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 TM 11-405-10
Item
No
Item
Action or condition
Normal indication
Corrective measures
1
Enlarger
Connect to power source (par14).
2
Safelight ON-OFF switch (fig
Move to ON position
Safelight lamp lights
Check that correct lamp is being
34)
used (par 14).
Check for defective lamp (par 36).
Check ON-OFF switch and power
cord connectors (figs
11, 12,
and 13).
3
Enlarger ON-OFF switch (figs
Move to ON position.
3, 11, and 12).
4
Enlarger lamp:
a Interval timerTIME
a
Move to FOCUS and then to a
Enlarger lamp lights and then
Check that lens cap has been re-
FOCUS switch (ac
TIME
goes off
moved from projection lens.
operation)
Check ON-OFF switch and all cir-
cuit connections (figs
11, 12,
and 13).
b
Foot switch (dc opera-
b
Press button and then release
b Enlarger lamp lights and then
Check for defective lamp (par 36).
P
tion)
goes off.
R
5
Negative carrier
Insert a loaded negative carrier in-
Negative carrier should fit in place
Check locating holes and studs on
to enlarger body (par 19)
PH-129-(*) and PH-639(*)/TF
E
(par 19).
P
Check action of plunger on EN-16
A
(1) (par 19).
6
Easel
Load easel with plain white paper.
R
7
Condenser lens assembly
a Interval timer TIME-FOCUS
Image should be free of spots,
Check condenser lens assembly
A
switch in FOCUS position (ac
streaks, and lines
for cracks, dirt, or scratches
T
operation)
(par. 33b).
b Press foot switch button (de oper-
Check negative for foreign matter
O
ation) or scratches.
R
8
Enlarger body
Raise or lower as required for cor-
Image should be of desired size
Check the movement of the
Y
rect enlargement size (par 21)
enlarger body.
Check that correct condenser lens
assembly and projection lens
are being used (par
17).
9
Bellows
Lengthen or shorten bellows as re-
Image should be in sharp focus No
Check that bellows has no light
quired for sharp focus (par 21)
extraneous light comes from bel-
leaks (par 34b).
lows
Check that condenser lens
assembly and projection lens
are in correct position (par
17).
10
Projection lens
Adjust f/stop opening (par 21)
Image should be sharp and clear
Check focusing (par 21).
Clean projection lens (par 33b).
46
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