DOD SR400D Dokumentacja Pobierz pdf (Strona 170)

162

 22. The air low-pressure cut-off switch is located inside

the coupling guard and is mounted on the rear of the

pressure gauge. If necessary, this switch can be

adjusted in the field by removing the rubber plug

from the tip of the switch and then using a 7/32”

Allen wrench, turn the adjustment screw in about ½

turn increments. Turning clockwise increases the air

pressure cut-off point. Turning counter-clockwise

decreases the air pressure cut-off point.

SETTING THE FLOW RATE

 23. With the engine running, open the cover of the flow

control box.

 24. Loosen the pump pointer locking plate by loosening

the two round knurled knobs, one on each side of

the locking plate. Loosen only enough to move the

pointer. The pointer should be moved against a

slight pressure.

 25. Turn the black knob on the side of the pump to

increase or decrease the flow setting. The flow

scale is an arbitrary scale and is marked from 0-10

(zero to ten), which represents 0-100% of flow rate.

 26. Set the flow rate by following the instructions in the

CALIBRATION section on page 19 of the instruction

manual. The correct flow rate, along with correct

nozzle pressure, is one of the main criteria for good

particle size. Always retighten the knurled knobs

before checking the flow rate, as a loose pointer will

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DOD SR400D Dokumentacja Strona 170