To
reduce the risk of serious bodily injury, including
fluid injecfon, always follow the Pressure Relief
Procedure Warning on page 13 before checking,
adjusting, cleaning or shutting down the sprayer.
When
To
Flush
CAUTION
chance it could freeze. Push the water
out
with
min-
NEVER
leave water
in
the sprayer If there is the any
era1 spirits. Water frozen
in
the pressure control tube
prevents the sprayer from being started, and
causes serious damage to the pressure control.
1. New Sprayer.This sprayerwasfactorytested
in
light-
'
5,
Storage..
weight oi1,which was tell in to protect
the
pump parts. Wafer base paint: flush with water, then mineral spirits
Before using wafer-base paint, flush with mineral spir-
and leave the pump, hose and gun filled with mineral
soirit. Relieve oressure.
its, then soapy water, and then clean water.
Before
using
oil-basepainr, flush with mineral spirits.
Oil
base paint: flush with mineral spirits and leave the
pump, hose and gun filled with mineral spirit. Relieve
2. Changing Colors. Flush with a compatible solvent
pressure.
such as mineral spirits or water.
6.
Startup after storage.
__
..".
~~~~
r~-
~~~~~
3.
Changlngtromwater-basetooil-basepalnt.
Flush
with warm, soapy water, and then mineral spirits.
Before using wafer-base paint, flush
out
the mineral
snirits with soaov water. and then with clean water.
4.
Changlng from oil-base
to
water-base palnt. Flush
-8
~~~~
~I
I
with mineral spirits, then warm, soapy water, and then
When usingoil-basedpainf, flush
out
the mineral spir-
clean water.
its with the paint to be sprayed.
How
To
Flush
\A
1. Relieve pressure.
2. Remove the filter bowl and screen:
see
manual
307-273. Clean the screen separately and install the
bowl, without the screen, to flush it.
See
Fig 12-1.
FILTER
BOWL
SCREEN
FILTER
SUPPORT
Fig
12-1
3. Close the pressure drain valve.
4.
PLlt
the suction tube in a grounded pail of solvent.
5.
Remove the spray
tip
from
the
gun.
PRESSURE
DRAIN
VALVE'
WARNING
6.
Disengage the gun safety latch. Start the sprayer, trig-
ger the gun making metal-to-metal contact between
the gun and a grounded metal pail, and slowly turnthe
pressure adjusting knob just until the pump starts.
the nozzle.
See
Fig 12-2. Release the trigger and en-
Keep
the gun triggered until clean solvent comes from
gage the gun safety latch.
._
MAINTAIN
FIRM
METAL-TO-
FLUSHING
TO
REDUCE THE
METAL CONTACT WHEN
CHANCE OF STATIC
SPARKING AND SPLASHING.
Flg
12-2
7.
Check all fluid connections for leaks. Relieve pres-
sure before tightening any connections. Start the
sprayer. Recheck the connections for leaks.
8.
Removethe suction tube from the pail. Disengage the
the hose.
Do
not let the pump run dry for more than
30
gun safety latch. Trigger the gun to force solvent from
seconds, to avoid damaging the pump packings!
Re-
lieve pressure.
9.
Remove the strainer and suction tube (if
used)
and
clean separately to be sure all paint sediment is
removed.
10. Leave the pressure drain valve open during non-use.
Install the clean screen. Install the bowl, hand tight.
11.
If you flushed with mineral spirits and are going to
use
a water-base paint, flush with soapy water followed
by a clean water flush. Relieve pressure.
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