Minuteman EX12 Parts list manual

Parts and Instruction Manual
EX12 Carpet Extractor
W/ Optional Hose and Wand Package

Parts
and Instruction Manual
This manual is furnished with each new MINUTEMAN EX 12 . This provides the necessary operating
and preventive maintenance instructions. Operators must read and understand this manual before operat-
ing or servicing this machine.
This machine was designed to give you excellent performance and efficiency. For best results and
minimal cost, please follow the general guidelines below:
· Operate the machine with reasonable care.
· Follow the manufacturers suggested maintenance instructions as provided in this booklet.
· Use original Minuteman supplied parts.
TECHNICAL SPECIFICATIONS
Model EX 12
EX-12
3 Stage 100 cfm
100 psi
N/A
12 gal.
50’ (15m) 12-3
12” (30.5cm)
5” (13cm)
99 lbs (45kg)
19” (48cm)
30” (76cm)
48” (122cm)
Model No.
Vac Motor
Pump
Heater
Capacity
Cord(s)
Wheels
Casters
Weight
Length
Width
Height
EX-12H
3 Stage 100 cfm
250 psi
2000 watt - 210° Max Temp
12 gal.
(2) 50’ (15m) 12-3
12” (30.5cm)
5” (13cm)
118 lbs (53.5kg)
19” (48cm)
30” (76cm)
48” (122cm)

Parts
and Instruction Manual
Table of Contents
Safety Precautions.......................................................................................................1
Grounding Instructions ............................................................................................... 1
Safety Labels................................................................................................................2
Electrical Requirements ..............................................................................................2
Machine Components..................................................................................................2
Machine Set Up ............................................................................................................3
Pre-Operation............................................................................................................3
Set Up .......................................................................................................................3
Operation ......................................................................................................................4
Draining Recovery Tank ..............................................................................................4
Machine Maintenance ..................................................................................................4
Weekly Maintenance .................................................................................................4
Storing Machine ...........................................................................................................5
Troubleshooting ...........................................................................................................5
Parts List.......................................................................................................................7
EX12..........................................................................................................................7
EX12-H......................................................................................................................9
Minuteman International Made Simple Commercial Limited Warranty ................. 11

Parts and Instruction Manual
Page 1
SAFETY PRECAUTIONS
This machine is intended for commercial use. It is
designed to clean carpet and upholstery in an indoor
environment and is not constructed for any other
use. Use only recommended cleaning solutions and
accessory tools.
All operators must read, understand and practice the
following safety precautions.
The following safety alerts symbols are used
throughout this manual as indicated in their
description:
WARNING: To warn of hazards or unsafe
practices which could result in severe personal
injury or death.
FOR SAFETY: To identify actions which must be
followed for safe operation of equipment.
The following information signal potentially
dangerous conditions to the operator or equipment:
FOR SAFETY:
1. Do not operate machine:
-Unless trained and authorized.
-Unless operator manual has been read
and understood.
-In flammable or explosive areas.
-Unless cord is properly grounded.
-With damaged cord or plug.
-If not in proper operating condition.
-In outdoor areas.
-In standing water.
-With the use of an extension cord.
2. Before operating machine:
-Make sure all safety devices are in
place and operate properly.
3. When using machine:
-Do not run machine over cord.
-Do not pull machine by plug or cord.
-Do not pull cord around sharp edges or
corners
-Do not unplug by pulling on cord.
-Do not stretch cord.
-Do not handle plug with wet hands.
-Keep cord away from heated surfaces.
-Report machine damage or faulty
operation immediately to your
distributor.
-Follow mixing and handling
instructions on chemical containers.
4. Before leaving or servicing machine:
-Turn off machine.
-Unplug cord from wall outlet.
5. When servicing machine:
-Unplug cord from wall outlet.
-Avoid moving parts.
-Do not wear loose jackets, shirts, or
sleeves.
-Use manufacturer supplied or
approved replacement parts.
WARNING: Hazardous Voltage. Shock or
electrocution can result. Always unplug machine
before servicing.
WARNING: Flammable materials can
cause an explosion or fire. Do not use flammable
materials in tank(s).
WARNING: Flammable materials or
reactive metals can cause an explosion or fire.
GROUNDING INSTRUCTIONS
Machine must be grounded. If it should
malfunction or breakdown, grounding provides a
path of least resistance for electrical shock. 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 in
accordance with all local code and ordinances.
Do not remove ground pin; if missing, replace
plug before use.
Safety Precautions
Grounding Instructions

Parts and Instruction Manual
Page 2
MACHINE COMPONENTS
The safety labels appear on the machine in
various locations. Replace labels if they
become damaged or cannot be read.
1. Recovery Tank
2. Solution Tank
3. Motor housing/ Base
WARNING LABEL- Located on back.
Label warns operator of safe practices of
equipment
WARNING: Flammable materials can
cause an explosion or fire. Do not use
flammable materials in tank(s). Flammable
materials or reactive metals can cause
ex
p
losion or fire.
1
2
3
ELECTRICAL REQUIREMENTS
EX 12 Requires (1) 15A – 115V Outlet
EX12H Requires (1) 15A and (1) 20A Outlet
Safety Labels
Electrical Requirements
Machine Components

Parts and Instruction Manual
Page 3
MACHINE SET UP
SETUP
1. Carefully check carton for signs of damage.
Report damage at once to freight carrier.
The machine is shipped fully assembled
and is ready for use.
2. Open lid of solution tank. Fill solution tank
with water or approved cleaning agent.
FOR SAFETY: Do not operate machine unless
cord is properly grounded.
FOR SAFETY: Do not operate machine with
the use of an extension cord.
WARNING: Flammable materials can
cause an explosion or fire. Do not use flammable
solutions or materials in tank(s).
FOR SAFETY: When using machine, follow
mixing and handling instructions on chemical
containers.
ATTENTION: If using powdered cleaning
chemicals, mix prior to adding.
4. Attach other end of solution hose to wand.
5. Attach vacuum hose to recovery tank.
B. Pull up on wand lever to release air in the line.
Hold lever until you have a steady flow of water
coming out of the wand.
PRE-OPERATION
1. Vacuum carpet and remove other debris.
2. Perform MACHINE SETUP procedures.
3. Inspect power cord for damage.
6. Plug machine’s cord into a grounded wall outlet.
3. Attach solution hose. (Located front of
machine.)
NOTE: Make sure the quick
disconnects snap together firmly. As
you do this, always inspect hoses for
cracks or fraying. Do not use if hoses
are damaged.
7. Connect solution hose and make sure it is firmly
secured.
8. Turning machine on:
A. Turn pump switch on.
C. Once pump is primed and you have pressure
in the solution line, turn on heater switch(s) and
wait a few minutes for water to heat up.
NOTE: For best results leave pump and heater
switch on for approximately 10 minutes before
using as a pre-heat cycle.
Also, the heater may be run in either 1000W or
2000W mode by rocking the switch up and
down.
D. Once water is heated, turn on vacuum
motors and begin cleaning.
Machine Set Up
Pre-Operation
Set Up

Parts and Instruction Manual
Page 4
DRAINING RECOVERY TANK
FOR SAFETY: When servicing
machine, unplug cord from wall outlet.
1. Turn machine off and unplug power
cord.
WARNING: Flammable materials or
reactive metals can cause an explosion or fire.
Do not pick up.
1. Work away from outlet and power cord to
prevent cord damage.
2. Use a recommended foam control solution in
the recovery tank to prevent vacuum motor
damage. Periodically check for excessive foam
buildup in solution tank.
3. To clean heavily soiled areas, repeat cleaning
path from different direction.
4. When ball float shuts off vacuum, it is time to
empty the dirty water from the recovery tank, and
refill solution tank.
NOTE: When cleaning upholstery, always
check cleaning instructions sewn in furniture
by manufacturer
5. After cleaning, relieve water pressure from tool
before disconnecting hose. Squeeze trigger for five
seconds after turning main power switch off.
2. Remove solution & vacuum hose
3. Lift up drain valve lever to empty
solution tank.
To keep machine in good working condition, simply
follow machine’s daily and weekly maintenance
procedures.
FOR SAFETY: When servicing machine, unplug
cord from wall outlet.
DAILY:
1. Empty and rinse out solution tank thoroughly.
2. Wipe off power cord and check for damage, replace if
necessary. Coil cord neatly after use.
3. Clean machine with an all purpose cleaner and damp
cloth.
WEEKLY MAINTENANCE
(EVERY 20 HOURS OF OPERATION)
1. Flush solution system with a system maintainer to
dissolve normal chemical buildup.
a. Pour 7.5L (2 gal) of hot water 60°C (140°F)
into solution tank. Add system maintainer
according to mixing instructions on bottle
FOR SAFETY: When using machine,
follow mixing and handling instructions on
chemical containers.
b. Operate machine for one minute.
c. Shut off machine and allow
remaining solution to break down
chemical buildup overnight.
d. Next day, spray out remaining
solution and flush system with
11L (3gal) of clean water.
2. Inspect vacuum hoses for holes and loose cuffs.
3. Inspect spray pattern for clogging. If clogged,
remove spray tips and soak them in a
recommended liquid neutralizer for up to six
hours. To remove spray tip, twist spray tip body
counter-clockwise. Do not use pointed objects to
unplug tips, damage will occur.
4. Lubricate wheels with water resistant oil.
5. Inspect machine for water leaks and loose
hardware.
6. Remove float shut-off screen from recovery
tank and clean.
Operation
Draining Recovery Tank
Machine Maintenance
Weekly Maintenance

Parts and Instruction Manual
Page 5
ATTENTION: Do not expose to rain. Store indoors.
ATTENTION: If storing machine in freezing temperatures,
be sure that machine and solution system are completely
drained and dry.
1. Before storing machine, be certain to completely drain and
rinse tanks of all water and solution.
2. Drain and dry the vacuum hose as well, using the drain
hose provided
3. Store machine in a dry area in the upright position.
4. Open recovery tank cover to promote air circulation
Storing Machine
SYMPTOM: UNIT WILL NOT TURN ON:
PROBLEM: Not plugged in.
SOLUTION: Plug machine in proper outlet.
PROBLEM: Circuit breaker has popped.
SOLUTION: Reset circuit breaker. Make sure no other items are running on the same circuit as machine. Outlet
must be a 15-amp circuit.
PROBLEM: Wire from power cord has become disconnected from terminal block.
SOLUTION: Reattach wire to terminal block.
SYMPTOM: PUMP IS NOT RUNNING PROPERLY:
PROBLEM: Quick disconnects are not completely locked together.
SOLUTION: Snap quick disconnects firmly together.
PROBLEM: The solution tank is empty.
SOLUTION: Fill the solution tank up with a premixed detergent.
PROBLEM: Jet on upholstery tool is clogged.
SOLUTION: Clean jet with soft wire brush or remove jet and flush clean.
PROBLEM: Filters are clogged.
SOLUTION: Remove filters and rinse clean with water.
PROBLEM: Heater is blocked with hard water deposits.
SOLUTION: Flush out heaters with system maintainers. If they are still blocked, replace heaters.
PROBLEM: Brass check valve is stuck.
SOLUTION: Replace with new check valve.
PROBLEM: Pump wire has become disconnected.
SOLUTION: Reconnect wire.
PROBLEM: Switch on switch plate is bad.
SOLUTION: Replace switch.
PROBLEM: Pump motor brushes are worn out.
SOLUTION: Replace pump.
Troubleshooting

Parts and Instruction Manual
Page 6
SYMPTOM: HEATER IS NOT WORKING PROPERLY:
PROBLEM: The back up sensor, mounted on the heater has popped.
SOLUTION: Reset sensor by pushing in button.
PROBLEM: Heating element is bad.
SOLUTION: Replace element.
SYMPTOM: VACUUM MOTOR IS NOT WORKING PROPERLY:
PROBLEM: Hose not connected tightly to upholstery tool or machine.
SOLUTION: Connect hose tightly.
PROBLEM: Drain valve is not shut completely.
SOLUTION: Close drain valve completely.
PROBLEM: Vacuum tank lid is not on tightly.
SOLUTION: Secure the vacuum tank tightly.
PROBLEM: Ball float is shut off.
SOLUTION: Empty the vacuum tank of all wastewater.
PROBLEM: Water is coming out of vacuum motor.
SOLUTION: Use a low foaming detergent.
PROBLEM: Floor wand or is clogged with hair, carpet fibers and or debris.
SOLUTION: Clean floor wand.
PROBLEM: Ball float is not installed correctly.
SOLUTION: Make sure that ball float is firmly installed on the elbow.

Parts and Instruction Manual
Page 7
EX12 PARTS LIST
Minuteman Part Number
Qty Per
Unit U/M Description
121000 1 EACH
15' vacuum and solution hose
assembly
121001 1 EACH EZ Glider wand 12" single bend
121002 1 EACH elbow, inlet assy 1-1/2"
121003 1 EACH qd, brass, 1/4" m
121004 1 EACH qd, brass, 1/4" f
121005 2 EACH elbow, brass, 90 deg, 1/4"mpt
121006 1 EACH bushing, brass, 3/8"mpt x 1/4"
121007 1 EACH nipple, brass, 1/4" x close
121008 1 EACH nipple, brass, 1/4"m, hex
121010 1 EACH adapter, brass, extender, 1/4"
121012 1 EACH filter, strainer, 1/2"
121014 1 EACH elbow, brass, 90 deg, 1/4" mpt
121016 1 EACH reducer, brass, swivel, ball e
121017 1 EACH elbow, brass, 90 deg, 1/2" bar
121018 1 EACH elbow, brass, 90 deg, 3/8"mpt
121019 1 EACH bushing, brass, 1/2"mpt x 3/8"
121020 1 EACH nipple, brass, 3/8" x close
121021 1 EACH vac motor, 3 stage, 115V, tang
121022 1 EACH pump, 100psi, demand, 115V
121027 10 EACH wire tie, small
121028 2 EACH switch, rocker, 2 position
121033 1 EACH 50' ext cord - 16/3
121037 1 EACH gasket, inlet, 1-1/2" i.d.
121039 1 EACH filter, bag, vac tank
121040 2 EACH cover, sol hose, reinforcement
121041 4 EACH washer, buna 1-1/8" od x 3/16"
121043 2 EACH gasket, switchplate, breeze
121044 1 EACH lid, vac tank, black, 7"
121045 1 EACH gasket, 7", vac lid
121047 5 EACH strap, velcro, w/buckle
121050 2 EACH manifold, single vac, w/gasket
121051 4 EACH clamp, hose, 2-1/4 DIA
121052 2 EACH cap, axle, 1/2"
121053 1 EACH fitting, strain relief, cord
121054 1 EACH valve, drain, 1-1/2"
121055 1 EACH spout, drain, 45 degree
121056 2 EACH fitting, inlet, pvc, 1-1/2", g
121057 1 EACH cage, float, standard
121058 1 EACH adapter, pvc, 1-1/2" fms x fmp
121059 2 EACH wheel, 12"
121060 1 EACH plate, dual manifold, 9" x 13"
121061 2 EACH guard, cooling fan, wire
121062 1 EACH cuff, hose, 1-1/2", black
121063 1 EACH plate, switch, sp, 3 hole
121066 1 EACH axle, 1/2" x 18-1/2", sp
121067 2 EACH hanger, wire formed, hose
Parts List
EX12