UST 1106C - Page 5

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Close
"-
t
OPen
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lfi
!.
,
'i
jti
Flgure
6
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4. Fully
counterclockwise
will
shut
off
flow
of air
completely.
2.
Pull
ring
on safety
valve
and
allow
rt
to
snap
back
to norrnal
posrtton.
:.t.
\....-\
Safety
valve
must
be replaced if it
cannot
&
actuated
or it /eaks
air afler
ring is released.
3.
With
compressor shut off
reduce tank
pressure
below
10
psi,
then
drain
moisture
from
tank
daily to
avoid tank
corrosion. Drain
moisture from tank
by
tilting the tank
and
opening
the
drain
cock underneath the
tank.
4. Turn
power
OFF
and clean dust and dirt
from motor,
tank, air lines
and
pump
cooling fins.
IHPOBTANT:
Unit
should be
located
as
far
from
spraying area as
hose
will allow.
LUBBICATION
This is
a
cornpressor
that requires
lubrication.
SAE 30
warm
SAE 20 cold
rod
determent
THERMAL OVERLOAD
PROTECTOR
This
compressor
is
equipped with
a
thermal overload
protector
which
will .
shut oft
motor if it becomes
overheated.
lf thermal overload
protector
shuts
motor
OFF
frequently
look
for
the
following
causes.
1.
Low
voltage.
2.
Wrong
gauge
wire or
length
of
extension cord.
3.
Lack
of
proper
ventilation.
The
motor must be
allowed
to cool
down
betore start-up
is
possib
le.
The
motor
will automatically
restart
without
warning it left
plugged
into
electrical
outlet
if
the
motor
is turned on.
STORAGE
1.
When not
in
use,
hose and
compressor
should be stored
in
a
cool dry
place.
2.Tank should be
arained of
moisture.
3. Hose should
be disconnected
and
hung
open
ends
down
to
allow
any moisture
to
drain.
F
(
REGUI.ATED
OUTLET
GAUGE
1. l'his
gauge
shows
at-a-glance, air
pressure
at outlet.
Air
pressure
is
measured
in
pounds per
square
inch
(psi).
2. Be sure
this
gauge
reads ZERO
before
changing
air
tools or
disconnecting
hose
from
outlet.
TANK PRESSURE
GAUGE
Gatrge
shows
pressure
in
air
receiver
indicating
compressor
is
building
pressure
properly.
Release
all
pressure
and
disconnect
power
belore
making any
repair.
1.
Check compressor
for
any
visible
problems,
especially
check
air filter to
sure
it is
clean.
be
Portable Air Compressors
Drain
Cock
-----*
Figure
8
Symptom
Posslble Cause(s)
Correctlve Action'
(
t'
\
Compressor
wlll
not
run
Motor
hums
but cannot
run
or
runs slowly.
Fuse blodclrcult breaker
trlps
Repeatedly.
1.
Loss
of
power
or overheated.
2. No
electrical
power.
3. Breaker
opens
4.
Thermal overload open.
5.
Pressure switch
bad.
6.
Tank is full of air.
1. Low voltage.
2. Wrong
gauge
wire
or length
of
extension cord.
3. Shorted or
open motor winding.
4.
Defected
check
valve
or
unloader valve.
1. lncorrect
size
fuse,
circuit
over-
.
Loaded.
2.
Wrong
gauge
wire
or
length
of
extension cord.
3. Defective check valve
or
un-loader
valve.
1.
Check
for
proper
use of
Extension
cord.
2. Plugged in?
Check
fuse
/breaker
or motor overload
3.
Beset,
determine
why
problem
happened.
4.
Motor
will restart when
cool
5.
Replace
pressure
switch.
6.
Release
air
pressure
in tank
compressor will turn when
pressure
drops
to
cut
in
pressure.
1. Check with voltmeter
2.
Check
gauge
chart
for
proper
Gauge
wire
and
cord length.
3.
Take compressor to service
center.
4.
Take
compressor
to service
center.
1
.
Check
for
proper
fuse,
use time
Delay fuse. Disconnect other
Electrical
appliances
from
circuit
Or operate compressor
on its
Onin
branch circuit.
2.
Check
gauge
chart.
3.
Take
compressor to
service
Center.