SS300 Service Information (3-2017)
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MAINTENANCE
ELECTRIC MOTORS
Replace motor carbon brushes as indicated. Contact-
trained personnel for carbon brush replacement.
Carbon Brush Replacement
Hours
Vacuum motor
750
Propel motor (drive model)
1250
Disk brush motor
1250
Cylindrical brush motor
1250
Orbital brsuh motor
1250
BELTS
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off machine,
remove key and set parking brake if equipped.
Replace belts every 1250 hours. Contact trained per-
sonnel for belt replacement (Fig. 105).
Cylindrical Brush Drive Belt
Fig. 105
ORBITAL SCRUB HEAD ISOLATORS (LOWER)
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off machine,
remove key and set parking brake if equipped.
Replace the four lower vibration isolators every
500 hours. The lower isolators (hidden) are located
between the deck plate the driver plate. See
REPLACING ORBITAL HEAD, LOWER ISOLATORS
in the SERVICE section of this manual.
Fig. 106
