6
Rosco Maximizer 2B Asphalt Distributor
6-35
Operation
Load Line and Transfer Line
Figure 6-24
If the handspray wand was used, open
the Handspray Valve (Figure 6-24) on the pump
and leave it open for 30 to 60 seconds . Close the
Handspray Valve, stow the wand and hose . It may be
necessary to draw some clean-out material into the
hand spray hose to remove oil in the hose and spray
nozzle .
Beware of hot material in lines . Always
wear protective clothing, gloves and a face shield .
Contact with hot asphalt can cause severe burns .
DO NOT SMOKE around the machine.
Fuel, asphalt material and the fumes from both
can explode when exposed to flame or heat from
smoking or other sources .
11 Turn the Plus One Controller Spraybar Master
switch OFF and without turning off the pump or
switching the pump to the forward position, set the
Mode Selection to Clean-out
If you switch the rotation of the pump
or shut it off before you change the Mode Selection
switch, material removed from the spraybar with
suction will gravity-feed back into the spraybar .
Reverse Suction Mode
When spraying is complete, and before starting the
clean-out process, use the following instructions to
remove asphalt from the spraybar and plumbing circuit
Review these instructions and follow them to insure the
safety of the operator and to maintain a safe working
environment
If the operator fails to perform this
function at the end of the day, the asphalt will set up
over night and the Maximizer 2B will be unable to
spray for the next job .
1 Turn the Plus One Controller Master switch ON to
)
2 Set the Plus One Controller Auto/Manual selection
to MANUAL
3 Turn the Controller Spraybar Master switch to the
OFF position
4 Position the Spraybar so that it is parallel to the
ground
5 Select REVERSE SUCTION MODE
6 Set the Controller Pump Priority Control to FRONT
7 Turn all of the Plus One Controller individual
spraybar switches OFF
8 Turn the Controller Spraybar Master switch to the
ON position
9 Run the Manual Pump Speed control in REVERSE
at 100 to 125 GPM (378 5 - 473 1 LPM)
10 Using the Plus One Controller individual spraybar
switches, turn on the one-foot section farthest from
the spraybar feed lines (right or left) for 2 seconds
and then turn off Do the same for the adjoining
one-foot section and then the next, always working
toward the spraybar feed lines
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