Aztec 20" ProScrub User manual

OWNER’S MANUAL
READ and UNDERSTAND this material before operating or servicing
this equipment. Failure to understand how to safely operate this
tool could result in an accident causing injury or death.
201 COMMERCE DRIVE • MONTGOMERYVILLE, PA 18936
215-393-4700 • 800-331-1423 • FAX [phone]
20" ProScrub
AZTEC PRODUCTS, INC.
!
8783/01.08
PROSCRUB WARRANTY
This quality product is warranted to be free from defects in workmanship and materials.
The warranty is limited as follows:
Component Term of Warranty
Rotational molded parts 3 years
Vacuum Motor 1 year
Brush Motor 1 year
The warranty does not apply to certain consumable or wear parts such as:
Sqeegee Blades
Motor Carbon Brushes
The warranty does not apply to damage or failure caused by abuse, misuse, neglect,
disassembly, alteration or repair, lack of proper maintenance, theft, or damage by freight
carriers. The warranty applies to parts, labor, and ground freight only. It does not cover
incidental or consequential damages.
In order to obtain parts warranty the following procedure must be followed:
1. Call your direct purchase source, distributor or Aztec to obtain an RGA (Return Goods
Authorization) number.
2. Return defective part via prepaid ground freight to your purchase source with RGA
number clearly marked on packaging. Enclose a copy of the original purchase invoice.
3. Pack machine or parts carefully for return. We are not responsible for inbound freight
damage.
4. Only authorized dealers may make warranty repairs.
The need for proper care and maintenance for this product cannot be overstated. Poor
maintenance, neglect or abuse can void this warranty. Never leave your machine in a truck
or outside storage area where there is a potential for freezing. Read and follow the Maintenance
Schedule in your Owner’s manual.
Vacuum motors carry a one year warranty, however motors showing any of the following signs
of abuse will be excluded from coverage:
a. Signs of moisture in or on the fan/mount chamber area. (This means that water or foam
has been sucked through the motor, voiding the warranty.)
b. Dirty motors, where failure has been caused by inadequate filtering resulting
from a failure to maintain motor and keep filter clean.
You have purchased a quality product. Each of its components has been tested and approved for
use in this application. It is unlikely that you will ever have a warranty claim if you properly
maintain your machine.
This warranty is non-transferable.

ProScrub PG. 11
PG. 2 ProScrub
INTRODUCTION
The 20” ProScrub Automatic Scrubber is
designed to scrub floors in an indoor
environment and is not recommended for any
other use. All operators must read and
understand this manual before operating the
ProScrub.
SCRUBBER SPECIFICATIONS
L 44" W 23" 35" Wt. 325#
Solution tank capacity 12 gal.
Recovery tank capacity 15 gal.
Cleaning path 20"
Pad/brush diameter 20"
Squeegee width 30"
Brush Motor ¾ hp, 220 RPM
Vacuum Motor ½ hp, 2 stage, 24volt
Scrubbing pressure 65#
Batteries 2 – 130 amp/hour, 12volt
Deep cycle, lead/acid
RECOMMENDED SAFETY PROCEDURES:
1. The ProScrub should only be operated by
fully qualified maintenance personnel.
a. Do not operate, maintain, or service this
scrubber unless you are trained and
authorized.
b. Do not operate unless this manual is read
and understood.
c. Do not service or operate this scrubber if it
is not in proper operating condition.
2. Never attempt to ride on or otherwise attach
any type of rider platform to this scrubber.
3. Extreme caution should be used whenever a
ramp is used to load or unload this scrubber.
Never attempt to make turns on the ramp.
4. Do not park or leave the scrubber unattended
prior to loading or unloading.
5. Never operate this scrubber with the dash
panel removed. Always operate this scrubber
with the brush cover, battery cover, and all
side panels in the correct position.
6. Remove all loose objects from floor before
operating. Loose objects may become
dangerous projectiles when they come in
contact with revolving brushes/pads.
7. Keep scrubber moving along floor to avoid
burning or damage to floor surface.
8. Never use flammable or explosive cleaning
solutions such as gasoline, kerosene,
solvents, thinners, etc. in the solution tank in
an attempt to remove grease, oil, tar, etc.
from floors. Never operate scrubber where
flammable liquids or gases are present.
9. Always turn the master switch to the “OFF”
position whenever the scrubber is not in use.
Never leave scrubber parked on an uneven
floor. Always store scrubber safely.
10. When charging the scrubber, always
disconnect the AC plug before connecting or
disconnecting the DC plug.
11. BATTERIES ARE DANGEROUS
a. BATTERIES EMIT EXPLOSIVE GASES.
Always charge them in a well ventilated
area, keep hood open, wear eye protection
and face shield. Never smoke or use flame
or sparks around the batteries.
b. HAZARDOUS VOLTAGE! Severe shock or
electrocution can result. Always unplug
power-cord or disconnect batteries before
servicing machine.
c. BATTERY ACID CAN CAUSE BURNS.
Wear protective gloves when working with
them. Do not store them outside or let
water, chemicals, or any liquid come in
contact with them or the electrical system
of the scrubber. Damage will occur.
CHARGING BATTERIES
1. Charger Specifications
a. Output voltage – 24 volts
b. Output current – 10 to 20 amps
c. Automatic shutoff circuit
2. For deep cycle battery charging, life
expectancy of a battery is based on the
number of charges it receives. To get the
most life from your battery, recharge when
the meter drops into the red zone.
a. Do not continue to run the scrubber after
meter has gone into the red zone.
b. Do not let batteries sit uncharged for long
periods of time.
TROUBLESHOOTING
PROBLEM SYMPTOM SOLUTION
No power, nothing Batteries need charging Charge the batteries
runs Batteries faulty Replace batteries
Loose battery cable Tighten cable connection
Batteries not connected
Properly
Brush motor does Faulty brush switch Contact service center
not run Machine circuit breaker has tripped. Allow motor to cool down, breaker
will automatically reset.
Faulty wiring Contact service center
Faulty brush motor Contact service center
Carbon brushes worn Replace if worn to 3/8 or less
Faulty solenoid Contact service center
Vacuum motor does Faulty vacuum switch Contact service center
not run Faulty wiring Contact service center
Faulty vacuum motor Contact service center
Carbon brushes worn Replace if worn to 3/8 or less
Short run time Batteries not fully charged Charge batteries
Bad cell in one or more batteries Replace battery
Batteries need maintenance See “Battery Maintenance”
Faulty charger Replace charger
Little or no solution Solution flow lever is not activated Push flow lever forward
flow Solution line is clogged Remove hose and blow compressed
air through it. Then flush with
clean water
Solution valve is clogged Remove valve and clean. Do not
scratch or damage inside
Solution flow adjustment knob Turn knob down to increase flow
needs adjusting
Poor squeegee pickup Recovery tank is full Empty tank
Ball float shutoff screen is clogged Remove screen and clean
Squeegee is clogged with debris Clean squeegee
Squeegee blades are worn Replace blades
Squeegee thumbscrews are loose Tighten screws
Vacuum hose connections are loose Push hose firmly onto connections
Vacuum hose is worn or has a hole Replace
Vacuum is clogged with debris Remove debris
Tank gasket is defective Replace gasket
Recovery tank water inlet is plugged Empty recovery tank and tilt
sideways to remove clogged debris
Recovery tank lid is loose Tighten lid
Vacuum motor is loose Tighten down vacuum motor
Do not over-tighten!
Battery charge is low Do not run scrubber if meter is
in the red zone
WARNING!
!

PG. 10 ProScrub
c. ake sure that you recharge the batteries
in a well-ventilated area.
d. Batteries emit explosive gases. Keep away
from sparks and flame.
3. ake sure all switches are in the “OFF”
position.
4. Open recovery tank to access batteries.
5. Plug charger into receptacle near battery
compartment.
6. Plug charger into grounded wall outlet
AFTER connecting charger to scrubber.
Charger will automatically begin charging
and will shut off automatically when
batteries are fully charged.
7. Do not use an adapter or remove grounded
blade on plug.
8. After charger has turned off, first unplug it
from the wall outlet, then from the scrubber.
BRUSH/PAD DRIVE ASSEMBLY
1. Lower brush head by stepping down on top
pedal; push pedal forward to lower.
2. Position squeegee so that it is centered
behind the scrubber.
3. Tilt scrubber back onto squeegee to access
motor hub for installation. Do not leave the
scrubber tilted back any longer than
necessary to avoid damaging squeegee
blades.
4. Pad installation:
a. Remove plastic centerlok from pad driver.
b. Center pad on a pad driver and re-attach
centerlok.
c. Be sure to attach pad to pad driver before
installing driver to motor hub.
DRAINING AND FILLING THE TAN S
1. Before draining either tank, make sure all
switches are at the “OFF” position.
2. When moving the scrubber to either fill or
drain, make sure brushes and squeegee are
in the “UP” position.
3. Draining the Recovery Tank:
a. Remove drain hose from holder. To
completely drain, open tank sideways.
b. Unscrew clear lid on recovery tank and
use hose to rinse out tank.
c. ake sure to rinse out thoroughly after
each use. This will prevent odors or
mildew from forming.
d. Replace drain hose. Close tank.
4. The Recovery Tank must be drained every
time before refilling. If it is not drained
before solution tank is refilled, foam or
water will enter the vacuum standpipe and
damage will occur. This damage is not
covered by warranty.
5. Draining the Solution Tank:
a. Pull hose off bracket at back of the
machine and drain into a bucket or floor
drain.
b. Flush solution tank with clean water after
each use. This will prevent chemical
buildup.
c. Drain rinse water out through hose drain.
d. Open solution flow lever to clean out
solution flow system.
e. Reconnect hose to bracket. ake sure it
is tightly connected.
6. Filling Solution Tank:
a. ake sure solution flow is completely
shut off.
ProScrub PG. 3
WARNING!
Disconnect power
before working
Electric shock
may occur
!
WARNING!
A person who has not read and does
not understand all operating instructions
is not qualified to operate this tool.
Failure to read and understand safety
instructions may result in injury or
death.
!
IRING DIAGRAM

ProScrub PG. 9
b. Fill the tank with up to 14 gallons of water
and chemical solution.
c. Use indicator at rear of scrubber to check
amount of fluid in tank.
d. Do not fill with boiling water.
Temperature must not exceed 140 F.
e. ake sure to use non-foaming detergents
and dilute according to the manufacturer’s
instructions. If using powdered cleaners,
dissolve thoroughly before adding to solution
tank. Use only nonflammable chemicals.
STORING THE PROSCRUB
1. Store in a dry area in the upright position.
2. Flush both tanks with clean water and drain
completely.
3. Remove cover lid to promote air circulation.
4. Raise pad/brush assembly and squeegee off
floor to prevent squeegee damage and
promote drying.
5. If storing machine in freezing temperatures,
be sure to drain it of all water. Damage to
your scrubber due to extreme temperature
is not covered under the warranty.
OPERATING INSTRUCTIONS
Please read the Recommended Safety
Procedures on pg. 2 before operating the
ProScrub.
1. Lower squeegee by releasing squeegee lift
lever from the “LOCK” position.
2. Step down on brush lift foot pedal to lower
brush head and push pedal forward to release.
3. Turn vacuum switch to “ON” position.
4. Turn solution control knob counter
clockwise slightly to activate flow. The
further the lever is turned, the faster the
flow of solution. Open completely for
maximum flow.
5. Turn brush switch to “ON” position. Do not
let the scrubber stay in one position for more
than a few seconds after brush rotation has
started. Damage to floor will result!
6. Begin scrubbing floor by pushing machine
forward. Adjust solution flow accordingly.
Be sure to keep hands and feet clear of
rotating brush/pad driver.
Help ul hints:
1. While scrubbing, periodically check the
recovery tank. If foam buildup is heavy, use
a defoamer to prevent damage.
2. If more scrubbing pressure is needed, pull
brush lever upwards.
3. If squeegee is leaving streaks, lift squeegee
to the “UP” position and wipe blades with
clean, dry cloth.
4. Before stopping or turning, shut off solution flow
to prevent excess solution on the scrub path.
5. If you are stopping for more than five
seconds, shut off brushes/pads to prevent
floor damage.
6. Frequently check battery meter for charge
level. When it drops to the red zone, a
recharge is necessary. Do not continue to
operate machine after the needle drops into
the red zone. Battery damage will occur.
RECOMMENDED MAINTENANCE
SCHEDULE
Before attempting any maintenance or repair
on the scrubber, make sure that it is on a level
surface, that all switches are on the “OFF”
position, and disconnect batteries and/or
battery charger. This will prevent any
accidental electrical problems. All maintenance
must be performed by authorized personnel.
DAILY
1. Remove and clean pad or brush. Never use
overly soiled pads/brushes when scrubbing
a floor.
2. Remove and clean lint from ball float shutoff
screen (located in recovery tank).
3. Drain and rinse both tanks. Remove any
clogging debris in vacuum intake hole in
recovery tank.
4. Raise squeegee and wipe with clean, damp
cloth to remove any soil. Store squeegee in
the “UP” position to prevent damage.
5. Clean machine housing with nonabrasive,
non-solvent cleanser.
6. Recharge batteries if necessary.
PG. 4 ProScrub
CONTROL PANEL
WARNING!
!
CONTROL PANEL PARTS LIST
PART # DESCRIPTION PART # QTY
1 ANDLE GRIP (FOAM) 030-GRIP 1
2 ANDLE ADJUSTMENT BRKT. 283-030-125 2
3 ANDLE BOLT 164-132DA23020P 2
4 ANDLE ADJUSTMENT KNOB 030-20-114 2
5 ANDLE BASE BRACKET 283-030-120 2
6 ROCKER SWITC 030-20-108 2
7 CONTROL PANEL PLATE 283-030-275 1
8 COVER PLATE 283-030-270 1
9 SOLENOID 153-030 1
10 BUS ING 030-20-101 3
11 BOLT 164-10007 1
12 SQUEEGEE LIFT ARM 288-030-300 1
13 SQUEEGEE LIFT KNOB 030-20-102 1
14 SQUEEGEE LIFT BRACKET 288-03-1100 1
15 CIRCUIT BREAKER 030-20-109 1
16 BATTERY CONDITION METER 153-314 1
17 ANDLE ADJUSTMENT PIN 030-20-107 2
18 ANDLE BAR (NO FOAM GRIP) 2880030-1300 1

PG. 8 ProScrub
WEEKLY
1. Flush tanks and solution lines with vinegar
solution (1 qt. Vinegar, 3 gals. Water).
2. Rinse with clean water.
3. Clean battery tops to prevent corrosion.
4. Check for loose or corroded battery cables.
MONTHLY
1. Lubricate axle and caster grease fittings with
water-resistant grease.
2. Lubricate all linkage pivot points with
silicone spray, then coat with a
water-resistant grease to maintain smooth
operation.
3. Check scrubber for water leaks and loose
nuts or bolts.
EVERY 250 HOURS
1. Check brush motor for carbon brush wear.
Replace when down to 3/8" or less.
2. Check vacuum motor for carbon brush wear.
Replace when down to 3/8" or less.
BATTERY MAINTENANCE
Before any battery maintenance is done, make
sure batteries and charger are disconnected
and unplugged from wall outlet.
1. Keep battery tops and posts clean and dry.
To dissolve corrosion, mix a solution of
baking soda and water. Brush solution
carefully over battery tops and posts. Do
not allow solution to enter battery cells.
2. After drying tops and posts, use a wire
brush to clean terminal posts and cable
connections.
3. Thoroughly apply a coating of grease to
posts to help maintain a good connection
and prevent further corrosion.
4. Check for worn or loose cables and replace
if necessary.
ProScrub PG. 5
DRIVE ASSEMBLY
(AFTER SERIAL #2534)
The ProScrub is an innovative and unique machine. Since it was
first introduced it has undergone a process of continuous
improvement. This has been accomplished based on comments
and suggestions by customers and by the return of any defective
or failed parts. Examining causes of failures firsthand allows us
to solve current problems and avoid them in the future. While
this may at first seem to be an inconvenience, ultimately you
benefit from safer and more reliable products. Please give us the
opportunity to serve you better by following these RGA (Return
Goods Authorization) rules.
1. We maintain the serial number, date of shipment or sale, and
customer name on each piece of equipment sold. If you were
the purchaser, please reference that information on your
request for replacement or repair. If you purchased the equip-
ment through a dealer, please contact them.
2. Order the replacement part from your distributor or Aztec
Products, Inc. by calling 800.331.1423 between 8:30-5:00
Eastern Time. We will ship warranted parts at our expense.
3. When dealing with Aztec Products, Inc., ask for an RGA
number when you are ordering the replacement part.
Return the failed part to us within 30 days, freight prepaid,
exactly as it was at the time of failure. Our inspection and
evaluation will attempt to determine the probable cause of
failure.
4. If our inspection reveals that the failed part was defective, we
will credit your account for the entire amount of the part
including your cost of return freight.
5. We intend to be reasonable on any matter that is related to
our warranty service or other wear-related problems which
our customers feel need attention. Please help us to help
you. Before assuming that a part is defective, check the
repair manual to see if the problem might be something
that you or one of your employees might be capable of cor-
recting. If it is not, follow the above policy and depend on
us to respond quickly and responsibly.
PROTECT YOUR
WARRANTY!
Read carefully, any questions regarding the
care and safety of this unit, please
CALL [phone]
DRIVE ASSEMBLY PARTS LIST
PART # DESCRIPTION PART # QTY
1 20" PAD DRIVER 030-20-262 1
2 5/16 - 18*3/4" BOLT 164-10059 1
3 1/4" FLAT WAS ER 164-20155 1
4 MOTER BRUS ADAPTER 288-030-800 1
5 MOTOR SWIVEL PLATE 283-030-130 1
6 BRUS MOTOR 030-BRUS M 1
7 5/16 - 18*1" BOLT 164-10063 1
8 5/16" FENDER WAS ER 164-20207 1
9 5/16" USS FLAT WAS ER 164-20156 1
10 5/16 - 18 STOVER LOK NUT 164-22833 1
11 1/2 - 13 STOVER LOK NUT 164-22836 4
12 C ASSIS BUS ING 030-20-100 5
13 1/2 - 13*1" BOLT 164-12011 4
14 C ASSIS MOUNT BRACKET 288-030-500 2
15 8" W EEL 156-XA-08251-12 2
16 AXLE 283-030-280 1
17 KNOB 625-6477K58 1
18 SQUEEGEE PIVOT BRACKET 283-030-250 1
19 SQUEEGEE PIVOT INGE 030-20-106 1
20 SQUEEGEE LIFT CABLE 030-20-115 1
21 SQUEEGEE MOUNT PLATE 283-030-245 1
22 MOTOR LIFT FOOT BRACKET 288-030-600 1
23 PIVOT C ASSIS 288-030-400 1
24 3/8 - 16*3/4" BOLT 164-10111 1
25 AXLE/SQUEEGEE PIVOT BRKT. 288-030-900 1
26 SQUEEGEE ADJ. SPRING 030-20-105 1

ProScrub PG. 7
PG. 6 ProScrub
SOLUTION
TANK
SHROUD
VACUUM TANK
SQUEEGEE
PARTS LIST
PART # DESCRIPTION PART # QTY
1 SOLUTION TANK 108-AS-1 1
2 DRAIN OSE BRACKET 288-030-1000 1
3 MOTOR LIFT ADJUST. BRKT. 288-030-700 1
4 FOOT LEVER ADJUST. BRKT. 283-030-105 1
5 3/8 - 16*3/4" BOLT 164-10111 4
6 5/16 USS FLAT WAS ER 164-20156 4
7 DRAIN OSE (SOLUTION TANK) 216-0212 1
8 BRACKET (SOLUTION VALVE) 283-030-115 1
9 VALVE FITTING 166-EL1412 2
10 SOLUTION VALVE 030-20-117 1
11 OSE 216-0212 1
12 OSE CLAMP 233-62PO8 4
13 TANK FITTING 166-030 2
14 SOLUTION OSE 216-0212 1
15 SOLUTION CONTROL KNOB 030-20-103 1
16 SOLUTION CONTROL ROD 288-030-100 1
PARTS LIST
PART # DESCRIPTION PART # QTY
1 SCREW S2-97 6
2 4" LID S2-04 1
3 RECOVERY TANK 108-AS-2 1
4 INGE 030-20 1
5 WAS ER 164-20153 7
6 1/4 - 20*1/2" BOLT 164-10003 7
7 OVERFLOW ASSEMBLY 030-20-119 1
8 VACUUM MOTOR GASKET S2-20 1
9 VACUUM MOTOR 030-VACM 1
10 1/4 - 20 STUD 164-254 3
11 1/4 - 20 LOK NUT 164-22831 3
12 FLOAT SCREEN 030-20-112 1
13 FLOAT BALL 030-20-111 1
14 SUPPORT CABLE 030-20-116 1
not shown RECOVERY TANK DRAIN OSE 030-20-121 1
not shown SQUEEGEE VAC OSE S2-47 2
not shown OSE CUFFS S2-47-CUFF 2
PARTS LIST
PART # DESCRIPTION PART # QTY
1 FRONT SUPPORT 283-030-235 1
2 SQUEEGEE BLADE (FRONT) 030-20-SRF 1
3 S OULDER BOLT 196-70212 2
4 POLY W EEL 156-PB-03041-08 2
5 SQUEEGEE (WELDED ASSBLY) 288-030-200 1
6 W EEL BRACKET 288-030-221 2
7 W EEL BOLT 164-1129087 2
8 W EEL & BRACKET NUT 164-1137015 6
9 W EEL 156-030-1 2
10 W EEL BUS ING 030-20-99 2
11 SQUEEGEE BLADE (REAR) 030-20-SRR 1
12 WING NUT 625-6477K58 16
13 REAR SUPPORT 283-030-240 1
14 W EEL BRACKET BOLT 164-1129061 4
15 SQUEEGEE KNOB 030-20-104 2
PARTS LIST
PART # DESCRIPTION PART # QTY
1 SPLAS SKIRT 030-20-118 1
2 BRUS S ROUD 108-AS-20 1
3 1 3/4" S OULDER BOLT 196-70212 2
4 POLY W EEL 156-PB03041-08 2
5 SWIVEL CASTER 156-030 2
6 FLAT WAS ER 164-20153 8
7 1/4 - 20*1/2" BOLT 164-10003 8
8

ProScrub PG. 7
PG. 6 ProScrub
SOLUTION
TANK
SHROUD
VACUUM TANK
SQUEEGEE
PARTS LIST
PART # DESCRIPTION PART # QTY
1 SOLUTION TANK 108-AS-1 1
2 DRAIN OSE BRACKET 288-030-1000 1
3 MOTOR LIFT ADJUST. BRKT. 288-030-700 1
4 FOOT LEVER ADJUST. BRKT. 283-030-105 1
5 3/8 - 16*3/4" BOLT 164-10111 4
6 5/16 USS FLAT WAS ER 164-20156 4
7 DRAIN OSE (SOLUTION TANK) 216-0212 1
8 BRACKET (SOLUTION VALVE) 283-030-115 1
9 VALVE FITTING 166-EL1412 2
10 SOLUTION VALVE 030-20-117 1
11 OSE 216-0212 1
12 OSE CLAMP 233-62PO8 4
13 TANK FITTING 166-030 2
14 SOLUTION OSE 216-0212 1
15 SOLUTION CONTROL KNOB 030-20-103 1
16 SOLUTION CONTROL ROD 288-030-100 1
PARTS LIST
PART # DESCRIPTION PART # QTY
1 SCREW S2-97 6
2 4" LID S2-04 1
3 RECOVERY TANK 108-AS-2 1
4 INGE 030-20 1
5 WAS ER 164-20153 7
6 1/4 - 20*1/2" BOLT 164-10003 7
7 OVERFLOW ASSEMBLY 030-20-119 1
8 VACUUM MOTOR GASKET S2-20 1
9 VACUUM MOTOR 030-VACM 1
10 1/4 - 20 STUD 164-254 3
11 1/4 - 20 LOK NUT 164-22831 3
12 FLOAT SCREEN 030-20-112 1
13 FLOAT BALL 030-20-111 1
14 SUPPORT CABLE 030-20-116 1
not shown RECOVERY TANK DRAIN OSE 030-20-121 1
not shown SQUEEGEE VAC OSE S2-47 2
not shown OSE CUFFS S2-47-CUFF 2
PARTS LIST
PART # DESCRIPTION PART # QTY
1 FRONT SUPPORT 283-030-235 1
2 SQUEEGEE BLADE (FRONT) 030-20-SRF 1
3 S OULDER BOLT 196-70212 2
4 POLY W EEL 156-PB-03041-08 2
5 SQUEEGEE (WELDED ASSBLY) 288-030-200 1
6 W EEL BRACKET 288-030-221 2
7 W EEL BOLT 164-1129087 2
8 W EEL & BRACKET NUT 164-1137015 6
9 W EEL 156-030-1 2
10 W EEL BUS ING 030-20-99 2
11 SQUEEGEE BLADE (REAR) 030-20-SRR 1
12 WING NUT 625-6477K58 16
13 REAR SUPPORT 283-030-240 1
14 W EEL BRACKET BOLT 164-1129061 4
15 SQUEEGEE KNOB 030-20-104 2
PARTS LIST
PART # DESCRIPTION PART # QTY
1 SPLAS SKIRT 030-20-118 1
2 BRUS S ROUD 108-AS-20 1
3 1 3/4" S OULDER BOLT 196-70212 2
4 POLY W EEL 156-PB03041-08 2
5 SWIVEL CASTER 156-030 2
6 FLAT WAS ER 164-20153 8
7 1/4 - 20*1/2" BOLT 164-10003 8
8

PG. 8 ProScrub
WEEKLY
1. Flush tanks and solution lines with vinegar
solution (1 qt. Vinegar, 3 gals. Water).
2. Rinse with clean water.
3. Clean battery tops to prevent corrosion.
4. Check for loose or corroded battery cables.
MONTHLY
1. Lubricate axle and caster grease fittings with
water-resistant grease.
2. Lubricate all linkage pivot points with
silicone spray, then coat with a
water-resistant grease to maintain smooth
operation.
3. Check scrubber for water leaks and loose
nuts or bolts.
EVERY 250 HOURS
1. Check brush motor for carbon brush wear.
Replace when down to 3/8" or less.
2. Check vacuum motor for carbon brush wear.
Replace when down to 3/8" or less.
BATTERY MAINTENANCE
Before any battery maintenance is done, make
sure batteries and charger are disconnected
and unplugged from wall outlet.
1. Keep battery tops and posts clean and dry.
To dissolve corrosion, mix a solution of
baking soda and water. Brush solution
carefully over battery tops and posts. Do
not allow solution to enter battery cells.
2. After drying tops and posts, use a wire
brush to clean terminal posts and cable
connections.
3. Thoroughly apply a coating of grease to
posts to help maintain a good connection
and prevent further corrosion.
4. Check for worn or loose cables and replace
if necessary.
ProScrub PG. 5
DRIVE ASSEMBLY
(AFTER SERIAL #2534)
The ProScrub is an innovative and unique machine. Since it was
first introduced it has undergone a process of continuous
improvement. This has been accomplished based on comments
and suggestions by customers and by the return of any defective
or failed parts. Examining causes of failures firsthand allows us
to solve current problems and avoid them in the future. While
this may at first seem to be an inconvenience, ultimately you
benefit from safer and more reliable products. Please give us the
opportunity to serve you better by following these RGA (Return
Goods Authorization) rules.
1. We maintain the serial number, date of shipment or sale, and
customer name on each piece of equipment sold. If you were
the purchaser, please reference that information on your
request for replacement or repair. If you purchased the equip-
ment through a dealer, please contact them.
2. Order the replacement part from your distributor or Aztec
Products, Inc. by calling 800.331.1423 between 8:30-5:00
Eastern Time. We will ship warranted parts at our expense.
3. When dealing with Aztec Products, Inc., ask for an RGA
number when you are ordering the replacement part.
Return the failed part to us within 30 days, freight prepaid,
exactly as it was at the time of failure. Our inspection and
evaluation will attempt to determine the probable cause of
failure.
4. If our inspection reveals that the failed part was defective, we
will credit your account for the entire amount of the part
including your cost of return freight.
5. We intend to be reasonable on any matter that is related to
our warranty service or other wear-related problems which
our customers feel need attention. Please help us to help
you. Before assuming that a part is defective, check the
repair manual to see if the problem might be something
that you or one of your employees might be capable of cor-
recting. If it is not, follow the above policy and depend on
us to respond quickly and responsibly.
PROTECT YOUR
WARRANTY!
Read carefully, any questions regarding the
care and safety of this unit, please
CALL [phone]
DRIVE ASSEMBLY PARTS LIST
PART # DESCRIPTION PART # QTY
1 20" PAD DRIVER 030-20-262 1
2 5/16 - 18*3/4" BOLT 164-10059 1
3 1/4" FLAT WAS ER 164-20155 1
4 MOTER BRUS ADAPTER 288-030-800 1
5 MOTOR SWIVEL PLATE 283-030-130 1
6 BRUS MOTOR 030-BRUS M 1
7 5/16 - 18*1" BOLT 164-10063 1
8 5/16" FENDER WAS ER 164-20207 1
9 5/16" USS FLAT WAS ER 164-20156 1
10 5/16 - 18 STOVER LOK NUT 164-22833 1
11 1/2 - 13 STOVER LOK NUT 164-22836 4
12 C ASSIS BUS ING 030-20-100 5
13 1/2 - 13*1" BOLT 164-12011 4
14 C ASSIS MOUNT BRACKET 288-030-500 2
15 8" W EEL 156-XA-08251-12 2
16 AXLE 283-030-280 1
17 KNOB 625-6477K58 1
18 SQUEEGEE PIVOT BRACKET 283-030-250 1
19 SQUEEGEE PIVOT INGE 030-20-106 1
20 SQUEEGEE LIFT CABLE 030-20-115 1
21 SQUEEGEE MOUNT PLATE 283-030-245 1
22 MOTOR LIFT FOOT BRACKET 288-030-600 1
23 PIVOT C ASSIS 288-030-400 1
24 3/8 - 16*3/4" BOLT 164-10111 1
25 AXLE/SQUEEGEE PIVOT BRKT. 288-030-900 1
26 SQUEEGEE ADJ. SPRING 030-20-105 1

ProScrub PG. 9
b. Fill the tank with up to 14 gallons of water
and chemical solution.
c. Use indicator at rear of scrubber to check
amount of fluid in tank.
d. Do not fill with boiling water.
Temperature must not exceed 140 F.
e. ake sure to use non-foaming detergents
and dilute according to the manufacturer’s
instructions. If using powdered cleaners,
dissolve thoroughly before adding to solution
tank. Use only nonflammable chemicals.
STORING THE PROSCRUB
1. Store in a dry area in the upright position.
2. Flush both tanks with clean water and drain
completely.
3. Remove cover lid to promote air circulation.
4. Raise pad/brush assembly and squeegee off
floor to prevent squeegee damage and
promote drying.
5. If storing machine in freezing temperatures,
be sure to drain it of all water. Damage to
your scrubber due to extreme temperature
is not covered under the warranty.
OPERATING INSTRUCTIONS
Please read the Recommended Safety
Procedures on pg. 2 before operating the
ProScrub.
1. Lower squeegee by releasing squeegee lift
lever from the “LOCK” position.
2. Step down on brush lift foot pedal to lower
brush head and push pedal forward to release.
3. Turn vacuum switch to “ON” position.
4. Turn solution control knob counter
clockwise slightly to activate flow. The
further the lever is turned, the faster the
flow of solution. Open completely for
maximum flow.
5. Turn brush switch to “ON” position. Do not
let the scrubber stay in one position for more
than a few seconds after brush rotation has
started. Damage to floor will result!
6. Begin scrubbing floor by pushing machine
forward. Adjust solution flow accordingly.
Be sure to keep hands and feet clear of
rotating brush/pad driver.
Help ul hints:
1. While scrubbing, periodically check the
recovery tank. If foam buildup is heavy, use
a defoamer to prevent damage.
2. If more scrubbing pressure is needed, pull
brush lever upwards.
3. If squeegee is leaving streaks, lift squeegee
to the “UP” position and wipe blades with
clean, dry cloth.
4. Before stopping or turning, shut off solution flow
to prevent excess solution on the scrub path.
5. If you are stopping for more than five
seconds, shut off brushes/pads to prevent
floor damage.
6. Frequently check battery meter for charge
level. When it drops to the red zone, a
recharge is necessary. Do not continue to
operate machine after the needle drops into
the red zone. Battery damage will occur.
RECOMMENDED MAINTENANCE
SCHEDULE
Before attempting any maintenance or repair
on the scrubber, make sure that it is on a level
surface, that all switches are on the “OFF”
position, and disconnect batteries and/or
battery charger. This will prevent any
accidental electrical problems. All maintenance
must be performed by authorized personnel.
DAILY
1. Remove and clean pad or brush. Never use
overly soiled pads/brushes when scrubbing
a floor.
2. Remove and clean lint from ball float shutoff
screen (located in recovery tank).
3. Drain and rinse both tanks. Remove any
clogging debris in vacuum intake hole in
recovery tank.
4. Raise squeegee and wipe with clean, damp
cloth to remove any soil. Store squeegee in
the “UP” position to prevent damage.
5. Clean machine housing with nonabrasive,
non-solvent cleanser.
6. Recharge batteries if necessary.
PG. 4 ProScrub
CONTROL PANEL
WARNING!
!
CONTROL PANEL PARTS LIST
PART # DESCRIPTION PART # QTY
1 ANDLE GRIP (FOAM) 030-GRIP 1
2 ANDLE ADJUSTMENT BRKT. 283-030-125 2
3 ANDLE BOLT 164-132DA23020P 2
4 ANDLE ADJUSTMENT KNOB 030-20-114 2
5 ANDLE BASE BRACKET 283-030-120 2
6 ROCKER SWITC 030-20-108 2
7 CONTROL PANEL PLATE 283-030-275 1
8 COVER PLATE 283-030-270 1
9 SOLENOID 153-030 1
10 BUS ING 030-20-101 3
11 BOLT 164-10007 1
12 SQUEEGEE LIFT ARM 288-030-300 1
13 SQUEEGEE LIFT KNOB 030-20-102 1
14 SQUEEGEE LIFT BRACKET 288-03-1100 1
15 CIRCUIT BREAKER 030-20-109 1
16 BATTERY CONDITION METER 153-314 1
17 ANDLE ADJUSTMENT PIN 030-20-107 2
18 ANDLE BAR (NO FOAM GRIP) 2880030-1300 1

PG. 10 ProScrub
c. ake sure that you recharge the batteries
in a well-ventilated area.
d. Batteries emit explosive gases. Keep away
from sparks and flame.
3. ake sure all switches are in the “OFF”
position.
4. Open recovery tank to access batteries.
5. Plug charger into receptacle near battery
compartment.
6. Plug charger into grounded wall outlet
AFTER connecting charger to scrubber.
Charger will automatically begin charging
and will shut off automatically when
batteries are fully charged.
7. Do not use an adapter or remove grounded
blade on plug.
8. After charger has turned off, first unplug it
from the wall outlet, then from the scrubber.
BRUSH/PAD DRIVE ASSEMBLY
1. Lower brush head by stepping down on top
pedal; push pedal forward to lower.
2. Position squeegee so that it is centered
behind the scrubber.
3. Tilt scrubber back onto squeegee to access
motor hub for installation. Do not leave the
scrubber tilted back any longer than
necessary to avoid damaging squeegee
blades.
4. Pad installation:
a. Remove plastic centerlok from pad driver.
b. Center pad on a pad driver and re-attach
centerlok.
c. Be sure to attach pad to pad driver before
installing driver to motor hub.
DRAINING AND FILLING THE TAN S
1. Before draining either tank, make sure all
switches are at the “OFF” position.
2. When moving the scrubber to either fill or
drain, make sure brushes and squeegee are
in the “UP” position.
3. Draining the Recovery Tank:
a. Remove drain hose from holder. To
completely drain, open tank sideways.
b. Unscrew clear lid on recovery tank and
use hose to rinse out tank.
c. ake sure to rinse out thoroughly after
each use. This will prevent odors or
mildew from forming.
d. Replace drain hose. Close tank.
4. The Recovery Tank must be drained every
time before refilling. If it is not drained
before solution tank is refilled, foam or
water will enter the vacuum standpipe and
damage will occur. This damage is not
covered by warranty.
5. Draining the Solution Tank:
a. Pull hose off bracket at back of the
machine and drain into a bucket or floor
drain.
b. Flush solution tank with clean water after
each use. This will prevent chemical
buildup.
c. Drain rinse water out through hose drain.
d. Open solution flow lever to clean out
solution flow system.
e. Reconnect hose to bracket. ake sure it
is tightly connected.
6. Filling Solution Tank:
a. ake sure solution flow is completely
shut off.
ProScrub PG. 3
WARNING!
Disconnect power
before working
Electric shock
may occur
!
WARNING!
A person who has not read and does
not understand all operating instructions
is not qualified to operate this tool.
Failure to read and understand safety
instructions may result in injury or
death.
!
IRING DIAGRAM

ProScrub PG. 11
PG. 2 ProScrub
INTRODUCTION
The 20” ProScrub Automatic Scrubber is
designed to scrub floors in an indoor
environment and is not recommended for any
other use. All operators must read and
understand this manual before operating the
ProScrub.
SCRUBBER SPECIFICATIONS
L 44" W 23" 35" Wt. 325#
Solution tank capacity 12 gal.
Recovery tank capacity 15 gal.
Cleaning path 20"
Pad/brush diameter 20"
Squeegee width 30"
Brush Motor ¾ hp, 220 RPM
Vacuum Motor ½ hp, 2 stage, 24volt
Scrubbing pressure 65#
Batteries 2 – 130 amp/hour, 12volt
Deep cycle, lead/acid
RECOMMENDED SAFETY PROCEDURES:
1. The ProScrub should only be operated by
fully qualified maintenance personnel.
a. Do not operate, maintain, or service this
scrubber unless you are trained and
authorized.
b. Do not operate unless this manual is read
and understood.
c. Do not service or operate this scrubber if it
is not in proper operating condition.
2. Never attempt to ride on or otherwise attach
any type of rider platform to this scrubber.
3. Extreme caution should be used whenever a
ramp is used to load or unload this scrubber.
Never attempt to make turns on the ramp.
4. Do not park or leave the scrubber unattended
prior to loading or unloading.
5. Never operate this scrubber with the dash
panel removed. Always operate this scrubber
with the brush cover, battery cover, and all
side panels in the correct position.
6. Remove all loose objects from floor before
operating. Loose objects may become
dangerous projectiles when they come in
contact with revolving brushes/pads.
7. Keep scrubber moving along floor to avoid
burning or damage to floor surface.
8. Never use flammable or explosive cleaning
solutions such as gasoline, kerosene,
solvents, thinners, etc. in the solution tank in
an attempt to remove grease, oil, tar, etc.
from floors. Never operate scrubber where
flammable liquids or gases are present.
9. Always turn the master switch to the “OFF”
position whenever the scrubber is not in use.
Never leave scrubber parked on an uneven
floor. Always store scrubber safely.
10. When charging the scrubber, always
disconnect the AC plug before connecting or
disconnecting the DC plug.
11. BATTERIES ARE DANGEROUS
a. BATTERIES EMIT EXPLOSIVE GASES.
Always charge them in a well ventilated
area, keep hood open, wear eye protection
and face shield. Never smoke or use flame
or sparks around the batteries.
b. HAZARDOUS VOLTAGE! Severe shock or
electrocution can result. Always unplug
power-cord or disconnect batteries before
servicing machine.
c. BATTERY ACID CAN CAUSE BURNS.
Wear protective gloves when working with
them. Do not store them outside or let
water, chemicals, or any liquid come in
contact with them or the electrical system
of the scrubber. Damage will occur.
CHARGING BATTERIES
1. Charger Specifications
a. Output voltage – 24 volts
b. Output current – 10 to 20 amps
c. Automatic shutoff circuit
2. For deep cycle battery charging, life
expectancy of a battery is based on the
number of charges it receives. To get the
most life from your battery, recharge when
the meter drops into the red zone.
a. Do not continue to run the scrubber after
meter has gone into the red zone.
b. Do not let batteries sit uncharged for long
periods of time.
TROUBLESHOOTING
PROBLEM SYMPTOM SOLUTION
No power, nothing Batteries need charging Charge the batteries
runs Batteries faulty Replace batteries
Loose battery cable Tighten cable connection
Batteries not connected
Properly
Brush motor does Faulty brush switch Contact service center
not run Machine circuit breaker has tripped. Allow motor to cool down, breaker
will automatically reset.
Faulty wiring Contact service center
Faulty brush motor Contact service center
Carbon brushes worn Replace if worn to 3/8 or less
Faulty solenoid Contact service center
Vacuum motor does Faulty vacuum switch Contact service center
not run Faulty wiring Contact service center
Faulty vacuum motor Contact service center
Carbon brushes worn Replace if worn to 3/8 or less
Short run time Batteries not fully charged Charge batteries
Bad cell in one or more batteries Replace battery
Batteries need maintenance See “Battery Maintenance”
Faulty charger Replace charger
Little or no solution Solution flow lever is not activated Push flow lever forward
flow Solution line is clogged Remove hose and blow compressed
air through it. Then flush with
clean water
Solution valve is clogged Remove valve and clean. Do not
scratch or damage inside
Solution flow adjustment knob Turn knob down to increase flow
needs adjusting
Poor squeegee pickup Recovery tank is full Empty tank
Ball float shutoff screen is clogged Remove screen and clean
Squeegee is clogged with debris Clean squeegee
Squeegee blades are worn Replace blades
Squeegee thumbscrews are loose Tighten screws
Vacuum hose connections are loose Push hose firmly onto connections
Vacuum hose is worn or has a hole Replace
Vacuum is clogged with debris Remove debris
Tank gasket is defective Replace gasket
Recovery tank water inlet is plugged Empty recovery tank and tilt
sideways to remove clogged debris
Recovery tank lid is loose Tighten lid
Vacuum motor is loose Tighten down vacuum motor
Do not over-tighten!
Battery charge is low Do not run scrubber if meter is
in the red zone
WARNING!
!

OWNER’S MANUAL
READ and UNDERSTAND this material before operating or servicing
this equipment. Failure to understand how to safely operate this
tool could result in an accident causing injury or death.
201 COMMERCE DRIVE • MONTGOMERYVILLE, PA 18936
215-393-4700 • 800-331-1423 • FAX [phone]
20" ProScrub
AZTEC PRODUCTS, INC.
!
8783/01.08
PROSCRUB WARRANTY
This quality product is warranted to be free from defects in workmanship and materials.
The warranty is limited as follows:
Component Term of Warranty
Rotational molded parts 3 years
Vacuum Motor 1 year
Brush Motor 1 year
The warranty does not apply to certain consumable or wear parts such as:
Sqeegee Blades
Motor Carbon Brushes
The warranty does not apply to damage or failure caused by abuse, misuse, neglect,
disassembly, alteration or repair, lack of proper maintenance, theft, or damage by freight
carriers. The warranty applies to parts, labor, and ground freight only. It does not cover
incidental or consequential damages.
In order to obtain parts warranty the following procedure must be followed:
1. Call your direct purchase source, distributor or Aztec to obtain an RGA (Return Goods
Authorization) number.
2. Return defective part via prepaid ground freight to your purchase source with RGA
number clearly marked on packaging. Enclose a copy of the original purchase invoice.
3. Pack machine or parts carefully for return. We are not responsible for inbound freight
damage.
4. Only authorized dealers may make warranty repairs.
The need for proper care and maintenance for this product cannot be overstated. Poor
maintenance, neglect or abuse can void this warranty. Never leave your machine in a truck
or outside storage area where there is a potential for freezing. Read and follow the Maintenance
Schedule in your Owner’s manual.
Vacuum motors carry a one year warranty, however motors showing any of the following signs
of abuse will be excluded from coverage:
a. Signs of moisture in or on the fan/mount chamber area. (This means that water or foam
has been sucked through the motor, voiding the warranty.)
b. Dirty motors, where failure has been caused by inadequate filtering resulting
from a failure to maintain motor and keep filter clean.
You have purchased a quality product. Each of its components has been tested and approved for
use in this application. It is unlikely that you will ever have a warranty claim if you properly
maintain your machine.
This warranty is non-transferable.