Brush Pressure / Load Adjustment - Numatic TTB-1620/100 Mode D'emploi

Hi - Lo Setting

Brush pressure / Load adjustment

The brush load lever is located to the right hand side of the machine.
This option is for hard to clean patches, adding extra pressure to the brushes.
Fig.20
It is recommended this option is NOT used all the time and is for spot cleaning only.
The run-time of the machine may decrease if the load on the brushes is increased
Setting the Cleaning Controls
The TTB 1620 has been fitted with a Hi - Lo mode, this reduces the
noise produced by the vacuum motor by 3dB.
To operate the Hi - Lo mode start the machine in the normal way.
When the machine is running normally the Hi - Lo light will NOT be
illuminated This means the Vacuum motor is running at 100%.
With the machine running press the Hi - Lo button once the Vacuum
motor will reduce speed to 75% of capacity and the Hi - Lo light will
illuminate Blue.
The brush load indicator on the control display shows the pressure applied, when the
machine is being operated.
(A) Standard Duty
34.5 Lbs Pressure
(fig 22)
A
(B) Heavy Duty
66 lbs Pressure
(fig 21)
NOTE:
20
Fig.21
B