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IMPACT 640
3
OPERATION
This equipment produces a fluid stream at
extremely high pressure. Read and understand
the warnings in the Safety Precautions section
at the front of this manual before operating this
equipment.
3.1
USING THE GUN TRIGGER LOCK
Always engage the gun's trigger lock when the gun is not in use.
1.
To lock the trigger, push in the trigger lock from left to right,
when looking at the rear of the gun.
2.
To unlock the trigger, push the trigger lock from right to left,
when looking at the rear of the gun.
1
GUN LOCKED
(GUN WILL NOT SPRAY)
3.2
PRESSURE RELIEF PROCEDURE
Be sure to follow the Pressure Relief Procedure
when shutting down the sprayer for any purpose,
including servicing or adjusting any part of the
spray system, changing or cleaning spray tips, or
preparing for cleanup.
1.
Lock the gun by pushing the gun trigger lock to the locked
position.
2.
Turn off the sprayer by moving the ON/OFF switch to the OFF
position.
3.
Turn the pressure control knob counterclockwise to its OFF
position in the black zone.
4.
Unlock the gun by pushing the gun trigger lock to the unlocked
position.
5.
Hold the metal part of the gun firmly
to the side of a metal container to
ground the gun and avoid a build up
of static electricity.
6.
Trigger the gun to remove any
pressure that may still be in the hose.
7.
Lock the gun by pushing the gun
trigger lock to the locked position.
8.
Move the PRIME/SPRAY valve down
to the PRIME position.
2
GUN UNLOCKED
(GUN WILL SPRAY)
3.3
SETUP
Perform the following procedure before plugging in the power cord
of an electric unit.
1.
Ensure that the siphon tube and the return hose are attached and
secure.
2.
Using a wrench, attach a minimum of 50' of 1/4" airless spray
hose to the outlet fitting on the sprayer. Tighten securely.
3.
Attach an airless spray gun to the spray hose. Using two wrenches
(one on the gun and one on the hose), tighten securely.
Do not attach the tip to the spray gun yet. Remove
i
the tip if it is already attached.
Make sure all airless hoses and spray guns are
electrically grounded and rated at or above the
maximum operating pressure range of the airless
sprayer.
4.
Make sure the pressure control knob is in its OFF position in the
black zone.
5.
Make sure the ON/OFF switch is in its OFF position.
6.
Remove the fill cap with a straight-slot screwdriver, or a coin. Fill
the oil reservoir with one ounce of piston seal lubricant (Piston
Lube). Replace oiler cap.
7.
Press oiler button 2-5 times to prime the oiler. Press once for
every eight hours of usage to lubricate the fluid section.
Never operate unit for more than ten seconds
without fluid. Operating this unit without fluid will
cause unnecessary wear to the packings.
Attention
8.
Fully depress the pusher stem to make sure the inlet ball is
free.
9.
Make sure the electrical service is 120V, 15 amp minimum.
10.
Plug the power cord into a properly grounded outlet at least 25'
from the spray area.
Always use a minimum 12 gauge, three-wire
extension cord with a grounded plug. Never remove
the third prong or use an adapter.
Attention
After turning pump off, allow 30 seconds for the
power to completely drain from capacitors.
OPERATION
7
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