Flushing Debris - Task Force Tips Masterstream 4000 ER Automatic Instructions For Safe Operation And Maintenance

Nozzles

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7.0

FLUSHING DEBRIS

Debris in the water may get caught inside the nozzle. This trapped material will cause poor stream quality, shortened reach and reduced

flow. To remove debris trapped in the nozzle:

1. Shut off flow to the nozzle

2. Move the stream shaper to the wide fog position

3. Carefully unscrew and remove the baffle and orifice control components

4. Remove/flush debris

5. Reassemble the nozzle

Figure 7.0 shows the pieces that are removed during the flush procedure for automatic and selectable nozzles.

WARNING

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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 the nozzle and remove debris.

Selectable Nozzle

Baffle and

Orifice

Control

Components

Automatic Nozzle

Figure 7.0

LIM-032 November 30, 2020 Rev01

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