TM 11-6730-235-12
training, briefing, and entertaining troops. It projects
NSN
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Nomenclature, part No.
relatively small text and illustrated material for
and mfg code
simultaneous viewing by all members of a class or
tify manufacturer, dis-
lecture audience. Projection materials for the projector
tributor, or Govern-
can be prepared before, or as part of, a lecture
ment agency, etc.
Projector, Still Picture, PH-63
demonstration. Overlay techniques, in which one or
more transparencies are placed over another
PFP:80-00, 31535,
transparency and progressively removed, can be used
consisting of:
with the projector to illustrate stages of an operation.
1 Spool, Attachment, Roll:
Also, opaque masks can be placed over portions of the
65-82-1, 31535
transparency being projected to provide partial or
progressive presentation of material.
1-6.2.
Expendable Consumable Items
1-5.
Technical Characteristics
Expendable consumable items required for operation
appear in table 1-1.
Transparency type
Overhead transparencies in pre-
accommodated.
pared mounts of up to 10 by
10 in. Acetate rolls 100 R by
1-7.
Description and Equipment
10/4 in.
(fig. 1-1)
Operation temperature
From -25F (32C)
range.
to 150'F (661C .
a. Description of Major Components.
Lens data ........................... Two wide-angle,14 inch focal
The projector component of the
(1) Projector.
length f/3.5 lenses.
projector set is an overhead projector consisting of five
Lamp data.......................... Quartz, bromine-halogen
assemblies: a lens head assembly, arm and post
cycle, single-ended, 2200-
assembly, top plate assembly, case assembly, and a
lumen, projection lamp.
lamp housing assembly. The lens head assembly
Ventilation........................... Forced air
contains a front lens, a bottom lens, and an internally
Image elevation
located mirror. The assembly pivots as a unit around a
angle ............................... Over 30%
support bracket that connects the assembly to the arm
Projection range ................ 4 to 25 ft.
and post assembly. The focus arm of the arm and post
Power input ........................ 105 to 120 volts,
assembly is supported by a holster that can be moved up
60 Hz.
and down on the post. Movement of the holster is
Power consumption .......... 600 watts
accomplished by turning two focus adjust knobs. These
From 28 to 28 in. (for
Projected image screen
knobs turn a pinion gear in the holster that meshes with
area.....................................
foot projection distance)
a toothed rack on the post. Upper and lower stops on
to 175 x 175 in. (for 25-
the post limit the movement of the holster. The top plate
foot projection distance).
assembly is hinged to the case assembly. It is secured
in the closed position by a spring lock button on the case
1-6.
Components and Dimensions
assembly. The top plate assembly is supported and
locked in the open position by an interlock arm
Dimensions (in.)
connected to the case assembly.
The top plate
Item
Height
Width
Depth Weight
assembly contains a stage glass and fresnal lens for the
(lb)
projector. The fresnel lens is held by a fresnel lens
Projector
24
13 5/8 15 5/8 21
holder that is secured to the top plate by a spring latch
Roll attachment (2)
2 1/8
14
4
3 1/2
during overhead projection. The fresnel lens is released
Adapter
1 1/8
7/8
7/8
1/32
for cleaning or replacement only. The case assembly
1-6.1.
Items Comprising and Operable
houses an interlock switch that is actuated by the
Equipment
interlock arm, a blower motor, a thermal switch, a
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Nomenclature, part No.
convenience outlet, and a wiring harness as shown in
and mfg code
figure 1-2. The case assembly also houses the lamp
NOTE
housing assembly. The lamp housing assembly consists
The part number is fol-
of a projection lamp and reflector.
lowed by the applicable
5-digit Federal supply
(FSCW identified in SB
70842 and used to iden-
Change 2 1-2
