Graco 202844 Evenflo, Инструкция по эксплуатации

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Troubleshooting
Note: Check all possible solutions before disassem-
bling the control.
Problem Probable Cause Remedy
The Evenflo
R
delivers an insufficient
air to the pump when the spray gun
is open.
The air supply is insufficient. Check the hose for obstructions or
leaks.
Open the master air valve. Remove,
clean and oil the filter screen.
The right-hand regulator is set too
low. Loosen the locknut and turn the reg-
ulator T-handle clockwise to in-
crease pressure.
The right-hand regulator is
inoperative. See manual 308167 for air
regulator service.
The by-pass valve is open too far. Adjust, as explained on page 4.
The left-hand air regulator is set too
low. Loosen the locknut, and turn the
regulator T-handle counterclockwise
to decrease pressure.
The left-hand regulator is
inoperative. See manual 308167 for air
regulator service.
The atomizing air hose is clogged. Clear.
The ball valve is set too lean. Open.
The air hose to the pump is clogged. Clear.
The Evenflo
R
valve is inoperative. Oil the filter screen and service.
Air escapes continuously through
the exhaust port while the gun is
open. The valve seal, seat, stem, or spring
in broken or worn. Replace.
The unloading action is sluggish. The small hole in the piston (19) is
clogged. Service.
The piston or o-ring (9) is seized. Service.
The by-pass valve is turned too far
inward. Adjust.
The air pressure drops excessively
when the gun is triggered. The filter screen is clogged. Remove, clean, and oil the filter
screen.
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The main air pressure is too low. Check air supply.
The by-pass valve is closed too far. Adjust.