6-6
Rosco Maximizer 2B Asphalt Distributor
Operation
3-Way Valve
The 3-Way Valve has three positions depending on the
mode selected The positions can be determined by
looking at the corner welds on the socket between the 3
way valve and the valve actuators (
)
Position 1:
Shown in
Off
Spray
Reverse Suction
Clean-out
Position 2:
The top actuator will move and the socket
will move to the shown position Used in three
modes:
Bar Circulate
Transfer
Unload
Position 3:
To achieve this position the top actuator
and bottom actuator move.. Used in two modes:
Load
Tank Circulate
3 Continue to set the Mode of Operation through each
setting and verify that each valve moves into position
(see
Valve Status During Operational Modes
in
Section 6)
Automatic Valve System
A functional check of the automatic valve system will
verify that the air actuators and cylinders are operating
properly Review the plumbing circuit and familiarize
yourself with the valve locations
1 Set the engine speed at 1500 RPM to provide
adequate power to the air system
2 Push Mode Selection Button 1 - Spray Bar Circulate
) Have a person at the back of the
Maximizer verify that the circuit valves move into
position
Tank Valve
The Tank Valve has two positions, open or closed
Refer to Modes Of Operation, later in this section for
further diagrams
2-Way Valve
The 2-Way Valve also has two positions, open or closed
You can tell which position is being used by the position
of the directional stem flats on top of the valve actuator.
REAR OF
UNIT
1
2-Way Valve Actuator Positions
Figure 6-2
1 - Closed Position (Shown)
2 - Open Position (Half turn from shown)
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Summary of Contents for Maximizer 2B
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