Figure 31.2. Method of threading film.

TM 11-405-10

Page 40, paragraph 28, line 2. Change "Unit

Page 48, figure 34. Delete the caption and

ES-20(1)" to Units ES-20(1) and ES-20(2).

substitute: Figure 34. Lamp PH-422-A or Photographic

Darkroom Safelight FM-173A, disassembled.

Page 42, paragraph 31 (page 1 of C 2). In line 3, change

"Unit ES-20(1)" to Units ES- 20(1) and ES-20(2).

Page 49, paragraph 36b(2). Add subparagraph

(3) after subparagraph (2).

Paragraph 34, line 3 (page 2 of C 2).

Change "Unit ES-20(1)" to Film Processing Units ES-

(3) EN-91A.

20(1) and ES-20(2).

(a) Loosen the thumbscrew (not

Paragraph 34.1, chart (page 2 of C 2).

shown) that secures the variable

Make the following changes:

condenser lens housing to the

Sequence No. 1, Procedure column. Change

upper lamp housing:

"(figs. 1, 2, and 3)" to (figs. 1, 2, 3, and 3.1).

(b) Remove the upper lamp house

Sequence No. 2, Procedure column. Change

and unscrew the printer lamp.

"(fig. 2)" to (figs. 2 and 3.1).

Paragraph 34.2, chart (page 3 of C 2).

cone (reflector) in the upper lamp

Make the following changes:

house. If the light cone is dirty,

Sequence No. 2, Procedure column. Change

clean with a clean, lint-free cloth.

"(figs. 6 through 9)" to (figs. 6 through 9.2).

(d) Replace the printer lamp.

Sequence No. 3, Procedure column. Change

(e) Position the upper lamp house on

"(figs. 4 and 5)" to (figs. 4, 5, and 5.1).

the variable condenser lens

Paragraph 34.3 (page 3 of C 2). Make the

housing.

following changes:

(f) Tighten the thumbscrew.

Line 2. Change "and 3" to:

Page 50, paragraph 37. Make the following

3, and 3.1.

changes:

Change "(figs. 4 and 5)" to (figs. 4, 5, and 5.1).

Subparagraph e. After subparagraph e, add:

Line 3. Change "(figs. 6-9)" to (figs. 6 through 9.2).

(PH-129-(*) or PH-639(*)/TF only).