attach it to the takeup roll with Scotch tape. When the takeup
crank is turned counterclockwise, the cellophane or plastic
material is wound on the takeup roll.
Page 39, paragraph 37, chart. In the "How to check" column, line 6.
Change "(PH-637/PFP only)" to: (PH-637/PFP and PH-637B/
Page 43, paragraph 39 (page 1 of C1). Make the following changes:
Subparagraph c(1). Add subparagraph (1.1) after subparagraph (1).
(1.1) On the PH-637B/PFP, remove the six bottom cover mounting
screws (fig. 29.1) that secure the bottom cover, and lift off the
bottom cover to reach the blower motor.
Subparagraph c(2). Add subparagraph (2.1) after subparagraph (2).
(2.1) On the PH-637B/PFP, reinstall the bottom cover (fig. 29.1)
and secure it with the bottom cover mounting screws removed
in (1.1) above.
Page 45, paragraph 47, chart: Make the following changes:
In "Item" column, line 3. Change "(PH-637/PFP)" to: (PH-
637/PFP and PH-637/PFP).
In the "Action or condition" column, line 3. Delete "Raise to" and
substitute: Place in.
In "Action or condition" column, line 12. Change "Turn" to: Move.
In "Corrective measures" column, line 4, add the following after the
word "shelf" : (PH-637/PFP or PH-637B-PFP).
Page 48, paragraph 51. Make the following changes:
Subparagraph a. Add the following after the first sentence: On the
PH-67B/PFP, a heat absorbing filter is placed between the
condensing lens and the rear-surface mirror.
Subparagraph b, line 2. Change "Projector PH-637A/PFP" to:
Projectors PH-637A/PFP and PH-637B/PFP.
Last sentence. Add the following after the last sentence: In the
PH-637B/PEP, the motor drives two blowers, one on each end of
the motor shaft.
Subparagraph c. Delete subparagraph c and substitute:
c. Power Supply (fig. 25). Projector PH-637(*)/PFP operates from
a 115 to 120-volt, 60-cycle, single-phase, ac power source. The PH-637/
PFP and the PH-637A/PFP require a two-wire service outlet; the
PH-637B/PFP requires a three-wire service outlet. A two-way OK-OFF
switch is on the front of Projector PH-637(*)/PFP. On the PH-637/
PFP and the PH-637A/PFP, a male receptacle connector for the power
cable is mounted on the front of the housing. There is no receptacle on
the PH-637B/PFP because the power cable is permanently connected
inside the housing. On all projectors, the switch is wired in series with
one side of the line and the parallel-wired blower motor and projection
Figure 25. Add the following note to figure 25.