OPERATION
Nobles
Tuff Scrub
3300 (06–0
13
BATTERY METER
The battery meter displays charge level. The indicator
light will move from right to left as the batteries
discharge. When the left side indicator light begins to
flash, discharge level is approaching time to recharge.
When two indicator lights flash alternately, stop
scrubbing and recharge batteries immediately
(Fig. 24).
Figure 24
MACHINE CIRCUIT BREAKERS
The machine is equipped with five resettable circuit
breakers to protect machine from damage. If a circuit
breaker should trip during operation, determine cause,
allow motor to cool and then manually reset breaker.
When replacing breakers, never substitute a higher
breaker than specified. Circuit breaker panel is located
below control console (Fig. 25).
– 10A Main Circuit Breaker
– 60A Drive Motor Circuit Breaker
– 30A Vacuum Motor Circuit Breaker
– 30A Brush Motor Circuit Breaker (2)
Figure 25
HOUR METER
The hour meter records number of scrubbing hours the
machine has performed. Use hour meter to determine
when to perform recommended maintenance procedures
and to record service history (Fig. 26).
Figure 26
DRAINING TANKS
When finished scrubbing, the recovery and solution
tanks should be drained and cleaned.
DRAINING RECOVERY TANK
Drain recovery tank:
–
When solution tank is refilled.
–
After each use.
–
When squeegee starts trailing water.
–
When float shut-off screen, located inside
recovery tank, is activated.
1.
Drive machine to floor drain.
2.
Turn key to the off position and set parking brake.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, set parking brake,
turn off machine and remove key.
3.
Remove drain hose from hose hook. Turn drain
hose knob counter-clockwise and pull plug out
while holding hose up. Then slowly lower hose to
floor drain (Fig. 27).
Figure 27
4.
Remove recovery tank lid and flush tank out with
clean water.
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