Flushing
Specifications
1. New Sprayer:
Oil
is
used
by
the
factory for testing
and
protection.
It
is
necessary to
flush
unit
before
spraying.
A.
If
spraying water-base
paint,
flush
with
mineral
spirits followed
by
water.
B.
If
spraying oil-base
paint,
flush
with
mineral
spirits
only.
2. Changing from water-base
to
oil base:
Flush
with
water,
then
mineral
spirits.
3.
Changing from oil-base to
water-base:
Flush
with
mineral
spirits,
then
water.
4. Changing colors:
Flush
with
a
compatible solvent
such
as
water or
mineral spirits.
5. Storage: To assure proper
performance
and
long
life,
always
clean the sprayer thoroughly before
storing.
A. Water-Base Paint:
Flush
with
water,
then mineral spirits
and
leave
the
pump, gun
and
hose
filled
with
mineral spirits.
Shut
off
and
unplug
the
sprayer and
turn
pressure
relief
prime valve to
prime
to
relieve
pressure. Return prime
valve
to
spray position.
B.
Oil-Base Paint:
Flush
with
mineral spirits.
Shut
off
and
unplug
the
sprayer, turn
the
pressure relief
prime valve to
prime
to
relieve
pressure
and
leave
open.
Return
prime
valve to
spray
position.
• During storage
the
power
cord
must
be
coiled around
cord
holder
to
avoid damage.
6. Start-Up After Storage:
A.
Water-Base Paint:
Flush
out
mineral spirits
with
water.
B.
Oil-Base Paint:
Flush
out
the
mineral spirits
with
the
material
to
be
sprayed.
Always
dispose
of
mineral spirits
in
a
proper
way.
TROUBLESHOOTING AIRLESS PUMP
PROBLEM
PROBABLE CAUSE REMEDY
Electric motor won't
run
1.
Unit unplugged or circuit fuse
1.
Check
blown
2. Pressure setting too low
2.
Increase
3.
Brushes
on
motor are worn
3.
Replace
4. Electric motor burned out
4.
Replace
5. Switch defective
5.
Replace
6.
Fuse
in
pump blown
6.
Replace
Gas engine won't start
1.
Engine switch not
on
1.
Turn on
(where
applicable)
2. Engine oil level low
2.
Try starting engine. If light
on rear glows, add oil
3. Out of gas
3.
Fill
4. Spark plug cable
4.
Connect or replace
disconnected or bad plug
Pump won't prime
1.
Air in line
1.
Check syphon tube
0-
Ring and/or let paint
circulate
in
prime position
2. Insufficient pressure
2.
Increase pressure
3.
Clutch worn or damaged
3.
Replace
(Gas models)
Insufficient material flow
1.
No paint 1 . Check supply
2. Syphon strainer clogged
2.
Clean
3. Pump/gun filter clogged
3.
Clean & replace
4. Pump will not prime, material 4. Thin material
too heavy
5. Engine not tuned
properly
(Gas)
5.
Tune engine
6.
Worn clutch (Gas models)
6.
Service
Pump will not maintain
1.
Air leak
in
system
1.
Tighten connections
pressure
2.
Air leak
in
syphon tube
2.
Tighten, check for leaks
3. Inlet valve not seating
3.
Service or clean
4. Worn packings
4.
Replace
5. Dirty or worn ball valves
5.
Clean or replace
6. Worn valve seats
6.
Reverse
7. Worn prime
valve
7.
Replace
Not enough pressure
1.
Pressure setting too low
1.
Increase
2. Plugged filters
2.
Clean or replace
3.
Spray tip too big or worn
3.
Change or replace
4. Engine or motor rpm too low
4.
Increase throttle
(Gas)
Excessive surge at
1.
Wrong type of hose
1.
Replace with a minimum
spray
gun--
50' grounded nylon braid
high pressure hose
2.
Spray tip too big or worn
2.
Change or replace
3.
Excessive pressure
3. Decrease pressure and
engine speed
Paint
leaks into oil cup
1.
Worn out packings
1.
Replace
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