SERVICE MANUAL
ENGLISH
Adfinity™ 17ST / 20ST / X20R / 20D / X20D / X20C / X24D
9096982000
43
BRUSHING SYSTEM
BRUSH MOTOR CARBON BRUSH CHECK/REPLACEMENT (For Adfinity™ 17ST, 20ST)
Check
1. If the tank (21) contains recovery water:
• Drive the machine to the appointed recovery water disposal area.
• Turn off the switches (71) and (73).
• Empty the recovery water tank (21) with the hose (16).
2. Drive the machine on a level floor.
3. Remove the brush/pad-holder.
4. Lower the deck by pressing the pedal (11).
5. Turn off the switches (71) and (73).
6. Grasp the handle (41) and carefully lift the tank (40).
7. Disconnect the battery connector (12).
8. Remove dust and dirt from the motor carbon brush support area (A).
9. Disengage the fasteners (B) and (C and remove four carbon brush supports (A). If necessary, disconnect the electrical
connections (D).
10. Check if the carbon brushes (E) are worn. Replace the carbon brushes when: the contact with the motor armature is
insufficient, the carbon brushes are worn, the carbon brush contact surface is not integral, the thrust spring is broken, etc.
11. If necessary, disconnect the connections (F) and remove the carbon brushes with their supports (A) to replace them.Replace
the carbon brushes as an assembly.
Reset
12. Assemble the components in the reverse order of disassembly, and note the following:
• When connecting the terminals (F), take care of their insulation from the surrounding parts of the frame.
A
A
D
A
D
F C
A
B
E
S301539A
Summary of Contents for Adfinity 17ST
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