Graco ToughTek F680e, Инструкция по эксплуатации

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Troubleshooting
Problem Problem
Problem
Cause Cause Cause Solution Solution Solution
Hydraulic motor solenoid valve
is closed 1. Verify the pump control switch (AA)
setting.
2. Verify the remote switch position.
3. If the solenoid is not receiving a signal
and remains closed when the pump
control switch is in the ON position,
it can be manually overridden. To
override, push the red button in, turn
counterclockwise 180°, and release.
The solenoid valve will remain open at
all times.
Fluid hose or applicator
obstructed Clean the hose or applicator.
Dried material on displacement
rod or inlet ball Clean rod. Always stop pump at bottom of
stroke; keep wet cup filled with TSL. Be sure
the inlet ball moves freely.
Sprayer does not operate
Hydraulic ball valve is closed Verify that the ball valve is in the open
position.
Material supply exhausted,
clogged suction Refill the hopper and prime pump with
material.
Open or worn piston valve or
packings Clear the piston valve; replace the packings.
Erratic accelerated speed
Open or worn intake valve Clear or service the intake valve.
Cycles or fails to hold
pressure at stall Worn check balls, seats, or
piston packing Service the pump lower.
Inadequate air assist air pressure Adjust the air assist needle valve on the
applicator.
Poor finish or irregular spray
pattern
Dirty, worn, or damaged spray
applicator Service the spray applicator (see Applicator
manual 3A3244).
Pump is packed out with dry or
cured material Disassemble and clean the pump (daily).
Hose is packed out with dry or
cured material Reduce length and/or increase diameter of
the hose.
Motor powered but nothing
comes out of hose
Outlet check valve is installed
backwards Install the outlet check valve in the correct
orientation.
Thin and mix material thoroughly to a lower
viscosity.
Use a pump system priming fluid (slime).
Wet out the system.
Material is too thick to push
through the hose without
packing out Hose is too restrictive
Reduce length and/or increase diameter of
the hose.
3A3110K 45