Task Force Tips QuadraCup series Instructions For Installation, Safe Operation And Maintenance - Warning
©Copyright Task Force Tips, Inc. 2002 - 2010
LKF-100 December 8, 2010 Rev15
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4.0 NOZZLE CONTROLS
4.1 BALL VALVE SHUTOFF
Models with a ball valve are shut off when the valve handle is fully forward. Pulling back on the handle opens the valve. Open valve
slowly to avoid sudden changes in nozzle reaction. Close valve slowly to prevent water hammer. Note: In partially open positions a
ball valve will cause turbulence and adversely affect stream quality.
4.2 SELECTOR RING
4.2.1 FLOW SETTING
The selector ring is marked with various flow settings. Turn the selector ring so the desired setting lines up with the silver indicator
pin. A spring-loaded detent is provided at each flow setting. The nozzle will flow the indicated amount when the pressure at the nozzle
is 100 PSI (7 bar) or 75 PSI (5 bar) on low pressure versions.
4.2.2 FLUSH SETTING
Debris may become trapped in the nozzle causing poor stream quality, shortened reach and reduced flow. To remove trapped debris,
the nozzle can be flushed as follows: While still flowing water, rotate the selector ring into the flush position. This will open up the
nozzle, allowing debris to pass through. Rotate the selector ring out of flush to continue normal operations. The nozzle operator must
be prepared for a change in nozzle reaction when returning the nozzle from the flush position to retain control of the nozzle.
WARNING
Large amounts or pieces of debris may be unflushable and can reduce the flow of the nozzle
resulting in an ineffective flow. In the event of a blockage, it may be necessary to retreat to a safe
area, uncouple nozzle and remove debris.
4.2.3 SHUTOFF SETTING (TIP-ONLY MODELS)
On tip-only models the selector ring has a shutoff setting to stop the nozzle flow. To shut off the nozzle, rotate the selector ring
clockwise (as seen from the operating position behind the nozzle) into the “OFF” position. Rotate counterclockwise into a flow setting
to open nozzle.
4.3 PATTERN CONTROL
The Thunderfog, Quadrafog and QuadraCup nozzles have full pattern control from straight stream to wide fog. Turning the SHAPER
clockwise (as seen from the operating position behind the nozzle) moves the SHAPER to the straight stream position. Turning the
SHAPER counterclockwise will result in an increasingly wider pattern. Since the stream trim point varies with the flow, the stream
should be ‘trimmed’ after changing the flow to obtain the straightest and furthest reaching stream. The nozzle reaction is greatest
when the shaper is in the straight-stream position. The nozzle operator must be prepared for a change in reaction as the pattern is
changed.
4.4 QUADRACUP NOZZLES
The QuadraCup nozzle is capable of producing aspirated foam as well as a conventional straight stream and wide protective fog
pattern. The QuadraCup functions just like the QuadraFog nozzle when the gray sleeve is in the retracted position as in figure 1E.
To use the aspirating feature of the QuadraCup, the nozzle operator need only slide the gray sleeve portion of the nozzle forward as
in figure 1F. Rotation of the shaper when the sleeve is extended will provide the nozzle operator control of reach and aspiration. If an
immediate wide protective fog pattern is needed, the sleeve can be retracted instantly to its regular position.