(13) Remove darkroom connecting frame (fig.
slot of the free-end arm bracket. Tighten holding stud
2-81, and wrap protective covering on top and bottom
and locknut
curtain holders.
b. Loading the Unit Lower the six casters of the
Note: Lensboard must be at least 36 inches
camera skid by means of the lift handles (9, fig. I1).
from camera back when In locked position to avoid
Insert the iron-pipe lifting attachments through the holes
damaging bellows while lowering camera
provided at the ends of the skid. Attach crane slings to
the lifting attachments, and with the use of a crane, lift
(5) Loosen bellows clamp and screw (15
the camera onto the mobile van floor. Detach the slings
and 16, fig. 1-5) on both sides of the camera back. Turn
and lifting attachments from the camera skid, and roll
clamps 900 to release bellows from camera back.
the camera into position.
Tighten clamps and screws.
c. Loading on Flatcar, from Installation.
(6) Secure bellows to the lensboard with
strap (2, fig. 2-5).
(1) For a long distance move, or when the
(7) Loosen four locking knobs (10) on the
camera may be subject to shock in transit, tilt the
camera back, and move the hinge brackets (9) backward
copyboard into horizontal position, release the two knobs
(away from camera back). Tighten locking knobs.
(6, fig. 1-6), and rotate the copyboard so that its long
(8) Open vacuum back and lower the
dimension parallels the camera bed. Then lock the two
focusing glass. Close the vacuum back and lock in
knobs. Cover the copyboard surface with soft padding,
position.
topped with a plywood or other protective covering, and
(9) Lay the four turnbuckles (6) flat on
strap in place. Prepare a crate as shown in figure 2-1,
camera skid.
Check camera skid to be sure no
and pack equipment as detailed in paragraph 2-1. a.
obstructions are present.
(2) Move the crate to the loading platform
(10) Lower the camera bed with crank handle
with a fork truck. Attach two crane slings to the notches
(7, fig. 1-1) until the camera tube rests on skid.
(12, fig. 2-1) at the base of crate and one crane sling
(11) Connect the turnbuckles to the sides of
around the side at the center of balance (9). Lift the
camera tube. Tighten turnbuckles.
crate with a crane and place on flatcar.
Block,
(12) Remove the crank handle and store in
strap, and tie down crates as illustrated in figure 2-2.
toolbox, (6, fig. 1-2).
2-4. Reinstallation After Movement
CAUTION: Never operate the camera with crank
handle in position, or damage may be done to the
Reinstall the copying camera according to details
copyboard or transparency holder. Always store
specified in paragraph 2-1 h.
crank handle in toolbox.
Section III. CONTROLS AND INSTRUMENTS
2-5. General
2-7.
Copyboard and Lensboard Positioning
Counters
This section describes, locates, illustrates and furnishes
a. Description. The positioning counters (3, fig.1-
the operator sufficient information about the various
controls and instruments for the proper operation of the
providing the distance reading of the components to the
material.
focusing glass in increments of inches and one-
hundredths of an inch.
b. Location. Positioned on a platform on the
2-6. Copyboard and Lensboard Limit Switches
darkroom side of the camera back.
c. Purpose. Provide the lens and copyboard
a. Description. The limit switches (10, fig. 1-1 and
distance readings from plane of focusing glass for
10, fig. 1-5) for the copyboard and lensboard are
accurately positioning these components to provide the
microswitches used to cut the current to the drive motor
required reproduction ratio and focus.
when actuated.
There are 3 limit switches, each
containing a spring-loaded switch lever attached to the
exterior of the limit switch box.
2-8. Lensboard Control Switch
b. Location.
On the camera copyboard and
lensboard carriage.
a. Description. The lensboard control switch (4,
c. Purpose. These switches limit the forward and
reverse travel distance of these components to prevent
lensboard through the lensboard drive motor. The
injury to the bellows, interference between carriages, and
switch is provided with a hand lever, spring loaded,
jamming of drives at ends of travel.
which returns to a neutral position after being released.
2-8
