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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 

Summary of Contents for E28

Page 1: ...Minuteman Inc A member Of The Hako Group User Manual E28 30 33 988745UM REV A 07 2022...

Page 2: ...f 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 not...

Page 3: ...use or unauthorized modi cations Claims under the terms of warranty are also annulled when damage occurs to the vehicle resulting from the use of parts or accessories not explicitly approved by us or...

Page 4: ...oints 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...

Page 5: ...5 7 2 Changing Brushes 32 5 7 3 Changing De 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...

Page 6: ...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...

Page 7: ...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 w...

Page 8: ...ned 1 5 Speci 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 quali ed perso...

Page 9: ...or illegible labels immediately Minuteman Decal Fig 1 1 Machine identi 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...

Page 10: ...ed to initial charging before 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...

Page 11: ...e legal directives and local regulations for disposal of detergents see Water Management Act 4 Check clean water lter 5 Check squeegee blades and suction hose 6 Check operation function and settings 7...

Page 12: ...the forward reverse lever is in the neutral position machine is stopped the scrub brushes water supply is switch o automatically Figure 3 represents the Disc scrub Head type machine A Cylindrical Scru...

Page 13: ...a vacuum motor and suction hose For cleaning and collecting water in places where access is di cult the machine is equipped with a handheld suction hose 3 1 5 Drive System The machine features a cont...

Page 14: ...1 Display 2 Key Switch 3 Battery Charge Indicator 4 LDS Indicator 5 Symbol for Brush Drive 6 Symbol for Vacuum Motor 7 Hour Meter 8 Symbol for Service Indicator 9 Drive Direction Control 9a with spee...

Page 15: ...control knob and bail handle Fig 4 9 The drive direction control 9a is used to control the driving direction forward or reverse The bail handle must be pulled in order to drive The speed can be adjust...

Page 16: ...deck pedal 2 Opening of solution tank 3 Solution control 4 Sqeegee lever 5 Solution tank lter 6 Recovery tank drain hose 7 Solution tank drain hose Solution level indicator 8 Brush ejector 9 Power Cor...

Page 17: ...e the hand lever to lift and lower the squeegee This will deactivate or activate the vacuum motor Solution tank lter Fig 5 5 While solution ows from tank to brush deck it is cleaned by the lter elemen...

Page 18: ...Page 18 4 Technical Data Add 7 3 kgs 16 lbs for Gel Batteries...

Page 19: ...vel measured at the ear of the driver under normal conditions of use LpA according to DIN EN 60335 2 72 amounts to Measurement inaccuracy KpA dB A 82 dB A 67 dB A 1 6 Vibration The frequency weighted...

Page 20: ...II every 250 hours of operation To be performed by quali ed personnel of an authorized Minuteman Service Center in accordance with the machine speci c system maintenance including spare parts kit Minu...

Page 21: ..._____operating hours System Maintenance I 625 operating hours Workshop stamp carried out on at_____________operating hours System Maintenance II 750 operating hours Workshop stamp carried out on at___...

Page 22: ...crub head and clean if required o Check squeegee and clean if required o Clean seal on lid of the recovery tank o Empty recovery tank Clean recovery tank and suction lter o Check brushes pads and repl...

Page 23: ...of operation Check battery charger o Check tank lid seal of the recovery tank and replace if required o Check drain hose of the recovery tank and replace if required o Grease joints at the brush lift...

Page 24: ...ing to System Maintenance I o Inspect steering rollers for tread damage and bearing slackness and replace if required o Check drain hose from the recovery tank and replace if required o Check roller b...

Page 25: ...Every 500 hours of operation Perform maintenance work according to System Maintenance II o Clean drive motor from carbon dust and check carbon brushes for smooth operation and wear and replace carbon...

Page 26: ...DS Display 2 Charger Indicator 3 Charger 4 AC Power Cord for Charger 5 Battery Connector 6 Batteries 7 Recovery Tank 8 Support 9 Wiring Diagram The handling and changing of batteries by quali ed perso...

Page 27: ...gnal sender has been integrated into the electronics If other batteries are used readjustment of the low discharge signal sender is required Only Minuteman contract workshops are authorized to make ad...

Page 28: ...Page 28 5 5 Solution Tank 1 Solution Tank 2 Solution Full Marker 3 Fill Level Hose 4 Clean Water Filter 5 Solution Tank Lid Fig 8...

Page 29: ...g instructions for information on operation of the metering unit The maximum service pressure of the oater unit is 87 psi 6 bar 5 5 2 Empty the Solution Tank Park vehicle such that the ll level hose F...

Page 30: ...Page 30 Fig 9 5 6 Recovery Tank 1 Recovery Tank 2 Recovery Tank Drain Hose 3 Suction Filter 4 Recovery Tank Lid...

Page 31: ...suction lter Fig 9 3 for function at daily intervals and clean if required The suction lter is clipped on and can be easily removed 5 6 1 Empty Recovery Tank Clean recovery tank Fig 9 1 at daily inte...

Page 32: ...ly intervals Replace brushes if bristles are worn down to a length of 1 5 cm 1 Use pedal Fig 10 1 to lift scrub head 2 Press brush ejectors Fig 10 3 down to remove old brushes 3 Push new brush under b...

Page 33: ...2 Remove Brushes 1 Release brush seating Fig 11 7 by locking lever Fig 11 8 2 Remove brush seating by lowering and removing it to the front 3 Remove and check the brushes 5 8 3 Clean Brushes Clean bru...

Page 34: ...star shaped knobs Fig 11 2 and remove the squeegee 5 9 2 Changing the Squeegee Blades Check the inner and outer squeegee blades on the squeegee Fig 11 1 weekly for signs of wear The squeegee blades ca...

Page 35: ...t the ends of the squeegee blades have contact with the oor Figure A Turn the adjusting screw counter clockwise The clearance between squeegee blade and oor is reduced in the center Figure B Turn the...

Page 36: ...e holder In case of very smooth oors e g nished oors PVC linoleum etc Number of washers 2 This corresponds to a clearance of approximately 2mm In cases of very uneven oors e g poorly laid tiles water...

Page 37: ...Page 37...

Page 38: ...Minuteman Inc A member Of The Hako Group 988745UM REV A 07 2022 More Than Just Clean Minuteman is a Full Line Manufacturer of Sweepers and Scrubbers for Industrial Facilities...

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