Minuteman ER26 Service Manual page 37

8. Replacing the Brush Actuator on the SCV 28 or 32
All Versions Of SCV2832E and SC280000 With the 742712-2 Actuator only.
16. Slide the brush deck into position, install the four mounting bolts and tighten. Connect the brush motor 16. Slide the brush deck into position, install the four mounting bolts and tighten. Connect the brush motor
connector and solution quick connector. connector and solution quick connector.
17. Locate the black rubber removable plug on the right side of the actuator and remove. 17. Locate the black rubber removable plug on the right side of the actuator and remove.
18. For models with cylindrical decks only. Remove the plastic side deck cover on the operators left side. 18. For models with cylindrical decks only. Remove the plastic side deck cover on the operators left side.
This is a gray plastic piece screwed to the side of the solution tank above the deck area. This is a gray plastic piece screwed to the side of the solution tank above the deck area.
19. Use the brush pressure up button to raise it up a little at a time. The clearance between the top belt cover 19. Use the brush pressure up button to raise it up a little at a time. The clearance between the top belt cover
and the under side of the tank should between 1/4 to 3/8 inch, when the deck stops rising up. and the under side of the tank should between 1/4 to 3/8 inch, when the deck stops rising up.
allow it to rise any higher or it might over load the actuator. If it continues to rise higher, adjustment will allow it to rise any higher or it might over load the actuator. If it continues to rise higher, adjustment will
be required. be required.
20. For Disk machines only, the actuator should be set so that you can slide the brushes under the deck and 20. For Disk machines only, the actuator should be set so that you can slide the brushes under the deck and
not bottom out under the machine. not bottom out under the machine.
21. Adjust the actuator adjustment screw to change setting see drawing. Turn the screw no more than 1/8 of a 21. Adjust the actuator adjustment screw to change setting see drawing. Turn the screw no more than 1/8 of a
turn at a time. The adjustment screw closest to the shaft controls how high it rises. The screw furthest turn at a time. The adjustment screw closest to the shaft controls how high it rises. The screw furthest
from movable controls maximum down pressure. Look at the rubber plug to determine which way to turn from movable controls maximum down pressure. Look at the rubber plug to determine which way to turn
the screw. the screw.
22. Lower the brush deck and return it back up for the new settings to change. 22. Lower the brush deck and return it back up for the new settings to change.
23. Adjust the down setting so that the actuator cannot lift the drive motor off the floor. Set it so it only lifts 23. Adjust the down setting so that the actuator cannot lift the drive motor off the floor. Set it so it only lifts
some pressure off the drive wheel. some pressure off the drive wheel.
24. Once the correct setting is made replace the rubber plug into the side of the actuator motor. 24. Once the correct setting is made replace the rubber plug into the side of the actuator motor.
25. Replace side plastic cover. 25. Replace side plastic cover.
26. Turn the key switch off and back on. 26. Turn the key switch off and back on.
27. Test the machine. 27. Test the machine.
Do not Do not
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