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Minuteman E24 Service Manual

Minuteman E24
83 pages
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SERVICE MANUAL
For E Series Scrubbers
For
E
Series
Scrubbers
Models: E24, E26, E28,
E30 E33 E33XL
E30
,
E33
,
E33XL
,
E30ECO, E2830, E3030,
E3330 and H26
For:
Training
Troubleshooting
E3330
and
H26
Troubleshooting
Adjustments
Rev 07/07/2014

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Minuteman E24 Specifications

General IconGeneral
BrandMinuteman
ModelE24
CategoryScrubber
LanguageEnglish

Summary

1. Warnings

2. General Information

3. Maintenance Intervals

3.1 Minuteman System Maintenance K

Daily/weekly maintenance tasks for the customer to perform.

3.2 Minuteman System Maintenance I

Service center tasks performed every 125 hours of operation.

3.3 Minuteman System Maintenance II

Service center tasks performed every 250 hours of operation.

3.4 Minuteman System Maintenance S

Service center safety check performed every 500 hours of operation.

4. Squeegee Cable and Gasket

4.1 Squeegee Adjustment (Version One)

Procedure for adjusting the squeegee for optimal suction.

4.2 Squeegee Adjustment (Version Two)

Procedure for adjusting the squeegee for optimal suction.

4.3 Squeegee Wheel Adjustment

Details on setting the correct clearance for squeegee support rollers.

4.4 Squeegee Wheel Adjustment

Further details on wheel height adjustment and associated parts.

4.5 Squeegee Lift Cable, Switch & Motor

Information on the squeegee lift cable, micro switch, and vacuum motor.

5. Brush Head (Disk) Connections

5.1 Brush Motor Information

Information on brush motor operation, switches, and current limits.

6. Brush Head

6.1 Brush Switch

Details on the micro-switch controlling brush motor operation.

6.2 Brush Pressure Adjustment (Disk Models)

How to adjust brush pressure on disk models for optimal scrubbing.

6.3 Brush Pressure (Disk Models)

Data table detailing brush pressure specifications for different models.

6.4 Brush Head (Cylindrical)

Electric connections for brush motors of cylindrical broom heads.

6.5 Adjusting Cylindrical Deck

Procedure for adjusting the cylindrical brush head deck dimension.

7. Drive and Wheels

7.1 Electric Brake (E33 and 30 Gallon Tank Models Only)

Explanation of the electric brake system in specific models.

7.2 Transaxle Motor

Information on the transaxle drive motor and its thermal switch.

7.3 Transaxle Motor Carbon Brushes

Procedure for handling and replacing transaxle motor carbon brushes.

7.4 Drive Potentiometer Circuit

Details on the drive potentiometer circuit and its connections.

8. Water Supply

8.1 Solenoid Valve

Description of the solenoid valve controlling water flow to brushes.

8.2 Solution Filter

Information on the solution filter screen in the water supply line.

8.3 Water Supply (Solution Tank Clean out)

How to clean the solution tank using the clean-out plug.

8.4 Solution Flow rates

Table detailing solution flow rates for different water settings and brush types.

8.5 Water Pump

Explanation of how the water pump's solution flow is controlled.

9. The Last Error

10. Table of Error Codes

11. Charger

11.1 24V - 22A Charger

Installation and operational description of the 24V-22A battery charger.

11.2 Charger Error Codes

Indicators and reasons for charger error codes shown on the display.

11.3 Trouble Shooting the Charger

Common symptoms and checks for troubleshooting charger issues.

11.4 24V - 14A Charger

Key maintenance checks for the 24V-14A charger unit.

11.5 Programming the Charger

Step-by-step guide to programming the battery charger's charging mode.

11.6 Replacing the Charger Harness

Instructions and precautions for replacing the charger output harness.

12. Batteries

12.1 Maintaining Wet Lead Acid Batteries

Procedures for maintaining wet lead-acid batteries, including water levels and cleaning.

12.2 Load Testing Batteries

How to perform a load test on batteries to check their condition.

12.3 Hydrometer Testing Batteries

Guide to using a hydrometer to test battery specific gravity and charge.

13. Fuse Locations (Version 2 Controller)

13.1 Fuse Locations (Version 3 Controller)

Identification of fuse locations on the version 3 controller board.

14. Controller Connections

15. Trouble Shooting the Controller

16. Contactor Wiring – Harness

17. Contactor Wiring

18. Testing the Main Power Relay

21. Notes

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