Teejet TASC-6500 Bedienungsanleitung PDF herunterladen (Seite 28)

3-4

98-05019

Rev- 1

CE & S

TANDARD VERSION

TASC 6200/6500

3.6 MANUAL OVERRIDE OF CONTROL VALVE

Sometimes it is necessary to manually override the control valves. This feature is useful for stationary unloading

of the vehicle or for priming of the liquid pump when first starting the machine. TASC allows the control valves

on flow channels to be overridden easily.

3.6.1 OVERRIDE CHANNEL C CONTROL

Select the CARRIER-Appl. Rate position with the Display Selector switch while in the SET-UP mode with all

booms OFF. Set the C Product Switch to the center ON position. Use the DEC switch to zero the channel C

application rate. Switch the mode selector to OPERATE. The display shows "Flow Contl OFF Auto". Channel

C flow control valve now responds to toggling of the INC/DEC switch. INC opens the valve and DEC closes the

valve. The switch must be held for a few seconds for the valve to open or close all the way. NOTE: The Display

Selector must remain in the CARRIER-APPL. RATE position.

When the booms are turned on and there is some ground speed, the actual application rate of the C channel will

be displayed.

Re-entering an application rate for channel C causes the TASC to resume normal operation.

3.6.2 OVERRIDE CHANNEL L, 1, 2, & 3

(Channels 1, 2, and 3 "Flow Mode" only)

While in the SET-UP mode, select the L & CHEMICALS, Appl. Rate position on the display selector switch.

Turn the product switch, for the desired channel, to the center ON position. Use the DEC switch to zero the

channel application rate. Switch the mode selector to OPERATE. The display shows "Flow Contl OFF Auto".

The control valve, for the chosen channel, now responds to toggling of the INC/DEC switch. INC opens the

valve and DEC closes the valve. The switch must be held for a few seconds for the valve to open or close all the

way.

To view the actual application rate of the L channel while in the manual override mode, the booms must be on

and there must be some ground speed.

Re-entering an application rate for the channel causes the TASC to resume normal operation.

3.7 SETTING TEST SPEED

The TASC console provides a simulated speed signal which can be used for stationary testing (see calibration

procedures - sect. 2.11, 12, 13) or in emergencies when the vehicle speed sensor fails (see Emergency Opera-

tions - sect. 6.1).

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Teejet TASC-6500 Bedienungsanleitung Seite 28