6-16
Rosco Maximizer 2B Asphalt Distributor
Operation
Table 6-4. Valve Status During Operational Modes
OPERATIONAL MODE
TANK VALVE
2-WAY VALVE
3-WAY TOP
3-WAY
BOTTOM
PUMP
DIRECTION
Off
0
0
0
0
Fwd or Rev
Clean-out
0
0
0
0
Fwd or Rev
Reverse Suction
1
1
0
0
Reverse
Hand Spray / Unload
1
0
1
0
Forward
Transfer
0
0
1
0
Forward
Load
0
0
1
1
Forward
Tank Circulate
1
0
1
1
Forward
Spray / Bar Circulate (OFF)
1
1
0
0
Forward
Spray / Bar Circulate
(Bar Circulate)
1
1
1
0
Forward
Spray / Bar Circulate
(Spray)
1
1
0
0
Forward
0 - Solenoid OFF 1 - Solenoid ENERGIZED
Mode Selection Screen
Figure 6-9
The eight modes of operation available through the
Mode Selection Screen are (see
Modes Of Operation
in Section 6):
SPRAYBAR CIRCULATE (Button 1 of the Mode
Selection Screen)
This mode circulates the hot asphalt through
the spraybar It is used to heat the spraybar and
nozzles in preparation for spraying
All other functions such as Clean-
out, REVERSE SUCTION, HANDSPRAY/UNLOAD,
TRANSFER, LOAD, and TANK CIRCULATE must be
performed in the MANUAL mode of operation.
Mode Selection Screen
The Mode Selection Screen displays the current mode
of operation selected and a graphical display showing
the status of the four main asphalt tank valves, (
)
•
Tank Valve position
•
2Way Valve position
•
3Way Top Valve position
•
3Way Bottom Valve position
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