MAINTENANCE
Nobles Speed Scrub 300 (03- 2015)
27
AFTER EVERY 50 HOURS OF USE
1. Remove the solution tank filter and clean screen
(Figure 71). Turn the filter bowl counter-clockwise
to remove. Make sure to drain solution tank before
removing filter.
FIG. 71
2. Cylindrical brushes - Rotate brushes from front to
rear (Figure 72). Replace brushes when they no
longer clean effectively.
FIG. 72
3. Cylindrical scrub head - Remove debris buildup
from underside of scrub head (Figure 73).
FIG. 73
4. Inspect and clean the seal on the recovery tank lid
(Figure 74). Replace seal if damaged.
FIG. 74
AFTER EVERY 100 HOURS OF USE
If machine is equipped with the optional battery
watering system, check the watering hoses and
connections for damage and wear (Figure 75). Replace
system if damaged.
FOR SAFETY: When servicing batteries, wear
personal protection equipment as needed. Avoid
contact with battery acid.
FIG. 75
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 brush motor
1250
Summary of Contents for SPEED SCRUB 300
Page 50: ...RECOMMENDED MAINTENANCE ITEMS Nobles Speed ScrubR 300 03 2015 7...
Page 141: ...STANDARD PARTS Nobles Speed ScrubR 300 03 2015 98 LABEL GROUP 355366 1 2 3 4 5 6...
Page 143: ...STANDARD PARTS Nobles Speed ScrubR 300 03 2015 100 LABEL GROUP CONT D 355367 1 2...
Page 162: ...STANDARD PARTS Nobles Speed ScrubR 300 03 2015 119...
