Minuteman E28, E30, E33 User Manual
User Manual
E28/E30/E33 (7062.12/.15/.18)
Introduction
Preface
Dear customer, It is our desire that the
good characteristics of the E 28/E30/
E33 should justify the confidence you
demonstrated by making this purchase.
Prior to the first use, carefully read the
chapter "Safety Information” as this will
ensure your safe operation of the machine.
Your own safety, as well as the safety of
others, depends to a great extent on
how the machine is moved and operated. Therefore, this operation and maintenance manual must be read and
understood prior to the machine being
used for the first time.
The manual provides valuable information about operation, service and
maintenance. The warning symbols as
used in this manual identifies items 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 vehicle or the operation
and maintenance manual.
Introduction
Please be advised explicitly that we
cannot accept any legal issues out of
the contents of this manual.
If repair work has to be performed make
sure that only genuine spare parts are
used; only genuine spare parts may
guarantee a dependable machine.
We reserve the right for technical improvement..
Valid as of: July 2007
Minuteman International Inc.
111 South Rohlwing Road
ADDISON, II. 60101-4244
U.S.A.
Proper use
The machine is a vacuum scrubbing
machine for wet cleaning of hard-surfaced floors. Using the machine beyond
this scope of application will be deemed
improper 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 specifications.
The E 28/E30/E33 may only be used by
persons that are familiar with the machine and aware of possible hazards
involved.
If modifications to the machine are
made in absence of the manufacturer's
prior consent, the latter cannot be held
liable for damage resulting from such
unauthorized modification.
2
Introduction
Notes on warranty
The terms of the sales contract apply.
Damages are not subject to warranty if
they are due to non-compliance with the
maintenance and service provisions.
The maintenance work has to be performed by an authorized Minuteman service center and confirmed in the
"Maintenance certificate" which is the
warranty document.
The following is excluded from
warranty: fuses, natural wear, damages
caused by overload, inexpert handling
and unauthorized modification of the
machine. Moreover, any claim for warranty cannot be accepted if damages of
the machine are caused by fitting parts
or accessories without Minuteman's prior and explicit consent or by non-compliance with the maintenance
instructions.
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 throughly inspected before shipment. Any damage is the responsibility of the delivery
carrier who should be notified immediately.
Minuteman International Inc.
111 South Rohlwing Road
ADDISON, II. 60101-4244
U.S.A.
3
Table of Content
Introduction . . . . . . . . . . . . . 2
Preface. . . . . . . . . . . . . . . . . . 2
Proper use . . . . . . . . . . . . . . . 2
Notes of warranty. . . . . . . . . . 3
Acceptance of the machine . . 3
1 Safety information . . . . . . . . 5
1.1 Safety and Warning Symbols. 5
1.2 General Provisions. . . . . . . . . 6
1.3 Provisions for Operation. . . . . 6
1.4 Maintenance instructions . . . . 7
1.5 Specific Hazards . . . . . . . . . . 8
1.6 Information for Protection of En-
vironment . . . . . . . . . . . . . . . . 8
1.7 Labels at the Machine . . . . . . 9
2 First Operation . . . . . . . . . . 10
2.1 Instruction. . . . . . . . . . . . . . . 10
2.2 Initial charging procedure. . . 10
2.3 Before Taking into Operation 10
2.4 Start Machine. . . . . . . . . . . . 10
2.5 Operation . . . . . . . . . . . . . . . 11
2.6 Stop Machine . . . . . . . . . . . . 11
2.7 After Work . . . . . . . . . . . . . . 11
2.8 Transporting Machine . . . . . 11
3 Operation . . . . . . . . . . . . . . 12
3.1 Method of operation. . . . . . . 12
3.1.1 Brush Deck. . . . . . . . . . . . . . 12
3.1.2 Solution Tank. . . . . . . . . . . . 12
3.1.3 Squeegee. . . . . . . . . . . . . . . 13
3.1.4 Recovery Tank. . . . . . . . . . . 13
3.1.5 Traction Drive. . . . . . . . . . . . 13
3.1.6 Batteries and Charger . . . . . 13
3.1.7 Options. . . . . . . . . . . . . . . . . 13
3.2 Operating and Indicating Ele-
ments . . . . . . . . . . . . . . . . . . 14
3.2.1 Operating Panel. . . . . . . . . . 14
3.2.2 At the machine. . . . . . . . . . . 17
4 Technical Data . . . . . . . . . . 20
5 Maintenance and Care. . . . 22
5.1 System Maintenance . . . . . . 22
5.2 Maintenance document . . . . 23
5.3 Maintenance Schedule. . . . . 23
5.4 Battery Systems. . . . . . . . . . 28
5.4.1 Charge Batteries . . . . . . . . . 29
5.4.2 Low Discharge Signal sender
(LDS) . . . . . . . . . . . . . . . . . . 29
5.4.3 Maintenance of Drive
Batteries. . . . . . . . . . . . . . . . 29
5.4.4 Remove Batteries. . . . . . . . . 29
5.4.5 Install Batteries. . . . . . . . . . . 29
5.4.6 Disposal of Batteries . . . . . . 29
5.5 Solution Tank. . . . . . . . . . . . 30
5.5.1 Fill Solution Tank . . . . . . . . . 31
5.5.2 Empty Solution Tank . . . . . . 31
5.5.3 Clean Solution Filter. . . . . . . 31
5.6 Recovery Tank. . . . . . . . . . . 32
5.6.1 Empty Recovery Tank . . . . . 33
5.6.2 Clean Recovery Tank. . . . . . 33
5.6.3 Clean Suction Filter . . . . . . . 33
5.7 Disc brush Deck. . . . . . . . . . 34
5.7.1 Clean Brushes . . . . . . . . . . . 34
5.7.2 Change Brushes . . . . . . . . . 34
5.7.3 Change Roller Bumper. . . . . 34
5.7.4 Change Sealing Strip. . . . . . 34
5.8 Cylindrical brush deck . . . . . 35
5.8.1 Clean dirt hopper . . . . . . . . . 35
5.8.2 Remove brushes . . . . . . . . . 35
5.8.3 Clean brushes . . . . . . . . . . . 35
5.8.4 Fit brushes . . . . . . . . . . . . . . 35
5.8.5 Change roller bumper . . . . . 35
5.9 Squeegee. . . . . . . . . . . . . . . 36
5.9.1 Clean Squeegee . . . . . . . . . 36
5.9.2 Change Squeegee Blades. . 36
5.9.3 Adjust Squeegee Blades . . . 37
Minuteman Limited Warranty
. . . . . . . . . . . . . . . . . . . . . . .
40
4
Safety information
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 attributed one of the following warning symbols:
Safety Symbols Description
WARNING Indicates a hazardous situation which could result in death or serious injury.
NOTICE Indicates a potentially hazardous situation which may result in equipment or
property damage.
Additional Symbols Description
Ecological hazard Indicates the use of substances representing an inherent danger to the health
of the environment
Note Indicates important or additional information.
5
Safety information
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 have to be complied
with.
• Before taking your machine into operation, carefully read the instruction
manual as well as other separate instructions for accessories or attached implements and comply with all
points mentioned there during work.
• Persons being trained by qualified
Minuteman technicians only are authorized to operate, service and repair the machine.
• You are advised to thoroughly study
the safety instructions since precise
knowledge helps prevent errors during machine operation and thus
guarantee proper use of the machine.
• The operating instructions have to
be at hand at the place of use of the
machine, and therefore have to be
kept readily available at the machine.
• When selling or letting the machine
for rent, hand out these documents
to the new owner/operator and have
the transfer certified!
• The warning and instruction plates
attached to the machine contain valuable advice about safe operation.
Immediately replace incomplete or illegible labels.
• As far as safety standards are concerned, use only genuine spare
parts!
1.3 Provisions for Operation
• Before first 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 an insufficient initial
charge.
• Before taking into operation, check
the machine for operational safety!
Immediately repair any malfunctions!
• It is indispensable for the operator to
get acquainted with all attached implements and controls as well as
with their function before operation
begins. Once you have started to
work, no time will be left to do so!
• When working with the machine use
firm and skid proof shoes.
• The machine may be used only on
such surfaces clearly specified by
the owner or his authorized representative.
• When working with the machine, pay
strict attention to any persons in the
close vicinity.
• Start moving immediately after brush
deck has switch on otherwise the
brush might leave traces on the floor.
Lift the brush head before moving
over obstacles (doorsteps).
• Only fold open empty recovery tank.
• Use only cleaning agents suitable for
automatic machines (low-foaming)
and comply with the instructions for
use, disposal and with the warning
information specified by the cleaning
agent's manufacturer.
• The machine is not designed for collecting hazardous, flammable or expl
osive dusts or substances.
Usage of the machine in explosive
•
areas is prohibited.
• Remove the key to avoid unauthorized use of the machine.
• Before transporting the machine, lift
the squeegee and the brush deck.
6
Safety information
Adapt driving habits to local conditions.
• The machine may be used only for
operation on flat floors with a maximum inclination of up to 2 %.
1.4 Maintenance instructions
• The daily and weekly maintenance
and repair task must be performed
by a qualified operator. For further
maintenance and repair work please
contact your local Minuteman service center.
• Observe the maintenance activities
and intervals set out in the instruction manual.
• Maintenance and repair work may
be carried out only by means of appropriate tools.
• Have the machine checked for safe
condition by an expert at regular intervals (recommendation: at least
once yearly) as well as after modifications or repair.
• Spare parts have to equal the technical requirements as specified by the
manufacturer! Genuine spare parts
guarantee compliance with these requirements.
• Switch off the engine and remove
the key before inspecting the machine or performing any maintenance
work.
• To prevent the machine from being
used by unauthorized persons, the
control key must be removed.
• When performing work at the electrical system, be sure to disconnect the
battery plug.
• Make sure to protect the recovery
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
prohibited.
• Let the machine dry after cleaning.
Do not stroe the machine with liquid
remaining in the tanks
• All protective devices must be in place before operating the machine.
1.5 Specific Hazards
Electric system
• Only use genuine fuses with specified ratings.
• In case of malfunction of the electric
system, shut the machine down im-
mediately and have it serviced.
• Only qualified personnel are authorised to work on the electrical system
and only according to electro-technical rules.
• Inspect/check the electrical equipment of the machine at regular intervalls.Clear up any defects
immediately, such as loose connections or damaged cables..
Battery
• Observe the operating instructions of
the battery manufacturer.
• Never place metal objects or tools on
batteries - short-circuit hazard!
• Due to alteration of the center of gravity, only use batteries as released
and at the prescribed position only.
• Charge batteries only in areas with
sufficient ventilation. – Explosion hazard!
7
Safety information
1.6 Information for Protection of
Environment
• For safe use of substances inheriting
a danger to health and environment
specific knowledge is required.
• Observe the legal directives and lo-
cal regulations for disposal of detergents.
• Used batteries labelled as recyclable
contain reusable economic goods.
According to the crossed dustbin label these batteries must not be added to the normal waste.
8
Safety information
1.7 Labels at the Machine
The following safety and information labels are legibly attached to the machine. Replace missing or illegible labels
immediately.
Minuteman nameplate (Fig. 1/1)
Machine identification number (Fig. 1/2)
Recovery tank drain hose (Fig. 1/3)
A = Read and observe the instruction
manual
B = Maximum inclination of 2%
C = Do not clean the machine by means
of high-pressure cleaning equipment
A
B
10
C
2
3
1
Fig.1
9
First Operation
2 First Operation
2.1 Instruction
Only persons trained by qualified Minuteman technicians are authorized to
operate, service and repair the machine. Operators must read and understand this manual before operating or
maintaining this machine.
2.2 Initial charging procedure
Before first 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 an
insufficient initial charge.
2.3 Before Putting into Operation
Complete the following inspections before taking the machine into operation:
1. Check the area around the machine
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
plug, see maintenance chapter.
4. Check battery charge and recharge
if required. An initial charge is required before first operation of the machine.
5. Empty recovery tank and clean it if
required, see maintenance chapter.
6. Refill solution tank and add cleaning
agent according to the manufacturer's recommendations.
Use only cleaning agents suitable for automatic machines
(low-foaming) and comply with
the instructions for use, disposal and with the warning information specified by the cleaning agent's manufacturer.
2.4 Start Machine
Proceed with the following to set the
machine to operating mode:
• Disconnect mains plug of the charger from outlet and fasten to holder.
• Switch on machine by actuation of
key switch from position (0) to position (1).
10
First Operation
2.5 Operation
1. Switch on the machine.
2. Use lever (Fig5/4) to lower squeegee. Vacuum motor switches on automatically.
3. Use solution control (Fig5/3) to set
the desired flow rate.
4. Use pedal (Fig5/1) to lower brush
deck. The solution supply switches
on automatically.
5. Use speed control knob (Fig.4/9b) to
adjust work speed. Use the direction
switch (Fig.4/9a) to select forward or
reverse. Pull the bail handle (Fig.4/
9c) to start moving.
Start moving machine immediately after switching on the
brush deck, otherwise the
brushes leave traces on the
floor. Lift brush deck before
passing over steps and other
obstacles.
2.6 Stop Machine
When the bail handle is released it automatically returns to the neutral position. The machine stops. Secure the
machine against unintentional movements or against being started.
2.7 After Work
1. Move machine to a suitable site for
maintenance.
2. Stop machine, lift squeegee and
brush deck and remove the key.
3. Empty and clean recovery tank.
Observe the legal directives
and local regulations for disposal of detergents.
4. Check solution filter.
5. Check seals and suction hose.
6. Check operating fluid levels, function
and setting.
7. Charge batteries.
8. Clean the machine.
Empty the solution tank before shutting
down the machine for a longer time.
Do not clean the electrical
parts by means of high-pressure cleaning equipment.
2.8 Transporting the machine
To transport the machine to the work area, switch it on, lift-out squeegee and
brush deck, pull the bail handle start
movement.
2.9 Tie-down points
IWhen transporting on a vehicle or trailer, the machine has to be secured. Tie
the machine down firmly by using the
front eye bolts (Fig. 2/1) and the rear
chassis (Fig. 2/2) as tie-down points.
1
Fig.2
2
11
Operation
3 Operation
3.1 Method of Operation
General
The E 28/E30/E33 is a vacuum scrubbing machine for wet cleaning of hardsurfaced floors.
3.1.1 Brush Deck
Lower brush deck (Fig. 3/1) via pedal
before scrubbing. The brushes rotate
and solution supply switches on automatically. When the machine stops,
brushes and solution supply switch off
automatically.
3.1.2 Solution Tank
Fill the solution tank (Fig. 3/2) after removing the cover. The solution tank
holds 23.8 gallons and the filling level
can be checked visually (through transparent hose). Regulation of solution
amount is available via adjustment
handle.
6
7
1
3
5
4
2
12
Fig.3
Operation
3.1.3 Squeegee
The movable squeegee (Fig. 3/3) consists of the squeegee lift mechanism,
the vacuum motor and squeegee blades. The soiled water is wiped from the
floor by means of squeegee blades.
Squeegee is lowered via hand lever. Simultaneously, the vacuum switches on.
The vacuum motor works independent
of direction of travel and even if the machine stops. Second actuation of the
hand lever lifts the squeegee up again
and vacuum motor is automatically
switched off with a delay of 15 seconds.
3.1.4 Recovery Tank
The soiled water is taken from squeegee to the recovery tank (Fig. 3/4) by
vacuum motor and suction hose.
3.1.5 Traction Drive
The machine features a continuous
traction drive (Fig. 3/6). The electronic
traction drive control realises modification of travel speed, direction as well as
dynamic braking.
3.1.6 Batteries and Charger
The machine is equipped with 235 Ah
batteries (Fig. 3/5), an automatic charger unit (Fig. 3/7) and a low discharge
signal sender (LDS) for protection
against low discharge.
3.1.7 Options
• Extraction hose including suction
pipe, joint nozzle and wet suction
nozzle
• Mop holder and tool-box for cleaning
utensils
Accessories such as brushes,
rollers, pads, pad holder with
centerlock and sealing strips
are available. Contact your Minuteman Dealer for more information.
13
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