Minuteman E28 Manuel utilisateur
Minuteman,Inc.
A member Of The Hako Group
User Manual
E28/30/33
988745UM REV A 07/2022
Page 2
Introduction
Preface
Dear customer,
It is our desire that the good characteristics of the macine
should justify the confi dence you demonstrated by
making this purchase. Prior to the fi rst operation, carefully
read the chapter “Safety Information” in order to ensure
your safety working with the machine. Your own safety, as
well as the safety of others, depends greatly on how the
vehicle is moved and operated. Therefore, carefully read
and understand this manual before operation.
This manual provides valuable information about
operation, service and maintenance. The warning
symbols used in this manual identifi es items that are
relevant to safety. Please observe the safety provisions
(see chapter “Safety Information”).
Your authorized Minuteman dealer will be pleased
to answer further questions regarding the unit or the
operation and maintenance manual. Please be advised
explicitly that we cannot accept any legal issues out
of the contents of this manual. If repair work must be
performed make sure that only genuine spare parts are
used. Genuine spare parts help guarantee a dependable
machine. We reserve the right to make changes without
notice.
Minuteman International,Inc.
14N845 US Route 20
Pingree Grove, Illinois 60140
Proper use
The E28/30/33 machines are a vacuum scrubbing
machine used for the wet cleaning of hard-surfaced
fl oors. Using the machine beyond this scope of it’s
application will be deemed improper and negligent
use. The manufacturer cannot be held liable for
consequential damages, the user alone bears the
risk. The term of proper use also includes operation,
maintenance and repair work to be performed in
compliance with the manufacturer’s specifi cations.
The E28/30/33 may be used by Qualifi ed persons
familiar with the machine and aware of possible
hazards involved.
The applicable Accident Prevention Regulations
and further regulations concerning safety and work
must be complied with.
If modifi cations to the machine are made in absence of
the manufacturer’s prior consent, Minuteman cannot be
held liable for damage resulting from such unauthorized
modifi cation.
Page 3
Notes on warranty
The terms defi ned in the purchase agreement apply. Claims for
compen sation related to damage are excluded from the terms
of warranty when the damage is the result of failure to ob serve
regulations concerning service and maintenance. Maintenance
work must be performed by authorized Minuteman service
centers and confi rmed in the “Maintenance Report” which
serves as a warranty logbook.
The following are excluded from the terms of warranty: wear
and tear through overuse, defective fuses, im proper handling
and use or unauthor ized modifi cations. Claims under the
terms of warranty are also annulled when damage occurs to
the vehicle re sulting from the use of parts or accesso ries not
explicitly approved by us or from failure to observe maintenance
regulations.
Acceptance of the machine
Upon arrival, check machine for possible
damages in transit. Follow unpacking instructions
on shipping pallet. Each unit has been tested and
thoroughly inspected before shipment. Any damage
is the responsibility of the delivery carrier who
should be notifi ed immediately.
For refund of such damage, have the freight
forwarder confi rm damage and mail notifi cation
along with waybill to:
Minuteman International,Inc.
14N845 US Route 20
Pingree Grove, Illinois 60140
Page 4
Table of Contents
1 Safety information ............................................................6
1.1 Safety and Warning Symbols ..............................................6
1.2 General Provisions ...............................................................6
1.3 Provisions for Operation ......................................................7
1.4 Maintenance instructions.....................................................7
1.5 Specifi c Hazards ...................................................................8
1.6 Information for Protection of Environment ........................8
1.7 Labels On The Machine ........................................................9
2 First Operation ................................................................10
2.1 Instruction ...........................................................................10
2.2 Initial Charging Procedure .................................................10
2.3 Before Operation Of Machine ............................................10
2.4 Start Machine ......................................................................10
2.5 Operation .............................................................................10
2.6 Stopping The Machine ........................................................11
2.7 After Work ............................................................................11
2.8 Transport Mode ...................................................................11
2.9 Tie Down Points ..................................................................11
3 Operation.........................................................................12
3.1 Method Of Operation ..........................................................12
3.1.1 Scrub Head Assembly .................................................12
3.1.2 Solution Tank ................................................................12
3.1.3 Squeegee ......................................................................13
3.1.4 Recovery Tank ..............................................................13
3.1.5 Drive System.................................................................13
3.1.6 Batteries and Charger ..................................................13
3.1.7 Options ..........................................................................13
3.2 Control Panel & Operation Indicators ...............................14
3.2.1 Operating Panel ............................................................14
3.2.2 At The Machine .............................................................16
4 Technical Data ................................................................18
5 Maintenance and Care ...................................................20
5.1 General.................................................................................20
5.2 Maintenance Document......................................................21
5.3 Maintenance Schedule .......................................................22
5.4 Battery Systems ..................................................................26
5.4.1 Charging The Batteries ................................................27
5.4.2 Low Discharge Signal Sender (LDS) ..........................27
5.4.3 Removing Batteries......................................................27
5.4.4 Installing Batteries .......................................................27
5.4.5 Disposal of Batteries....................................................27
5.5 Solution Tank ......................................................................28
5.5.1 Filling the Solution Tank ..............................................29
5.5.2 Empty the Solution Tank .............................................29
Page 5
5.5.3 Cleaning Clear Water Filter ........................................29
5.6.1 Empty Recovery Tank ..................................................31
5.6.2 Cleaning the Recovery Tank .......................................31
5.6.3 Clean Suction Filter......................................................31
5.7 Scrub Head .........................................................................32
5.7.1 Cleaning Brushes .........................................................32
5.7.2 Changing Brushes .......................................................32
5.7.3 Changing Defl ector Roller ...........................................32
5.7.4 Changing Scrub Head Skirt ........................................32
5.8 Cylindrical Brush Deck......................................................33
5.8.1 Clean Dirt Hopper .........................................................33
5.8.2 Remove Brushes ..........................................................33
5.8.3 Clean Brushes ..............................................................33
5.8.4 Fit Brushes ..................................................................33
5.8.5 Change Defl ector Roller ..............................................33
5.9 Squeegee ............................................................................34
5.9.1 Cleaning the Squeegee ................................................34
5.9.2 Changing the Squeegee Blades..................................34
5.9.3 Adjusting the Blades Angle Adjustment ....................35
Page 6
1.2 General Provisions
• Apart from the provisions contained
in this instruction manual, the general
safety provisions and the accident
prevention regulations as imposed by
law must be complied with.
• Before operating your machine,
carefully read the instruction manual
as well as other separate instructions
for accessories or attached
implements. Comply with all points
mentioned there during work.
• Only persons trained by qualifi ed
Minuteman personnel are authorized
to operate, service and repair the
machine.
• You are advised to thoroughly study
the safety instructions, this will help in
avoiding errors during operation of the
machine and thus guarantees correct
usage of the machine.
• The operating instructions must be
on hand at the place of machine use,
and therefore have to be kept readily
available at the machine.
• When selling or lending the machine
for rent, hand out these documents to
1 Safety information
1.1 Safety and Warning Symbols
All paragraphs in this manual referring
to your personal safety, the safety of
your machine and the environment protection
are recognized by one of the following
warning symbols:
Symbol Hazardous for ... Description
Warning Persons and Goods
Indicates a hazardous situation
which could result in death or
serious injury.
Note Indicates important or additional
information.
Ecological Hazard The Environment
Indicates the use of substances
representing an inherent danger
to the health of the environment.
NOTICE All
Indicates a potentially
hazardous situation which may
result in equipment or property
damange.
Page 7
the new owner/operator and have
the transfer certifi ed!
• The warning and instruction
plates attached to the machine
contain valuable advice about safe
operation. Immediately replace
incomplete or illegible labels.
• For safety standards spare parts
must be equal to genuine parts!
1.3 Provisions for Operation
• Before the fi rst operation of the
machine, fully charge the battery
with an initial charging procedure
and comply with the operating
instructions of the charger as
well as with those of the battery
manufacturer. Minuteman cannot
be held liable for damages
resulting from the fact that
the initial charging has not or
insuffi ciently done.
• Before operation, check
the machine for operational
safety! Immediately remedy
malfunctions!
• It is necessary for the operator to
get acquainted with all attachments
and controls as well as with their
function before operation begins.
• When operating the machine use
of fi rm and skid proof shoes is
recommended.
• The machine may be used only on
such surfaces clearly specifi ed by the
owner or his authorized representative.
• When operating the machine take
notice of persons within the operation
area especially children.
• Start moving immediately after brush
head has lowered otherwise the brush
might leave traces on the surface.
Lift the brush head before going over
obstacles (doorsteps).
• Empty dirty water tank before folding
recovery tank over.
• Use only cleaning agents suitable for
automatic machines (low-foaming)
and comply with the instructions for
use, disposal and with the warning
information specifi ed by the cleaning
agent’s manufacturer.
• The machine is not designed for
collecting hazardous, infl ammable or
explosive dust or substances.
• Usage of the machine in explosive
areas is prohibited.
• Pull the ignition key to avoid
unauthorized use of the machine.
• Before transporting the machine, lift
the squeegee and the scrub head
assemblies. Adapt operation of
machine to the local conditions.
• The machine may be used only for
operation on plane areas with a
maximum inclination of 2 %.
1.4 Maintenance instructions
• The daily and weekly maintenance
and repair task must be performed
by a qualifi ed operator. For any
maintenance and repair work
beyond this please contact your local
Minuteman service center.
• Observe the maintenance activities
and intervals set out in the instruction
manual.
• Maintenance and repair work
should be carried out with use of the
appropriate tools.
• Have the machine checked for
safety conditions in the sense of the
Page 8
Accident Prevention Regulation
by an expert at regular intervals
recommendation: (at least
once yearly) as well as after
modifi cations or repairs.
• Spare parts must be equal to
the technical requirements as
specifi ed by the manufacturer.
Using genuine spare parts
guarantee compliance with these
requirements.
• Stop engine before proceeding to
inspection and maintenance work.
• To prevent the machine from being
used by unauthorized persons, the
ignition key should be removed.
• When performing work on the
electrical system, be sure to
disconnect the battery plug.
• Make sure to protect the dirty water
tank against accidental closing or
tilting down before working in the
area of a lifted tank lid.
• Do not clean the electrical parts by
means of high-pressure cleaning
equipment.
• The use of aggressive detergents
is not recommended.
• Let the machine dry after cleaning i.e.
for the weekend.
• The machine may become operational
after all protective devices have been
fi tted and positioned.
1.5 Specifi c Hazards
Electric system
• Only use genuine fuses with the
correct rating.
• In case of malfunction of the electrical
system, immediately shutdown
machine and make repairs.
• Only qualifi ed personnel is authorized
to make repairs to this electrical
equipment according to electrical &
technical guidelines
• Inspect/check the electrical equipment
of the machine at regular intervals.
Immediately repair defects such as i.e.
loose connections or scorched cables.
Battery
• Follow the operating instructions of the
battery manufacturer.
• Handling and changing of the batteries
may take place only by maintenance
staff or qualifi ed technician.
• Never place metal objects or tools on
batteries this is a short-circuit hazard!
• Do not change the center of gravity,
only use recommended batteries at the
prescribed position.
• Provide suffi cient ventilation to areas
where batteries are being charged.
• Explosion hazard!
1.6 Information for Protection of
Environment
• Observe the legal directives and local
regulations for disposal of detergents,
see Water Management Act.
• Used batteries labeled as recyclable
contain reusable economic goods.
These batteries must not be added to
the normal waste.
Page 9
1.7 Labels On The Machine
The following safety and information labels
are legibly attached to the machine.
Replace missing or illegible labels
immediately.
Minuteman Decal (Fig. 1/1)
Machine identifi cation number (Fig. 1/2)
Dirty water drain hose (Fig. 1/3)
A = Read and observe the instruction
manual (Fig. 1/2)
B = Maximum inclination of 2 %
(Fig. 1/2)
C = Do not clean the machine by means
of high-pressure cleaning equipment
(Fig. 1/2)
Infl ation Pressure (Fig. 1/4) = 65 psi
Fig.1
Page 10
2 First Operation
2.1 Instruction
Instruction is required before the fi rst
operation. First instruction into handling
of the machine must be held by a
qualifi ed person sent by your local
Minuteman dealer. Your Minuteman
dealer will be informed upon delivery of
the unit and will contact you to make a
date for instruction.
2.2 Initial Charging Procedure
Before fi rst operation of the
machine, fully Charge the
battery with an initial charging
procedure and comply with the
operating instructions of the
charger as well as with those
of the battery manufacturer.
Minuteman cannot be
held liable for damages
resulting from the fact that
the initial charging has not or
insuffi ciently been done.
2.3 Before Operation Of Machine
Perform the following inspections
before operation.
1. Check parking site for signs of leakage.
Hoses, lines and tanks must be free from
any leakage or damage.
2. Install brushes and squeegee, see
maintenance chapter.
3. Install batteries and connect battery
cable, see maintenance chapter.
4. Check battery charge and proceed
to charging of batteries if required.
Generally proceed to initial charging
before fi rst operation of the machine.
5. Empty dirty water Recovery tank and
clean it if required, see maintenance
chapter.
6. Fill clean water tank and add a cleaning
agent according to the manufacturer’s
recommendations.
Use only cleaning agents suitable
for automatic machines (low-
foaming type) and comply with
the instructions for use. Follow
directions for disposal and
warning information as specifi ed
by the manufacturer.
2.4 Start Machine
Before starting the machine, set the
forward/reverse level to neutral position. If
the lever is not in the neutral position when
machine is switched on, an error message
will occur. Use the following
procedure reset the machine into operating
mode:
• Disconnect main plug of the charger from
outlet and fasten to the holder.
• Switch on the machine by turning the
ignition key from position (0) to position (1).
2.5 Operation
1. Turn on the machine via ignition switch.
2. Use hand lever (Fig. 5/3) to lower
squeegee. Vacuum motor turns on
automatically.
3. Switch on clean water supply by solution
switch (Fig. 4/14).
4. Adjust clear water amount by means of
metering switch (Fig. 4/13).
5. Use pedal (Fig. 5/9) to lower brush head.
6. Use forward/reverse lever (Fig. 5/1) to
adjust speed and direction. Increase the
scrub brush pressure if required with pedal
(Fig. 5/10) .
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