Suction Fan Boost Setting; Exiting Sweep Mode - Scarab MERLIN Operating And Basic Maintenance Instructions

6. Operate the Multi-Function Lever to swing the side brushes OUT. The multi-function lever can also be used to control
nozzle-tilt (refer to Page 9 for operating details).
The multi-function switch will automatically return to the central position from the side brush and nozzle control positions.
7. Select a forward gear ratio best suited to the prevailing sweeping conditions and commence sweeping.
Whatever the situation, remember that the rules of traffic and road safety must be observed.

Suction fan boost setting

When required, a boost setting is available for the suction fan. This increases fan speed by approximately 10% and is used when sweeping heavy
material. To operate the fan at the Boost setting, carry out the following procedure:
1. Press the suction fan BOOST switch
2. Adjust engine speed as necessary, by means of the controls
the lowest engine speed to achieve this.

Exiting sweep mode

1. Press the suction fan switch
2. Move the Multi-Function Switch (located on the lower extension of the auxiliary control panel) to the 'Sweep Master Switch OFF
position. All active sweep systems will stop and retract.
If the Multi-Function Switch is not returned to the OFF position at this point, the sweeping equipment will not function upon any
subsequent resumption of Sweep Mode until it has been first moved to the OFF position and then returned to the ON position.
3. Press the System Start/Stop switch
show that Sweep Mode is OFF.
Part No. SCAZ038022 2.4.1
and refer to the LCD monitor to confirm fan speed.
to stop the fan.
. The sweeping equipment symbols displayed on the LCD monitor truck graphic will extinguish, to
Operating Instructions - Unidrive Truckmounted Road Sweeper
on the main panel, until the fan speed is approximately 2200 rpm using
12
ON
SIDE BRUSH SIDE BRUSH
NOZZLE
TILT
OFF
ON
E&OE