MAINTENANCE
Nobles Speed Scrub 500 (09-2020)
27
AFTER WEEKLY USE
1.
Check the electrolyte level in all batteries (Figure
63). See BATTERIES.
NOTE: If machine is equipped with the automatic or
manual battery watering system, See BATTERIES.
FIG. 63
2.
Remove the drip trap cover from the squeegee
assembly and clean reservoir (Figure 64).
FIG. 64
AFTER EVERY 50 HOURS OF USE
1.
Drain solution tank. Remove the solution tank filter
and clean screen (Figure 65). Turn the filter bowl
counter-clockwise to remove.
FIG. 65
2.
Cylindrical brushes - Rotate brushes from front to
rear (Figure 66). Replace brushes when they no
longer clean effectively.
FIG. 66
3.
Cylindrical scrub head - Remove debris buildup
from underside of scrub head, including the idler
plates and drive hubs (Figure 67).
FIG. 67
AFTER EVERY 100 HOURS OF USE
If machine is equipped with the optional battery
watering system, check hoses for leaks, loose hose
connections and for damage or wear (Figure 68).
Replace system if damaged.
FOR SAFETY: When servicing batteries, wear
personal protection equipment as needed. Avoid
contact with battery acid.
FIG. 68