Filter
Top Products
307-724
14
HOW TO FLUSH
1. Relieve
pressure. See page 16.
2. Remove the filter bowl and screen; see instruction
manual 307–273, supplied. Clean the screen sepa-
rately and install the bowl (only) to flush it.
See Fig
14–1.
3. Close
the pressure drain valve.
4. Pour one–half gallon (2 liters) of compatible solvent
into
a grounded metal pail. Put
the suction tube in the
pail.
5. Remove
the spray tip from the gun.
To
reduce the risk
of static sparking and splashing
when flushing, always remove the spray tip from
the gun, and hold a metal part of the gun firmly to
the
side of, and aimed into, a grounded metal pail
WARNING
6. Disengage
the
trigger safety latch. Point the gun into
a
grounded metal waste container
. With
metal part of
the
gun firmly touching the metal container
, squeeze
the gun trigger. See Fig 14–2. This procedure re-
duces
the risk of static sparking and splashing. Start
the
sprayer
, trigger the gun,
and slowly turn the pres
-
sure adjusting knob clockwise just until the pump
starts. Keep the gun triggered until clean solvent
comes from the nozzle. Release the trigger and en-
gage
the trigger safety latch.
7. Check all fluid connections for leaks. If any connec-
tions
leak, first relieve the pressure. T
ighten the con
-
nections.
Start
the sprayer
. Recheck the connections
for
leaks.
8. Remove
the suction tube from the pail. Disengage the
trigger safety latch. Trigger the gun to force solvent
from the hose.
Do not run the pump dry for more
than 30 seconds to avoid damaging the pump
packings
!
Relieve the pressure.
9. Unscrew
the filter bowl and reinstall the clean screen.
Reinstall
the bowl, hand tight only
.
10. Remove
the
suction tube assembly and clean it sepa
-
rately
. Flushing alone may
not
thoroughly clean these
parts.
11. If
you flushed with mineral spirits
and are going to im
-
mediately use a water-base paint, flush with soapy
water
followed by a
clean water flush. If you are stor
-
ing the sprayer
, leave the mineral spirits in it. Relieve
pressure.
12. Leave the pressure drain valve open until you are
ready
to use the sprayer again.
PRESSURE
DRAIN
V
ALVE
FILTER
SUPPORT
SCREEN
FILTER
BOWL
0671
Fig
14–1
Fig 14–2
MAINTAIN
FIRM
METAL-TO-METAL
CONT
ACT BETWEEN
GUN AND GROUNDED
MET
AL CONT
AINER
GROUND
WIRE
0664