Minuteman E20S Manuale utente
All E17BD, E17TD, E20S, E20BD, E20TD,
E20C, H20BD, H20TD E26ECOS and
E26ECO Automatic Scrubbers
Service Manual
For:
Training
Troubleshooting
Adjustments
Revised 02/10/2019
Contents
1 Safety Page 5
2 Technical Specifications Page 6
2.1 Dimensions E17BD & E20BD Page 7
2.2 Dimensions E17TD & E20TD Page 8
3 Maintenance Intervals Page 9
3.1 Customer Maintenance Page 10
3.2 Maintenance I after every 125 hours of operation Page 11
3.3 Maintenance II after every 250 hours of operation Page 12
3.4 Maintenance S after every 500 hours of operation Page 13
4 Batteries and Wiring Page 14
5 Recovery Float and Gasket Page 15
6 Lubrication Page 16
7 Charge Indicator Version 1 Page 17
8 On Board Chargers (957760 and 957761) (Ver. 1 & 2) Page 18
8.1 Programming the 957745 Charger Page 19
8.2 Charger Settings (957745) Page 20
8.3 Battery Charger Trouble Shooting Page 21
8.4 Battery Charger Error Codes 957745 (Ver. 1) Page 25
8.5 Programming The 957760 & 957761 Charger (Ver. 2) Page 26
8.6 Charger Error Codes 957760 & 957761 Page 27
Contents
8.7 Prime Chargers Page 29
8.8 Prime Charging Status Indicator Page 30
8.9 Prime Charger Fault Codes Page 31
9 Battery and Error Code Indicator Page 32
9.1 E17TD and E20TD Error Codes Page 33
10 Trouble Brush Motor Controller (Sport only) Page 38
11 Squeegee Adjustment (Curved) Page 39
11.1 Squeegee Adjustment Page 40
11.2 Squeegee Caster Adjustment Page 41
11.3 Squeegee Caster Adjustment Page 42
11.4 Squeegee Caster Adjustment Page 43
12 Maintaining Deep Cycle Wet Batteries Page 44
13 Load Testing The Batteries Page 46
14 Hydrometer Testing Page 47
15 Transporting the Machine Page 50
16 Key Switch Page 51
17 Solution Filter (new and old) Page 52
18 Testing the Main Power Relay Page 54
19. Trouble Shooting the Drive Circuit Page 59
19.1 Trouble Shooting The Traction Drive Switch Page 60
19.2 Trouble Shooting – Vacuum Motor Circuit Page 61
19.3 Trouble Shooting – Vacuum Relay Page 62
19.4 Testing the Drive System Potentiometer Page 63
20 Notes Page 64
Contents
1. Stop the machine only on level surfaces.
2. Avoid moving parts. Do not wear loose jackets, shirts, or
sleeves when working on machine.
3. Avoid contact with battery acid. Battery acid can cause
burns. When working on or around batteries, wear protective
clothing and safety glasses. Remove metal jewelry. Do not
lay tools or metal objects on top of the batteries.
4. Do not clean machine with a pressure washer.
5. Only authorized personnel should perform repairs and
maintenance.
6. Use only Minuteman genuine replacement parts.
8. Do not use machine around flammable substances.
9. The batteries should be charged only in well ventilated areas.
10.Always disconnect the battery pack from the machine and the
A.C cord the from outlet, when servicing the machine.
1. Safety
Page 5
2. Technical Specifications
E17BD, E20
Page 6
2.1 Dimensions E17BD & E20 BD
With a Straight Squeegee
Page 7
2.2 Dimensions (E17 & E20)
With Curved Squeegee
Page 8
3. Maintenance Intervals
•Maintenance Intervals:
In a modular structure, the Minuteman System Maintenance determines the specific
technical proceedures to be preformed and sets the time interval between the two
maintenance cycles.
For each of the maintenance cycle, the replaceable parts are determined as well.
Further details described in the specific chapters.
•Minuteman System Maintenance K:
To be performed by the customer (in daily or weekly intervals) according to the maintenance
and care instructions as specified in the operating instructions.
The operator must be professionally instructed after delivery of the machine by selling
dealer.
•Minuteman System Maintenance I: (after every 125 hours of operation)
To be preformed an authorized Minuteman Service Center in accordance with the machine-
specific system maintenance.
•Minuteman System Maintenance II: (after every 250 hours of operation)
To be preformed an authorized Minuteman Service Center in accordance with the machine-
specific system maintenance.
•Minuteman System Maintenance S: (after every 500 hours of operation, safety check) To
be performed by an authorized Minuteman Service Center in accordance with the machine-
specific system maintenance.
Page 9
3.1 Minuteman System Maintenance K
Page 10
To be performed by the customer/user Interval
Daily Weekly
Fill the clean water tank and mix the proper amount and type of cleaning solution. O
Charger the batteries. O
Check the brush head, Clean if needed with a damp cloth. Do not get water inside
the motor. O
Check the squeegee, clean if needed O
Check the lid gasket on the recovery tank. O
Empty and flush the recovery tank with clean water. O
Clean the filter/float inside the recovery tank. O
Check the water levels of all the batteries. Add distilled water, if needed. Do not
over fill. O
Check the pads and brushes for wear. Replace if needed. O
Check the squeegee hose for clogs, damage and wear. Replace if needed O
Check the squeegee rubbers for cuts and wear. Flip the blade(s) over or replace. O
Check the solution filter. Clean if needed. O
Flush the clean water solution tank with warm water. O
Test all the functions of the machine. O
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