Minuteman e20 User Manual
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Minuteman e20 User Manual

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User Manual
E20 Walk-Behind Scrubber
Traction Drive Cylindrical Deck

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Summary of Contents for Minuteman e20

  • Page 1 User Manual E20 Walk-Behind Scrubber Traction Drive Cylindrical Deck...
  • Page 2 This manual is furnished with each new MINUTEMAN E20. This provides the necessary operating and preventive maintenance instructions. Operators must read and understand this manual before operating 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: ·...

  • Page 3: Technical Specifications

    Technical Specifications Model E20 Traction Drive Cylindrical Model No. E20C / E20CQP / E20CQPG / E20CQPT / E20CINT / E20CQPINT / E20CQPGINT 40 amps Current (Max) 140Ah @20 hr Battery Capacity (Lead Acid) 95Ah @20 hr Battery Capacity (Gel) 69 dBA...

  • Page 5: Table Of Contents

    Brush Loading / Unloading ................27 Handle Adjustment Knobs ..............11 Brush Deck Maintenance ................27 Key Switch ..................11 The E20 Cylindrical ................... 28 Direction Switch .................. 11 Machine Operation ..................30 Squeegee Lift Lever ................11 To Turn ON Machine: .................. 30 Battery / Fault Gauge ................

  • Page 6: Safety Instructions

    Operators must read and understand this manual before operating or maintaining this machine. Do not operate this machine in flammable or explosive areas. This machine is designed solely for scrubbing dirt and dust in an indoor environment. Minuteman does not recommend using this machine in any other capacity.

  • Page 7: Unpacking Instructions

    The recommended batteries are rated 140Ah WET (Minuteman P/N 956140) or 95Ah Maintenance Free GEL (Minuteman P/N 956100). We do not recommend mixing AMP hour capacities. Alternate battery sets can be used if they equal physical size and capacity. If alternate battery sets are used please contact Minuteman for on board charger settings.

  • Page 8: Machine Overview

    Machine Overview Machine Overview - Front SPRAY BOTTLE / CUP HOLDER SOLUTION FILL PORT RECOVERY TANK LID RECOVERY TANK BRUSH DECK FRONT WHEEL REAR CASTER SOLUTION TANK...
  • Page 9 Machine Overview Machine Overview - Rear BAIL HANDLE CONTROL PANEL SQUEEGEE LIFT LEVER SOLUTION TANK DRAIN HOSE / LEVEL INDICATOR RECOVERY TANK DRAIN HOSE BRUSH LIFT PEDAL ONBOARD CHARGER CORD REAR SQUEEGEE CIRCUIT BREAKERS DIAGNOSTIC CODE GUIDE RECOVERY HOSE SOLUTION CONTROL LEVER...

  • Page 10: Controls

    Machine Overview Controls BAIL HANDLE HANDLE ADJUSTMENT KNOB KEY SWITCH DIRECTION SWITCH SQUEEGEE LIFT LEVER BATTERY / FAULT GAUGE SPEED CONTROL CHARGE STATUS INDICATOR SOLUTION CONTROL LEVER...

  • Page 11: Bail Handle

    Machine Overview Bail Handle (A) When the scrub deck is lowered to the floor, the bail handle enables the brush and vacuum motors and moves the machine forward once depressed. Handle Adjustment Knobs (B) Allows the handle position to be raised or lowered. Key Switch (C) Controls the machine’s power (Off/On) with a key for safety.

  • Page 12: Optional Hour Meter

    Machine Overview Optional Hour Meter Minuteman offers an optional hour meter for the E20. The optional kit replaces the power cord mounting bracket at the rear of the machine with one that contains an hour meter, which records the brush motor operating time.

  • Page 13: Circuit Breakers

    Machine Overview Circuit Breakers The circuit breakers are located at the bottom of the back panel of the machine. Main Control Circuit Breaker - 4A Brush Motor Circuit Breaker - 30A Vacuum Motor Circuit Breaker - 20A Drive Motor Circuit Breaker - 20A If any of the functions above are not operating, check if the circuit breaker buttons have tripped.

  • Page 14: Battery Compartment

    (see diagram). The recommended batteries are 140Ah (Minuteman P/N 956140) or 95Ah (minuteman P/N 956100) Gel. The battery tray may be drained if necessary using the orange drain hose located above the rear caster on the right side of the machine.

  • Page 15: Diagnostic Code Guide

    Machine Overview Diagnostic Code Guide When an error or fault occurs within the machine, a fault code will appear on the battery gauge represented by a specified number of flashing LEDs. (See “Troubleshooting” for further information)

  • Page 16: Handle Adjustment

    Machine Overview Handle Adjustment The E20 handle was designed with operator comfort in mind. The angle and horizontal position of the handle can be adjusted to suit the needs of the operator. Angle Adjustment The handle angle can be adjusted without tools by loosening the Angle Adjustment Knob (A) on each side and rotating the handle to the desired position.

  • Page 17: Horizontal Adjustment

    Machine Overview Horizontal Adjustment The horizontal position can be adjusted by removing the 4 Mounting Bolts (B) (2 each side) with a 9/16” socket and sliding the Mounting Plate (P) to one of the 3 available positions. The machine is shipped from the factory in position 1.

  • Page 18: Solution Tank Drain Hose

    Machine Overview Solution Tank Drain Hose The solution tank may be drained by removing the Solution Tank Drain Hose (A) from the Hose Barb (B) and routing the hose to a floor drain. Solution Level Indicator The Solution Tank Drain Hose also serves as a water level indicator for the solution tank.

  • Page 19: Solution Fill Filter

    Machine Overview Solution Fill Filter The Solution Fill Filter (B) should be cleaned regularly. To remove, simply open the Solution Tank Lid (A) and pull the filter out. Recovery Tank Drain Hose Twist Cap to Open and Drain Twist & Lift cap to clean out large debris...

  • Page 20: Screened Float

    Machine Overview Screened Float If the recovery tank (C) is overfilled or a large amount of foaming is present, the screened float (B) blocks the vacuum intake inside the tank protecting the vacuum motor and internal electronics from water damage. It is essential to keep the float in working order through regular maintenance.

  • Page 21: Screened Float Removal

    Machine Overview Screened Float Removal The screened float is positioned between the vacuum manifold (A) and recovery tank (C). The screened float (B) can be accessed by removing the 1.5” bolt (D) and two 1.25” bolts (E) that attach the manifold to the recovery tank using a 7/16”...

  • Page 22: In-Line Solution Filter Assembly

    Machine Overview In-Line Solution Filter Assembly The pump and solution solenoid, which shuts off solution flow when the bail handle is released, are protected from debris by the in-line filter assembly. The filter assembly is located at the front of the machine above the brush deck. It is important to check and clean the screened washer inside the assembly regularly to ensure proper solution flow.

  • Page 23: Rear Squeegee

    Machine Overview Rear Squeegee Cleaning the Squeegee Changing the Squeegee Blades Check the squeegee (A) daily and clean as Check the inner and outer squeegee blades on A Squeegee necessary. the squeegee (A) weekly for signs of wear. The B Star-shaped knob 1.

  • Page 24: Squeegee Blades

    Machine Overview Squeegee Blades Angle Adjustment The angle adjustment is the decisive factor in ensuring that the squeegee blades on the squeegee lie evenly on the floor. 1. Park the machine on a level surface and lower the squeegee. 2. Loosen the lower wing nut (B) on the adjust- ing screw (C) and adjust the squeegee using the adjusting screw so that the ends of the squeegee blades still have contact with the...

  • Page 25: Squeegee Blades

    Machine Overview Squeegee Blades Height Adjustment If streaks are present, despite an optimum angle adjustment, the clearance between the caster wheels and floor must be adjusted by 3 mm changing the number of washers underneath the bracket that holds the wheel. The squeegee height is preset at the factory to 2mm.

  • Page 26: Brush Deck Maintenance

    Machine Overview Brush Deck Maintenance Sprayjet Maintenance The sprayjets deliver solution to the floor. The spray tip should be cleaned weekly to ensure good cleaning results. To Install To Remove Figure 1 Figure 2 Figure 3 Spray tip removal and installation for cleaning 1.

  • Page 27: Brush Loading / Unloading

    Machine Overview Brush Deck Maintenance Debris Tray Maintenance The Debris Tray (A) collects debris from the floor during operation. It must be cleaned regularly. Remove the tray from the deck by tilting the bottom up, then sliding it out to the side.

  • Page 28: The E20 Cylindrical

    This machine was designed with total operator comfort and ease of use in mind. All machine components have been designed as a total system to efficiently clean dirty floors. Please contact your Minuteman representative for specific recommendations for the correct brush type and chemical applications.
  • Page 29 WARNING! - Be sure you understand the machine controls and their functions. - While on ramps or inclines, avoid sudden stops when tanks are filled. - Avoid abrupt sharp turns. Slow down driving speed when going downhill.

  • Page 30: Machine Operation

    Machine Operation To Turn ON Machine: Turn key to operate position ( I ). Wait for battery gauge to stop flashing. (If flashing continues, see troubleshooting guide) To Turn ON Vacuum: Lower squeegee into operating position, vacuum motor will turn ON when bail handle is depressed. To Turn ON Brush Motor: Lower the scrub deck to the floor by moving the brush lift pedal from the “home”...

  • Page 31: To Charge Batteries

    Machine Operation To Charge Batteries: When the battery / fault gauge reaches the red zone the batteries need to be recharged. Take the machine to a well ventilated area, unwind the battery charger power cord from the electrical box cover and plug into an appropriate power source. After approximately 10 seconds the battery charge status indicator will turn on.

  • Page 32: After Use

    After Use After Use 1. When finished scrubbing, lift the scrub deck. Lift the rear squeegee (the vacuum motor will turn off after 10 seconds). Move the machine to a service area for daily maintenance and review items that may need service. 2.

  • Page 33: Maintenance

    Maintenance D a i ly W e ek l y M o n th l y Y e arl y C h a rg e B a tt e r ie s I ns p ec t B ru sh L u b r ica tio n –...
  • Page 34 Reconnect or replace recovery hose disconnected or damaged Worn brushes Rotate or replace brushes Wrong brush or cleaning chemic al Consult Minuteman Debris caught on scrub brushes Remove debris Poor scrubb ing performan ce Moving machine too fast Slow down...
  • Page 35 Troubleshooting Problem Possible Cause Remedy Tripped Control Power circuit breaker Reset circuit breaker Batteries have low charge Recharge batteries Machin e does not Battery charger operating Unplug battery charger when charge is complete operate Key switch off Turn key on Bail handle depressed too quickly after Turn key off, turn on, wait until battery gauge lights up turning key on...

  • Page 36: Troubleshooting

    Troubleshooting Fault / Diagnostic Codes The Battery / Fault gauge will flash when a fault is detected. A decal labeled “Diagnostic Codes” is located below the battery gauge as an abbreviated and convenient guide to determine the cause of the fault and the remedy (refer to machine or see “Diagnostic Code Guide” section of this manual). The flashing codes are for the following: The battery needs charging, there is a bad The motor has a short circuit to a battery...
  • Page 37 Troubleshooting Not used. A controller fault is indicated. Make sure that all connections are secure. The controller is being inhibited from driving, Not used. this may be because the battery charger is connected. The bail handle was activated prior to turning An excessive voltage has been applied to the the machine on.

  • Page 38: Warranty

    Minuteman International, Inc. warrants to the original purchaser/user that the product is free from defects in workmanship and materials under normal use. Minuteman will, at its option, repair or replace without charge, parts that fail under normal use and service when operated and maintained in accordance with the applicable operation and instruction manuals.
  • Page 39 1 yr 10 yrs Explosion Proof Vacuum 1 yr 1 yr X12, X12H & TRS 14 1 yr 1 yr 10 yrs E17 & E20 Electric Scrubbers 1 yr 6 months 10 yrs Pneumatic Vacuums 3 yr 1 yr Description Parts...

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