Repairs

TM 11-405-10

Figure 34. Lamp PH-422-A, disassembled.

(5) Replace the light filter and the retainer

36. Repairs

ring.

a. Safelight (fig. 34). If replacement of the lamp in

(6) Replace the lamp holder in its mounting

the safelight is necessary, proceed as follows:

bracket.

(1) Remove

the lamp holder from the

b. Enlarger Lamp. If the lamp in the enlarger body

mounting bracket.

must be replaced (par. 35b), proceed as follows:

(2) Unscrew the retainer ring and remove the

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

light filter. Be careful not to drop the light

(a) Pull the control lever (fig.

filter.

forward and over the control lever

(3) Unscrew and remove the lamp.

stop.

(4) Screw the replacement lamp into the lamp

holder.

AGO 5894A