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 TM 11-405-10
TM 11-405-10
Item
No
Item
Action or condition
Normal indication
Corrective measures
11
Enlarger lamp
a Interval t i m e r TIME-FOCUS
Enlarger lamp goes off.
switch in TIME position (ac
operation).
b Release pressure on foot switch
P
button (dc operation).
R
12
Easel
Load easel with photographic en-
Supplies correct margin and size of
Check masking arms for positive
E
larging paper (par 20)
print
action.
Readjust masking arms to desired
P
positions (par 20).
A
13
Timer:
R
a
Interval time (ac oper-
a Set for desired exposure time
ation)
(par 23c, d, or e).
A
b Continuous timer (de
b Set to zero (par 23a or b).
T
operation).
O
14
Exposure
a
Start (par 23c, d, or e) interval
a
Enlarger lamp lights and then
Replaces enlarger lamp (par 36b).
timer (ac operation)
goes off after exposure time
For ac operation, check interval
R
elapses
timer connections (fig 11 or 12).
Y
b
Start (par 23a or b) continuous
b
Enlarger lamp lights Continuo us
For dc operation, check foot switch
timer and press foot switch
timer indicates exposure time
connections and winding of con-
button (dc operation)
(Release pressure on foot
tinuous timer.
switch button and enlarger
lamp goes off.)
O
P
15
Exposed photographic enlarging
Process exposed photographic en-
Desired print is developed
Check that negative is in negative
E
paper
larging paper (par 26b(2)-(9))
carrier.
R
Check expiration date of photo-
A
graphic enlarging paper.
T
Check solutions (par 22).
I
Check processing procedures (TM
O
11-401).
N
S
16
Power cord
Disconnect from power source.
T
17
Safelight
Turn on room lights and turn off
O
safelight.
P
18
Negative carrier
Remove from enlarger body and
P
unload.
I
19
Lens cap
Place on projection lens.
N
G
47
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