TM 11-2323
C4
Page 26, paragraph 12, chart (page 6 of C2). Delete the chart
and substitute:
Control
Location
Function
Right side of projector
Locks support post in posi-
Clamping knob _ _ _ _ _ _ _ _
tion.
housing, rear of sup-
port post (PH-637/
PFP, PH-637A/PFP,
and PH-637B/PFP)
(fig. 27). Rear of
yoke plate (PH-637C/
PFP) (fig. 7.1).
Racks projection head up
Focusing knob _ _ _ _ _ _ _
On split tube at end of
or down for focusing
projection head-sup-
purposes.
port arm (PH-637/
PFP, PH-637A/PFP,
and PH-637B/PFP)
(fig. 2). On head-
support arm flange
(PH-637C/PFP) (fig.
2.2).
Varies vertical angle of
Mirror elevation knob
On back of projection
front surface mirror;
(fig. 2 and 2.2).
head.
moves image up or
down on screen.
Turns projector power on
On front of housing_ _ _ _ _
On-off switch (fig. 2 and
or off; controls lamp
2.2).
and blower.
Winds used cellophane or
Takeup roll winding de-
On rear of housing (PH-
plastic on takeup roll.
637A/PFP and PH-
vice (fig. 1, 2, and 2.2)
637C/PFP); on left
side of housing (PH-
637/PFP and PH-637
B/PFP).
Rewinds cellophane or
On front of housing (PH-
Supply roll winding de
plastic back on supply
637A/PFP and PH-
vice (fig. 2 and 2.2)
roll.
637C/PFP; on right
side of housing (PH-
6 3 7 / P F P a n d PH-
637B/PFP).
Page 19, paragraph 16a ( p a g e 6 o f C 2 ) . M a k e t h e f o l l o w i n g
changes: Line 2. After "PH-637A/PFP", add: and the PH-
637C/PFP.
Add subparagraph (3) after subparagraph (2):
(3) PH-637C/PFP. Raise the front shelf (fig. 2.2) and make
sure that the projection stage is all the way down. Hold the
16
