Troubleshooting.
I
w
ARNING
To
reduce the
risk
of
serious
bodily injury, includ-
ing
fluid injection or splashing
in
the
eyes or
on
the skin,
or
injury from moving parts, always
follow
the
Pressure
Relief
Procedure Warning
on
page
ting
down
the sprayer.
2
before checking, adjusting, cleaning and shut-
-
Motor
Won't
Operate
Type
of
Problem
Basic fluid pressure
problems
Basic mechanical problems
I
I
Check everything
in
the
gL
the sprayer.
What to Check
If
check
is
OK,
go
to
the
next
check
1.
Check the pressure control knob setting.
Themotorwillnotrunifitisattheminimum
2.
Check for a clogged spray tip. Refer
to
the
setting (fully counterclockwise).
separate gun or
tip
instruction manual.
Check for frozen or hardened paint
in
the
tube.
arefully
W
to
rotate
fan
at back of
pump
19)andlorpressurecontroIbourdon
~ ~~~~ ~ ~ ~~ ~
Li
motor by had. See page
17.
2.
Checkdisplacementpumpconnectin rod
pin
(20).
It
must
be
completely pushe8into
should be
firm1
in groove
of
connecting
connectingrod(9)andretainingspnng(Zl)
rod.
See
page
i5.
3.
Check for motor damage. Remove drive
housing assembly
(6).
See
page
28.
Try
to
rotate fan bv hand.
1.
Checkelectricalsuppl withvokmeter.Me-
~,~~
~~~
ter should read
190-g50
volts.
2.
Check extension cord for visible dama
Use
a volt meter or
test
lamp at extenspi
cord
outlet
to
check.
3.
Check sprayer powersupply cord
31 1)
for
visibledamagesuchasbrokeninsulationor
1.
Check motor brush leads, terminals and
wires.
brush length. Brush length should
be
10
mm minimum.
See
page
32.
lide before disassembling
What to
Do
If
check
is
not
OK,
refer
to
this
column
17
Slowly increase
the
pressuresetting tosee
if
the motor starts.
2.
Relievepressure,refertoyourseparategun
or
tip
instruction manual for
tip
cleaning.
pump packings
(see
page 33)'andlor re-
lace the bare pressure control box
(300).
ee
page
25.
g
2.
Push pin into place and secure with the
re-
taining spring.
3.
Replace motor
(2)
if
fan won't turn.
See
page
30.
1.
Reset
buildin circuit breaker; replace
building fuse.
Try
another electrical
outlet.
2.
ReDlace extension cord.
3.
Replace power supply cord.
See
page
20.
4.
lighten terminal screws; replace brushes.
See
page 32.
..
Thaw the sprayer if water or water-based paint has frozen in
it,
due
to
exposure
to
low temperatures, by placing
it
in
a warm area.
should operate.
If
paint hardened (dried)
in
the sprayer,
the
pump packmgs andlor bare pressure control must be replaced.
See
Do
not
try
to
start the sprayer until
it
has thawed completely.
If
the bourdon
tube
was
not damaged by the freezing, the pump
page
33
or
25.
307-889
11
To Next Page
Loading...
