Quick Reference Guide - AIRLESSCO LP460 Service & Operation Manual

LP Series Electric Paint Sprayer

Quick Reference Guide

OPERATION
Prime Pressure Relief Valve
(Prime-PR Valve)
Used to relieve pressure from gun, hose
& tip and to prime the unit when in OPEN
position. (It is in open position when there
is a wider gap between handle and body).
When in the CLOSED position, there is
only a very slight gap between handle
& body. When the relief valve is closed
the system is pressurized. Handle as a
loaded firearm!
Œ
STEP
1A. Read safety rules! Read & understand all
warnings & safety rules before operating
equipment. Know how to lock the gun trigger
safety lock before operating the equipment.
1B. Stir paint and if necessary strain paint using
a paint strainer bag to remove lumps.

STEP
2A. Check gun/hose connections to make sure
they are tight.
2B. Lock gun trigger safety lock
(Airlessco gun shown)
Note: Plug into 3 pronged grounded electri-
cal outlet. Extension cord must be 3 wire, 12
gauge. Do not coil cord.
Ž
STEP
3A. Put pump suction tube into bucket of paint.
3B. Turn the Prime-Pressure Relief Valve to
open position (wide gap between handle &
body).
Turn toggle switch ON, and adjust to low
pressure on the pressure control knob. The
unit will now self-prime.

STEP
4A. Wait about one minute until fluid comes out
of the return tube (smaller diameter tube).
4B. Turn the Prime-Pressure Relief Valve to
closed position. (slight gap between handle
and body)
CAUTION: THE UNIT IS NOW
PRESSURIZED!

STEP
Note: Leave the Prime-Pressure Relief Valve
fully closed and very carefully unlock the guns
trigger safety lock.
5A. Aim the gun 12" from test surface card-
board) and spray out the storage solution.
Turn thepressure control knob clockwise to
increase pressure. Increase the pressure
enough to atomize the paint & give a full
pattern. Use the lowest pressure possible.
5B. Always keep the gun perpendicular to
the surface. Move the gun at a steady rate.
It is important to "trigger" the gun after gun
movement has begun and release trigger
before gun movement ends.
5C. Overlap half the width of each paint stroke.
‘
STEP
6A. Release pressure when you stop spraying
& before servicing gun or machine or before
changing or cleaning gun tip by:
1. Lock the gun trigger safety.
2. Turn toggle switch to OFF position and
unplug from electrical outlet.
3. Release gun safety lock and trigger
gun to relieve residual pressure.
4. Turn Prime/PR Valve to open position.
5. Relock gun safety latch.
6B. Submerge gun in water (if using latex)
or thinner (oil-base) to prevent paint from
drying in the gun nozzle.
CLEANING
Pressure Control Knob
Used to adjust pressure only.
DOES NOT relieve pressure
from gun and system!
Turn clockwise to increase
pressure, counterclockwise
to decrease pressure.
1. Soft bristle brush, clean-up rags.
2. 8" crescent wrench for removing
3. Prepared 5 gal. bucket of soapy
ON/OFF Toggle Switch
Turns the unit ON and OFF.
1A. IMPORTANT: Relieve pressure
1B. Remove tip and tip guard from spray
Note: Turn unit ON. Turn pressure control
knob to low pressure.
2A. Lift suction tube and return tube out of
2B. Wipe excess paint from suction tube.
2C. Place suction tube into prepared bucket
Note: Release the gun trigger lock very
3A. Turn the Prime/PR Valve to the closed
3B. Trigger gun into paint bucket to allow
3C. Place gun over empty metal bucket
4A. IMPORTANT: Follow Pressure Relief
4B. Remove filters from suction tube and
5A. Mix bottle of Pump Conditioner with 1
5B. Disconnect from power.
5C. Roll up hose and tape. Now reassemble
•
Always use low pressure in the cleaning process.
•
Always remove spray tip before cleaning–AFTER
following the Pressure Relief Procedure!
•
Use a metal bucket for cleaning and maintain firm
metal to metal contact of gun to the bucket.
TOOLS & EQUIPMENT NEEDED:
gun tip & filter in gun handle.
water if using latex, or mineral
spirits if using oil-based. (Second
bucket will usually be required).
Œ
STEP
by following the Pressure Relief
Procedure, Step 6 of Operation, and
be sure gun safety lock (latch) is in
locked position.
gun and place in mineral spirits or water.

STEP
paint and hold over paint bucket. Any
paint remaining in the unit will return into
the bucket out through the return tube.
of water or mineral spirits.
Ž
STEP
carefully.
position. Adjust the pressure control
knob for minimum pressure.
IMPORTANT: Never use high
pressure for cleaning!
paint to run out of hose and gun.
and trigger gun using VERY LOW
PRESSURE & maintaining firm metal
to metal contact for 3-4 minutes until
it runs clean. (Second bucket may be
required).

STEP
Procedure Step 6A of Operation!
gun handle. Clean with water or mineral
spirits and soft brush and reassemble
suction and gun filter only. DO NOT
reassemble gun tip and tip guard at this
point.

STEP
gal. of water or prepared mineral spirits
and put suction tube into pail. Prime
unit (Prime/PR Valve Open Position &
Pressure Control Knob in low position)
Trigger gun to fill the hose & gun.
LEAVE this mixture in the pump & hose
for storage. DO NOT DISCHARGE. Turn
motor off while the suction tube remains
in the bucket.
gun with spray tip and tip guard. After
you have disconnected sprayer from
electrical power, turn Prime/PR Valve to
the closed position for storage.
4. Empty bucket for wastes.
5. Storage solution of Pump Conditioner
mixed with 1 gal. of water if using latex
OR compatible paint thinner if using
oil-based paint.
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