| M
a
int
e
n
a
nc
e
& Cl
ea
ning
8-51
|
304243H02
Mini-mit
e
Tub
e
Furn
a
c
e
Chapter 8
Contactor Replacement
If th
e
cont
a
ctor is inop
e
r
a
bl
e
, compl
e
t
e
th
e
following st
e
ps to r
e
pl
a
c
e
th
e
cont
a
ctor (r
e
f
e
r
1. Disconn
e
ct furn
a
c
e
from m
a
in pow
e
r by turning th
e
switch (#4 in Figur
e
4) to OFF
position. Ensur
e
pow
e
r cord is r
e
mov
e
d from sock
e
t.
2. R
e
mov
e
th
e
scr
e
ws loc
a
t
e
d on th
e
l
e
ft
a
nd right sid
e
s of th
e
control p
a
n
e
l (it
e
m #1 in
Figur
e
4).
3. Slid
e
th
e
p
a
n
e
l
a
ss
e
mbly
a
w
a
y from th
e
unit to
e
xpos
e
compon
e
nts.
4. Loc
a
t
e
th
e
cont
a
ctor on th
e
compon
e
nt tr
a
y (it
e
m #3 in Figur
e
4).
5. Not
e
th
e
t
e
rmin
a
l conn
e
ctions of th
e
cont
a
ctor wir
e
s
a
nd l
a
b
e
l th
e
m for
r
ea
tt
a
chm
e
nt. R
e
mov
e
th
e
wir
e
s from th
e
t
e
rmin
a
ls of th
e
cont
a
ctor.
6. R
e
mov
e
th
e
mounting scr
e
ws from th
e
cont
a
ctor.
7. R
e
pl
a
c
e
th
e
cont
a
ctor
a
nd r
e
conn
e
ct th
e
wir
e
s.
8. R
ea
ss
e
mbl
e
th
e
unit.
Temperature Controller Replacement
To r
e
pl
a
c
e
th
e
t
e
mp
e
r
a
tur
e
controll
e
r, compl
e
t
e
th
e
following st
e
ps (r
e
f
e
r to Figur
nt”):
1. Disconn
e
ct furn
a
c
e
from m
a
in pow
e
r by turning th
e
switch (#4 in Figur
e
4) to OFF
position. Ensur
e
pow
e
r cord is r
e
mov
e
d from sock
e
t.
2. R
e
mov
e
th
e
two sh
ee
t m
e
t
a
l scr
e
ws loc
a
t
e
d on
ea
ch sid
e
of th
e
furn
a
c
e
n
ea
r th
e
low
e
r front (#1 in Figur
e
4). Pull th
e
control p
a
n
e
l forw
a
rd to
a
cc
e
ss th
e
controll
e
r (#5
in Figur
e
4.
3. Not
e
th
e
t
e
rmin
a
l conn
e
ctions of th
e
wir
e
s
a
nd l
a
b
e
l th
e
m for r
ea
tt
a
chm
e
nt. R
e
mov
e
pow
e
r input
a
nd output wir
e
s from th
e
b
a
ck of th
e
controll
e
r. Obs
e
rv
e
pol
a
rity for th
e
th
e
rmocoupl
e
l
ea
d wir
e
. R
e
d is
a
lw
a
ys n
e
g
a
tiv
e
. R
e
f
e
a
ddition
a
l wiring inform
a
tion.
4. C
a
r
e
fully pry th
e
top
a
nd bottom of th
e
squ
a
r
e
coll
a
r
a
w
a
y from th
e
sl
ee
v
e
a
nd slid
e
th
e
coll
a
r off th
e
b
a
ck of th
e
sl
ee
v
e
.
5. Pull th
e
controll
e
r out through th
e
front of th
e
control p
a
n
e
l.
6. Inst
a
ll th
e
r
e
pl
a
c
e
m
e
nt instrum
e
nt by r
e
v
e
rsing th
e
a
bov
e
proc
e
dur
e
.
WARNING :
Disconn
e
ct furn
a
c
e
from m
a
in pow
e
r b
e
for
e
a
tt
e
mpting
a
ny
m
a
int
e
n
a
nc
e
to furn
a
c
e
or its controls.
WARNING :
Disconn
e
ct furn
a
c
e
from m
a
in pow
e
r b
e
for
e
a
tt
e
mpting
a
ny
m
a
int
e
n
a
nc
e
to furn
a
c
e
or Its controls.
Summary of Contents for Lindberg/Blue M Mini-Mite TF55030
Page 11: ... Safety Precautions 1 9 304243H02 Mini mite Tube Furnace Chapter 1 ...
Page 19: ... Installation 4 17 304243H02 Mini mite Tube Furnace Chapter 4 ...
Page 21: ... Start Up 5 19 304243H02 Mini mite Tube Furnace Chapter 5 ...
Page 57: ... Maintenance Cleaning 8 55 304243H02 Mini mite Tube Furnace Chapter 8 ...
Page 61: ... Wiring Diagrams 10 59 304243H02 Mini mite Tube Furnace Chapter 10 ...
Page 67: ... Contact Information Chapter 13 13 65 304243H02 Mini mite Tube Furnace ...
