Minuteman E28 User Manual Download Page 15

Page 15

LDS Indicator (Fig. 4/4)

Upon switching on, the LDS indicator is 
illuminated on the panel to show the current
battery charge condition during operation. 
For additional Information see chapter on 
maintenance.

Symbol For Scrub Brush (Fig. 4/5)

This symbol appears when the scrub brush 
is switched on.

Symbol For Vacuum Motor  (Fig. 4/6)

This symbol appears when the vacuum 
motor is switched on.

Hour Meter (Fig. 4/7)

When switched on, the hour meter
briefl y displays the software version and the 
last error code. Then the current
operating hour level is shown.

Service Indicator (Fig. 4/8)

The service indicator is illuminated after 
an occurrence of a system error and 
if a cleaning procedure is interrupted.             
In addition to the service indicator, a  
4-digit code is displayed on the hour 
meter.

Drive direction control with speed 
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 adjusted continuously by means of the 
speed control knob (9c). The machine 
stops when the bail handle is released 
(deadman function).

 

Secure the machine against

 

rolling away before leaving it

 

unattended.

Display (Fig. 4/1)

This panel allows centralized monitoring
of functions and status of all
available operating modes.

Key Switch (Fig. 4/2)

The ignition key switch turns the electrical 
system on and off .

Pull the ignition key to avoid
unauthorized use of the machine.

  
      A          B         C         D

Battery Charge Indicator (Fig. 4/3)

The battery charge indicator appears on
the panel during the charging procedure
and shows the current charge condition
of batteries during the charging procedure.
The following symbols appear:
Battery symbol A < charge of 20 %
Battery symbol B = charge of 80 %
Battery symbol C = charge of 100 %
Battery symbol D (fl ashes) = error

1.  1.  1.  1. 

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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