©Copyright Task Force Tips LLC 2021
22
LIX-575 June 24, 2021 Rev00
8.6 PNEUMATIC CALIBRATION
1. Raise the waterway by pressing the built in switch on the
upper valve (A).
2. Measure the amount of time it takes the waterway to reach
the fully extended position.
3. If the duration is not about 5 seconds, adjust the timing.
A. Loosen the Jam Nut on the upper flow control (B) to
adjust the timing.
B. Turn flow control knob clockwise for longer duration or
counter-clockwise for shorter duration.
C. After adjusting, tighten the jam nut until snug.
4. Lower the device by pressing the built in switch on the
lower valve (C).
5. Measure the amount of time it takes the waterway to reach
the fully retracted position.
6. If the duration is not about 10 seconds, adjust the timing.
A. Loosen the Jam Nut on the lower flow control (D) to
adjust the timing.
B. Turn flow control knob clockwise for longer duration or
counter-clockwise for shorter duration.
C. After adjusting, tighten the jam nut until snug.
8.6.1 TESTING THE INSTALLATION
To ensure proper operation of the controls and related safety devices, after complete installation, perform the following actions in order.
NOTICE
D
Damage to equipment may occur when operated with low clearance. Always ensure there is
adequate clearance before attempting to raise the waterway.
Begin with the valve in the CLOSED position and the telescoping waterway fully RETRACTED. The system must be
powered up with the two-position switch on the pump panel in the DOWN position.
ACTION
EXPECTED RESULT
1. Verify INDICATOR LIGHT in the cab
Powered OFF (dark)
2. Open the VALVE using the manual hand wheel
VALVE will not open
3. Raise the WATERWAY using the TWO-POSITION SWITCH
WATERWAY fully raised in 5 seconds
4. Verify INDICATOR LIGHT in the cab
Powered ON (illuminated)
5. Open the VALVE using the manual hand wheel
VALVE opens smoothly
6. Retract the WATERWAY using the TWO-POSITION SWITCH
WATERWAY will not move
7. Close the VALVE using the manual hand wheel
VALVE closes smoothly
8. Retract the WATERWAY using the TWO-POSITION SWITCH
WATERWAY fully retracted in 10 seconds
9. Verify INDICATOR LIGHT in the cab
Powered OFF (dark)
10. Move the VALVE position
VALVE moves slightly until the lock is engaged
If an unexpected result occurs, do not use the Extend-A-Gun VP. Verify proper wiring
and/or contact TFT Customer Service for assistance.
A
B
C
D
Figure 8.6
