 8013003 TRANSPARENT HOSE 1
8 8034012 BRACKET, CASTER 1
9 8013016 2" CASTER 1
10 1421618 PLAIN WASHER 6×18×1.6 3
11 1422616 SPRING WASHER 6 SS 3
12 1021616 HEX HEAD SCREW M6×16,SS 3
13 1021830 HEX HEAD SCREW M8×30,SS 1
14 1422821 SPRING WASHER 8 3
15 1421824 PLAIN WASHER 8×24×2.0 1
16 8016010 WHEEL SHAFT 1
17 1421816 PLAIN WASHER 8×16×1.6 2
18 1021820 HEX HEAD SCREW M8×20,SS 4
19
8115200 8" WHEEL 2
1612607 BALL BEARING, 6004LU 4
20 1421828 PLAIN WASHER 8×28×3 2
21 8115206 WHEEL CAP 2
22 1962025 HOSE CLAMP 1
23 8023004 DECAL,RIGHT 1
24 8013002 BACKET 1
25 1221510 PH SCREW M5×10,SS 4
26 1421510 PLAIN WASHER 5×10×1,SS 4
27 8113009 WIRE CLAMP 4
28 8023003 DECAL,LEFT 1

PARTS LIST
UN18C 18
CONTROL BOX ASSEMBLY
CONTROL BOX ASSEMBLY
DIA PART DESCRIPTION NO
NO NUMBER REQ'D
1 1421409 PLAIN WASHER 4×9×0.8 11
2 1211516 PH SCREW M5×16 4
3 1113305 SELFLOCKING NUT M3 2
4 1021820 HEX HEAD BOLT M8×20 6
5 1411824 PLAIN WASHER 8×24×2 6
6 1113507 SELFLOCKING NUT M5 4
7 8114030 FIXING BRACKET,CONTROL BOX 1
8 8113104 HANDLE 1

PARTS LIST
UN18C 19
DIA PART DESCRIPTION NO
NO NUMBER REQ'D
9 6210111 HOSE CLAMP 1
10 1221416 PH SCREW M4×16 SS 2
11 8014010 SQUEEGEE LIFTING HANDLE 1
12 8014008 CONTROL BOX 1
13 8034010 SQUEEGEE LIFTING ROPE 1
14 8114511 JOINT BEARING SQ6 1
15 1421618 PLAIN WASHER 6×18×1.6,SS 4
16 1121605 HEX NUT M6 2
17 1421828 PLAIN WASHER 8×28×3 2
18 1021830 HEX HEAD BOLT M8×30 2
19 1221512 PH SCREW M5×12 1
20 1221516 PH SCREW M5×16 SS 2
21 8014044 PLATE 1
22 8114005 PIPE COUPLING 1
23 8014037 PANEL, BOTTOM 1
24 8014038 GASKET 1
25 8014068 OVERLOAD PROTECTOR 10A 1
26 8014053 POWER CORD 1
27 1221410 PH SCREW M4×10,SS 17
28 1123608 SELFLOCKING NUT M6,SS 1
29 8034011 BAFFLE 1
30 1421512 PLAIN WASHRE 5×12×1.5 6
31 1021512 HEX HEAD BOLT M5×12,SS 1
32 8014101 LIFTING ROPE SPACER 1
33 1021630 HEX HEAD BOLT M6×30,SS 1
34 8014006 WATERPROOF SWITCH 250V 16A 2
35 8014041 WIRE CLAMP 1
36 8014043 WIRE BUFFER 1
37 1221614 PH SCREW M6×14 1
38 1422616 SPRING WASHER 6 1
39 2320403 STRAIN RELIEF 1
40 8024001 PANEL DECAL 1
41 8014005 FRONT PANEL 1
42 8014004 GASKET 1
43 8114101 SHAFT 1
44 1221412 PH SCREW M4×12,SS 2
45 1411409 PLAIN WASHRE 4×9×0.8 2
46 1432411 SPRING WASHER 4 2
47 8014033 PLATE 1
48 8024022 CONTROL TRIGGER 1
49 1534608 SET SCREW M6×8 4
50 8014031 HEX BUSHING 1
51 8014032 SPRING ROD 1
52 8014035 SPRING 1
53 1211325 PH SCREW M3×25 2
54 1411309 PLAIN WASHER 3×9×0.8 4
55 8014071 SWITCH 1
56 8014061 SWITCH BRACKET 1
57 8014002 REAR PANEL 1
58 8014034 BRACKET 1

PARTS LIST
UN18C 20
BRUSH ASSEMBLY
23