TUBE ASSEM. 7V3457 - Caterpillar

Illustration 1 g02410060
(1) Tamper bar speed (2) Tamper bar ramp time (3) Power crown control (4) Monitoring system (5) Spray down (6) Spray down indicator (7) Counterbalance system pressure adjustment in standby mode (8) Counterbalance system pressure adjustment in paving mode (9) Auger raise/lower control (10) Vibration frequencyTamper Bar Speed (1)
Tamper bar speed - Knob (1) controls the speed of the tamper bar while the machine is working in AUTOMATIC mode or MANUAL mode. Turn knob (1) counterclockwise in order to decrease the speed of the tamper bar. Turn knob (1) clockwise in order to increase the speed of the tamper bar. Tamper Bar Ramp Time (2)
In order to avoid improper adjustments, the knob for the tamper bar ramp time control is intentionally left off the control panel.
Tamper bar ramp time - Use control (2) to adjust the ramp time for the tamper bar. The tamper bar ramp time is used in order to prevent the screed from leaving a mark on the mat when you increase the speed of the machine. When the knob is turned counterclockwise, the tamper bar ramp time is set to zero. If the tamper bar ramp time is set at zero, the tamper bar will start at the speed that is set by knob (1). When you turn control (2) clockwise, the ramp function is enabled. Turn control (2) clockwise in order to increase the amount of time for the tamper bar to ramp up to the set speed. Power Crown Control (3)
Power crown control - Press and hold switch (3) upward in order to increase the crown. Press and hold switch (3) downward in order to decrease the crown. Note: When you release switch (3), the switch will return to the center position. The crown will remain in the last selected position.Monitoring System (4)
Refer to Operation and Maintenance Manual, "Monitoring System" for a detailed description of the operator display screen.Spray Down (5)
Spray down - Move switch (5) to the left in order to activate the spray down for the machine. Move the switch (5) to the right in order to deactivate the spray down for the machine. Spray Down Indicator (6)
The spray down indicator will illuminate when the spray down system is activated.Counterbalance System Pressure Adjustment (7) (8)
Counterbalance system pressure adjustment - The screed counterbalance system applies an upward force on the screed in order to reduce the effective weight of the screed. There are two different controls for the counterbalance system. Use the appropriate control when you adjust the operating pressure.
Standby mode - Use knob (7) when the