Hardi ES 50 Operator's Manual page 17

6. Increase pressure by turning dial 3 (Fig 4) clockwise. Watch the
pressure gauge 4 (Fig. 4) until the desired pressure is reached
(turning dial 3 (Fig 4) counter clockwise decreases pressure).
7. To operate the spraygun, depress the red handle 5 (Fig 4) to spray
water from the spraygun. Check the pressure on gauge 4 (Fig 4)
and follow step 6 to adjust.
8. To adjust the spray pattern, turn the black handle 6 (Fig 4) OUT for
a narrow spray pattern for long distances and IN for a wide pattern
for more coverage at close distances.
9. To stop liquid flow to the spraygun (and optional boom), turn main
ON/OFF handle to position 2 (Fig 4). The entire fluid flow from the
pump will then return to the tank through the by-pass line.
10. To operate optional boom, turn main ON/OFF handle to spraying
position 1 (Fig 4) and open boom valve 7 (Fig 4) to spray water
from the boom. Check the pressure on gauge 4 (Fig 4) and follow
step 6 to adjust.
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HARDI GAS ENGINE ESTATE SPRAYER OPERATOR'S MANUAL
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Fig. 4
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