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6/15/95
Preventative
What
What
What
Outline
Provide a checklist
is
is
is
the
the
the
what
Maintenance
Procedure
—===—=—=—=—=—=———=———_—_——_—__———————
recommended
months
Six
average
1/2
average
Two
is
Verify
probes
time
hour
time
hours
involved
pyrometer
and
of
frequency
to
to
in
the
system.
the
PM
of
conduct
conduct
a
a
if
PM
of
this
calibration;
procedure.
PM
intervals?
PM?
repair?
equipment.
leak
test
system;
freeze & defrost
test
of
Temperature
A.
Install a probe
B.
Turn
console
digital
C.
Put
D.
Verify
Leak
A.
Turn
test.
B.
Take a reading
C.
Turn
D.
Gauge
E.
If
Ereeze
.
Install a probe.
>
B.
Turn
C.
Depress
temperature
probe
that
Test
console
console
should
pressure
and
console
temperature
Release
D.
Note:
a
and
Probes
thermocouple
defrost
Display
into
“On”,
tip
in
ice
temperature
“On”.
from
"Off".
not
drops,
Defrost
Test
“On”.
pedal
foot
and
of
approximately
pedal
with a red
and
with
these
Accuracy
the
socket.
depress
display.
water.
is
0°C + 5°.
Note:
the
pressure
drop
more
open
unit.
verify
and
that
verify
band
will
not
probes.
Verification
pedal
Do
and
not
install a probe
gauge
than
10
psi
Find
and
the
tip
freezes
-80°C
tip
around
read
in
air.
defrost.
the
temperature.
release.
in
front
in
one
repair
leak.
and
spring
Verify
This
activates
in
the
socket
of
unit.
minute.
that
you
are
not
only
the
for
get
a
equipped
tip
freeze
this
with