FAST CLEAN SS WSC21 User manual

OWNER’S MANUAL
FAST
CLEAN
SS WSC21
Battery Powered Automatic
Walk-behind Scrubber
FAST CLEAN, INC.
210 Southwest Ave. Tallmadge OH 44278
[phone]
[email protected] www.fastclean.com

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2
Before operation or use of this machine, please carefully
read this manual.
When ordering the replacement parts, please refer to the
spare and accessory parts manual attached to the
machine. Before matching parts or accessories, please
first determine your machine model and serial number.
You can order parts and accessories from any authorized
service center or dealer. This machine can provide
excellent service. Please follow the instructions in the
manual.
Follow manufacturer’s instructions for operating the
machine.
Perform maintenance according to the maintenance
instructions provided in the operation manual.
Use the OE or same-grade parts for maintenance.
Please dispose of old machine components
such as packaging material, battery, etc. and
toxic liquid such as antifreeze and oil
according to your local regulations on waste
disposal and environmental safety.
Machine Information (Please fill in for future reference.)
Model number-
Machine number-
Machine option-
Sales representative-
Tel. of sales representative-
Customer ID-
Installation date-
Table of Contents
Precautions ......................................................................3
Basic Safety Instructions...................................................3
Maintenance Instructions .................................................3
Transporting the Machine ................................................3
Machine Diagram .............................................................4
Control Panel ...................................................................4
Machine Unpackaging ......................................................4
Battery Installation ............................................................4
Battery Power Gauge .......................................................5
Battery Charging ..............................................................5
Squeegee Installation .......................................................5
Scrub Brush/Scrub Pad Installation .................................6
Scrub Brush & Scrub Pad Recommendations .................6
Replacement of Squeegee ..............................................6
Before Running the Scrubber ..........................................6
Filling the Solution Tank ...................................................6
Starting the Machine ...................................................... 7
Running the Machine ..................................................... 7
Daily Maintenance .......................................................... 7
Drainage of Recovery Tank ........................................... 8
Monthly & Quarterly Maintenance .................................. 8
Machine Storage ............................................................ 8
Troubleshooting ............................................................. 9
Specifications.................................................................. 10
Warranty Card ............................................................... 10

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Precautions
This machine is intended for indoor hard floors only.
Please use the suggested scrubbing pads and brushes as
well as the manufacturer recommended cleaning chem-
icals suitable for this machine.
All operators should read, understand, and observe the fol-
lowing safety precautions and guidelines in this manual.
Warning! Fire or explosion hazard:
The battery releases hydrogen. Please keep away from
spark or open fire. The battery compartment should be
kept open when charging.
Do not use flammable liquid in the machine. Do not
operate the machine where there are flammable liquids,
vapors or dust.
This machine is not equipped with an explosion-proof
motor. If it is used where there is flammable vapor, liquid
or dust, the electric motor may generate a spark while
starting the machine. This may cause flash fire or
explosion.
This machine is not recommended for vacuuming up
flammable materials, reactive metals, or corrosive liquids.
Warning! To avoid injury, turn off the power before
performing routine maintenance on the machine. We also
recommend disconnecting the battery wiring before
performing any electrical maintenance.
Basic Safety Instructions
1. Before starting the machine please ensure that all safety
guards are in place and operating correctly.
2. Proceed slowly when operating on a slope or slippery
surface, or when turning the machine.
3. Please discontinue use and have machine serviced if
it is damaged or not operating properly.
4. Follow the chemical manufacturer’s mixing ratio and
instructions.
5. Do not leave machine unattended without first turning
off the power.
6. Do not allow children on or around the machine.
7. Please wear anti-skid shoes.
Maintenance Instructions
All maintenance should be carried out by trained, qualified
personnel.
Do not change the original design of the machine without
consulting the manufacturer.
Use replacement parts provided or recognized by the
manufacturer or local dealer.
Turn off machine and disconnect battery wiring before
performing maintenance. Avoid moving parts. Do not wear
loose clothing that may catch in the machine.
If performing maintenance on batteries, wear appropriate
safety gear such as gloves, apron and safety glasses.
Avoid contact with battery acid as it is extremely corrosive.
Wash immediately with soap and water if you come in
contact with battery acid.
We do not recommend using pressure washer or steam
cleaner to clean the machine.
Instructions for Transporting the Machine
1. Please turn off the power before moving the machine.
2. Lift the brush head to the transport position.
3. Use a ramp when loading or unloading the machine.
4. Lean the front of the machine closely against the front
part of the truck or trailer in order to brace for tie down.
5. When the machine is in place, lower the brush head,
and make sure the key is in the off position.
6. Place blocks behind the wheels to keep the machine
from sliding.
7. Use a rope or strap to tie the top of the machine in order
to keep it from shifting during transportation.
8. For safety: when transporting the machine, we recom-
mend using a ramp when loading or unloading the
machine from truck or trailer.

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Machine Diagram
1. Steering (Brush Propelled)
2. Control Panel
3. Recovery Tank Drain Hose (on back)
4. Squeegee Raise/Lower Lever
5. Vac Hose (on back)
6. Brush Head Lift/Lower Pedal
7. Battery Charge Port (on back)
8. Squeegee Assembly
9. Wheels
10. Adjustable Solution Flow Lever (on back)
11. Recovery Tank Lid
12. Solution Tank Fill Port (inside)
13. Battery Compartment & Lock Nuts (lift\
recovery tank)
14. Brush Head
Control Panel Operations
1. Forward/Reverse (Manual)
2. Brush On/Off
3. Power On/Off (Key switch)
4. Vac On/Off
5. Battery Power Indicator
Machine Unpackaging
1. After receiving, please inspect whether there is damage
to the packing crate of the machine. If there is, please
immediately notify carrier.
2. Check the freight list. If there is any omission, please
contact the distributor. Your crate should contain:
- Two 12V wet, maintenance–free batteries - standard
- One 24V/15A battery charger - standard
- One set of battery cables - standard
- One squeegee - standard
- One scrub brush - standard
- One pad driver - standard
- (Optional) Other accessories - additionally purchased
3. Before unpackaging the machine, please remove
cardboard box and loosen or cut the straps that fasten the
machine to the pallet. With at least one other person,
carefully unload the machine from the pallet.
Note: Please install the batteries after unloading the
machine from the pallet. (See following).
Do not drive the machine directly off the pallet without
using a ramp.
Battery Installation & Instructions
Warning: Fire or explosion hazard. The batteries release
hydrogen. Please keep away from spark or open flame.
The battery compartment should be kept open when
charging.
For safety: Please wear appropriate protective gear:
safety glasses, apron and gloves when performing battery
maintenance or wiring. Avoid contact with battery acid.
Place the machine on the level ground and take out the
start key.
Lift up the recovery tank to access the battery compart-
ment. (Make sure the recovery tank is clean and dry first).
Place batteries into the battery compartment and connect
the battery wiring according to the diagram on next page:
1
2
1
3
4
5
Black
Red
Be careful that
the poles are
connected
properly!
1
2
3
5
6
7
8
9
12
13
14
10
4
11

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Note: Place batteries carefully into compartment in order to
avoid damage to the battery and the machine.
Before connecting the batteries, please inspect whether
the electrodes and terminals are clean. Use terminal
cleaning fluid and wire brush as required.
Paint a thin layer of metal-free lubricating oil or protective
spray on the connected wiring to avoid battery corrosion.
After the batteries are installed, please check the power
gauge. If all lights are lit, batteries are ready for use. If
not, batteries need to be recharged.
Battery Power Gauge
The battery power gauge will display the power level of the
battery. When the batteries are fully charged, all indicator
lights will be on. As the machine runs and power is drawn
from the batteries, the indicator lights will go out. In order
to prolong the life of the batteries, do not let the batteries
run completely down.
Battery Charging
Note: To prolong the life of the batteries and ensure the
optimum efficiencyof the machine, the batteries should be
charged after the machine has been used 30 minutes or
more. Please do not let batteries run too low before
recharging. Do not leave batteries unused for long periods of
time, without recharging routinely, as they will slowlylose
their charge even when not in use. The following charging
instructions are specifically for the charger attached to this
machine. Please besure to use the charger of the following
specification to avoid damaging batteries.
Charger specifications:
Battery type –maintenance free wet batteries
Output voltage - 24V
Output current - 15A
Intended for deep cycle battery charging
Charger lights indicate the following:
- Red: Battery or charger failure. Try replacing batteries
or contact local service center for assistance.
- Yellow: Charging is completed.
- Green: Battery charging is in progress.
Proper ventilation is recommended in the area where
batteries are being charged.
Warning! Fire or explosion hazard. The batteries release
hydrogen. Please keep away from spark or open flame. Do
not place tools, metal shavings or other metal instruments
on batteries as this could cause an electrical arc.
1. Stop and park the machine on level ground and
turn off power with the key.
2. Before charging, check the electrolyte level in each
battery (if batteries are not the standard maintenance-
free type).
3. For safety: Please wear appropriate protective gear:
safety glasses, apron and gloves when performing
battery maintenance or wiring. Avoid contact with
battery acid.
4. When charging, please open recovery/solution
tank to facilitate ventilation.
5. Plug the AC (alternating current) power cord of the
charger to the outlet/power source.
6. Plug the DC (direct current) power cord of the charger to
the battery charging port at the rear of the machine.
7. The charger will automatically begin charging, and will
automatically switch off when the batteries are fully
charged.
Note: The machine will not operate while it is charging.
While charging, please do not pull the DC cord out of the
port at the back of the machine. If charging must be halted
before it is complete, please unplug the AC power cord
from power source first.
8. After the charging is completed, recheck the electrolyte
level in the batteries (only if equipped with non-
maintenance-free batteries).
Contact your local service center or authorized dealer if
you have questions regarding battery maintenance or type
of batteries to use with this machine. Note: maintenance-
free gel batteries may be available with this model as a
non-standard option. Contact your dealer for details.
Installation of Squeegee Assembly
1
2
Be careful that
the poles are
connected
properly!

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1. Connect vac hose into port.
2. Adjust squeegee pitch by turning knob.
Scrub Brush and Pad Driver Installation
1. Turn off machine with key switch. Remove key.
2. Lift brush plate 45° and rotate counterclockwise
direction.
3. Remove scrub brush or pad driver.
4. Install new scrub brush or pad driver and rotate
clockwise until it fits into place.
5. Rotate brush plate back into place.
Note:Turning thestar knob on the brush head clockwise
accelerates brush/pad speed. Turning the knob counter-
clockwise decelerates
brush/pad speed. We
recommend lowering the
brush speed before the
installation process and
returning brush speed to
normal afterward. Adjust
knob until brush/pad
operates at the desired
speed/pitch.
Scrub Brush and Scrub Pad Recommendations
In order to ensure the optimum efficiency, please use the
suggested type of brush or pad for the surface you are
cleaning. Please read the following:
Soft nylon brush (white) –Recommended for use on
coated floors to avoid abrading the surface.
Polishing pad (white) –Recommended for maintaining
highly smooth or polished floors.
Scrubbing pad (red) –Recommended for lightly scrubbing
dirt without damaging the floor.
Grit scrub pad (black) - Recommended for aggressively
removing heavy buildup or base or super-powerful
scrubbing.
Please consult your local dealer if you have any questions.
Replacement of Squeegee
1. Park the machine on level ground, turn off power switch
and take out the start key.
2. Lower squeegee assembly to operating position by
pulling down the lever on the back side.
3. Disconnect the vac hose (1).
4. Unscrew the star handles (2).
5. Take out wing nuts (3).
6. Remove squeegee from bracket and flip over or replace
with new squeegee if all edges are worn (4).
7. Replace wing nuts (3).
8. Screw in the vac hose assembly and tighten star
handles (2).
9. Connect the vac hose to the port on squeegee
assembly (1).
10. Examine thesqueegee and adjust so that it fits the
assembly and meets the floor properly
11. Squeegee assembly may rotate up to 5° in order to
clean more efficiently. Turn the adjustment knob (5) in
order to adjust pitch.
Checklist Before Running the Scrubber
□Check the battery power. Charge batteries if less than a
full charge is indicated by the power gauge. New
batteries take about 6 hours to charge.
□Check the condition of the scrub brush or pad. Replace if
they are worn. (Pads may be flipped over and reused.
Replace if they are worn on both sides.)
□Check the condition of the squeegee and reposition or
replace if needed. (Squeegee edge should be square
and meet the floor properly). Clean squeegee if needed.
□Check that the recovery tank is empty and that floating
filter screen is clean. Replace if needed.
□Check the condition of the skirt around the scrub deck.
Replace if worn.
Operating Instructions
Filling the Solution Tank
1. Open the recovery tank lid.
Note the port on the right
hand side of the front of the
machine. This is where to pour cleaning detergent
1
2
2
3
3
3
3
5
4

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and water for use in scrubbing.
2. Use only low foam detergents recommended by
the manufacturer. Do not use harsh solvents or corro-
sive cleaning agents in the machine.
3. Do not use a higher concentration of cleaning chemical
than what is recommended by the chemical
manufacturer.
4. Do not use water or solution hotter than 140°F.
If you have any questions regarding chemicals or mixing
ratio, consult chemical manufacturer instructions or your
local dealer.
Starting the Machine
1. Switch the key of the main power supply to the ON
position. (Note the power level gauge. If it does not
indicate full charge, please charge the batteries before
running the machine).
2. Pull down the squeegee lifting lever (in the middle on
the back side) to lower the squeegee assembly to the
ground.
3. Step on the brush head raise/lower pedal (on the back
side, bottom right) to lower the brush head to the ground.
4. Turn on the solution control valve (on back side, top left)
to dispense cleaning solution.
5. Turn on the brushes.
6. Turn on the vac motor.
7. Push the handlebars forward to drive forward and
backward to drive backward. Amount of pressure
determines drive speed.
Running the Machine
Warning: Fire or explosion hazard. Do not attempt to vac
up flammable or corrosive liquids or dust, or reactive
metals.
1. Overlap each cleaning pass by 3 inches.
2. Keep machine moving while scrubbing in order to avoid
abrading floors.
3. If there are drag marks on the floor behind the squee-
gee, you mayneed to clean or replace the squeegee (if
it is worn down) or turn off solution flow and run scrubber
over the area again with vac turned on.
4. Do not operate the machine on any slope steeper than 2%.
5. We strongly recommend using onlylow foam detergents
in the scrubber. Consult your local dealer for details. If
you are getting too much foam while cleaning, we
recommend pouring a defoaming agent into the recov-
ery tank. Also try using a lower concentration of cleaner.
Note: Do not let the foam enter the filter screen so as to
avoid damage to vacuum motor. The foam mayalso
damage the switch of the filter screen.
6. Use a double pass method for cleaning extremely dirty
floors. Lift squeegee assembly for first pass. Deposit
detergent and let sit for 3-5 min. Then lower the
squeegee, turn on the vac, and run the second pass.
7. Keep an eye on the power consumption of the batteries.
Normal run time for brand new batteries is about 4 hours.
8. Observe the liquid level through the liquid meter of the
solution tank (if equipped). Normal consumption for
10 minutes of operation is about 1.3 gallons.
9. When the solution tank is empty, before refilling it,
be sure to empty the recovery tank completely.
10. If the machine is to be left unattended, stop and place
the machine on level ground. Switch off power and
take out the key.
11. After running the machine, carry out daily maintenance
procedures.
Daily Maintenance
1. Turn off solution flow with lever on top left of back side.
2. Turn off brushes and vac withswitches on control panel.
3. Raise squeegee assembly with lifting lever on back side.
4. If solution tank is not completely
empty, push machine to drain-
age area and open valve to
allow solution tank to drain out
(see picture).
5. Drain, flush, and clean recovery tank (see following sec-
tion). Leave tank open and allow to air dry.
6. Clean squeegee and inspect for wear. If working edge
is not square, reposition or replace as needed. (See
“Installation and Replacement of Squeegee”).
7. Wipe down with machine with cloth and multipurpose
cleaner.
8. Check vac filter. Clean or replace if necessary.

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9. Rinse brushes or scrub pads. Replace if they are worn
out.
10. Charge the batteries. To prolong the life of the
batteries and ensure the optimum efficiency of the
machine, the batteries should be charged if the
machine has been run for more than 30 minutes.
Drainage of Recovery Tank
After each use, the recovery tank should be drained and
cleaned. Filters and hoses should also be inspected for
corrosion or blockage, and cleaned and replaced as
needed.
Follow these steps for draining & cleaning the recovery
tank:
1. Switch off machine with power key and take the
machine to the drainage/maintenance area.
2. Unscrew (counterclockwise) the
lid of the recovery tank drainage
hose and take the hose down.
Be sure hose will direct waste
flow into drain or other designated
waste disposal area.
3. Once the recovery tank has completely drained, open the
lid of the recovery tank and rinse with clean water. Allow
waste to continue to drain out of tank through the hose.
If tank is especially dirty, scrub lightly with scrub brush
and appropriate multipurpose cleaning agent. (Do not use
harsh solvents, pressure washer, or steam to clean the
interior of the recovery tank.) Consult manufacturer or local
dealer if you have any questions.
4. Dismantle and flush the floating filter screen in the
recovery tank. Dry and replace when finished. Inspect
for corrosion and wear. Replace filter if necessary.
5. Allow all waste and rinse water to drain from recovery
tank then leave open to air dry.
Monthly Maintenance (or after 80 hours of use)
In addition to daily maintenance, we recommend the
following maintenance procedures to keep your machine in
prime working condition.
Warning: Electric shock hazard. Disconnect the battery
wiring before performing electrical maintenance on the
machine.
1. Remove the filter of the solution tank clean the filter
screen. Ensure the solution tank is emptied before
dismantling the filter.
2. Clean the top of the battery to prevent terminal
corrosion. Check battery acidity level and perform
battery maintenance if needed.
3. Inspect battery wiring and make sure it is in proper
position and in good condition.
4. Check and clean the cover of the recovery tank and
seals and replace if there is any damage.
5. Spray silica gel dry lubricant on all pivots and wheels,
and coat with a layer of water-proof lubricating oil to
ensure smooth operation.
6. Check the nuts and bolts on the machine and tighten if
they are loose.
7. Check for leaks.
Quarterly Maintenance (or every 250 hours)
Examine the condition of the carbon brush of drive motor
(if equipped), vac motor, and brush motor. When the
abrasion length of the carbon brush is within 10mm (3/8
in), the carbon brush needs to be replaced. Please contact
your local dealer or authorized service center.
Machine Storage
1. Please charge the batteries before storing the machine.
2. Drain, thoroughly clean, and air dry the recovery tank.
(Storing the machine without cleaning the recovery tank
may cause a buildup of harmful bacteria or odors.)
3. We recommend storing the machine indoors in a dry
place.
.
4. Store with the brush head in raised position.
5. Leave the cover of the recovery tank open.
6. If the scrubber will be stored in a cold environment,
please be sure to drain all liquids from the machine or
use antifreeze.

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Troubleshooting
The machine will not operate.
Batteries have no power.
Charge batteries.
Batteries will not charge.
Replace batteries
Battery wiring is not
connected.
Check battery wiring for loose
connection. Tighten if needed.
Fuse has blown.
Replace the fuse.
Brush motor will not work, or brushes will not
turn.
Brush head is raised.
Lower brush head.
Something has entangled
the brush head and
prevented it from turning.
Check brushes and remove
obstructions.
Batteries have run down.
Charge batteries.
Brush switch is faulty.
Please contact service center.
Carbon brush on motor is
worn out.
Please contact service center.
Vac motor will not work.
Squeegee is in raised
position.
Lower the squeegee assembly.
Batteries have run down.
Charge batteries.
Vac motor fuse has blown.
Replace vac fuse.
Vac motor or vac motor
wiring has failed.
Please contact service center.
Carbon brush on vac motor
is worn out.
Please contact service center.
Machine is not vacuuming properly
Vac motor cover seal leaks.
Replace vac motor cover seal.
Vac filter is clogged.
Clean or replace vac filter.
Vac hose is clogged or hose
leaks.
Clean or replace vac hose.
Squeegee is worn or
damaged.
Reposition or replace the
squeegee.
Solution flow valve is closed.
Open solution flow valve.
The recovery tank is full.
Drain the recovery tank.
Vac motor has failed.
Contact service center.
Little or no cleaning solution flows out of
machine.
The solution tank filter or
hose is blocked.
Inspect filter and hoses and
clean them.
Flow control is set too low.
Adjust flow control.
Bolt on flow control knob is
loose.
Tighten bolt on flow control
knob.
Run time has shortened.
Batteries have worn out.
Replace batteries.
Battery charger has failed.
Replace charger or contact
service center.

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Specifications
Specification
Unit
SS WSC21
Specification
Unit
SS WSC21
Voltage
V
24 (2 x 12)
Brush speed
rpm
185
Amperage
AH
100
Brush pressure
lb/in2
3.2
Run Time
hours
4 (approx.)
Vac motor power
hp
.67
Cleaning width
in
21
Drive motor power
hp
-
Vacuuming width
in
30
Solution Tank Capacity
gal
13
Drive Speed
mph
2.5
Recovery Tank Capacity
gal
14.5
Cleaning efficiency
ft2/h
22,600
Weight (w/batteries)
lb
428
Brush motor power
hp
.87
Machine Dimensions
in
46 x 21 x 42
Warranty Card
(please fill out and return to dealer)
Name Phone #
Address
City State Zip
Purchase Date Invoice #
Model # Serial #
Local Dealer Local Dealer City/State
Warranty provided with purchase invoice.