Scrub System, Disc
83
Service Manual – SCRUBTEC R466 ... FOCUS II Micro Rider
Brush Motor Carbon Brush Check/Replacement
Check
1
Remove the brush/pad-holder deck.
2 Remove dust and dirt from the motor carbon brush support area (A)
3
Disengage the fasteners (B) and (C), then remove the four carbon brush supports (A). If necessary,
disconnect the electrical connections (D)
4 Check the carbon brushes (E) for wear 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 carbon brushes when the stroke residual is less than 0.12 in (3 mm),
◦ The thrust spring is broken, etc.
5
If necessary, disconnect the connections (F) and remove the carbon brushes with their supports (A) and
replace them
6 Replace the carbon brushes as an assembly
Reset
7
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
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