TM 5-6675-319-14
9-20.20
Replace Photomultiplier Tube.
MOS: 35E, Special Electronic Devices Repairer
SUPPLIES: PMT
Gloves
WARNING
Death or serious injury may occur from electrical shock unless power is
t u r n e d o f f b e f o r e s e r v i c i n g.
a.
Turn off MASTER POWER switch.
b . T u r n o f f c i r c u i t b r e a k e r .
c .
Open hood.
CAUTION
Use gloves to handle PMT. Fingerprints will damage tube.
d. Remove defective PMT with tube puller.
e.
Aline PMT pins with socket and insert new PMT.
f . L o w e r h o o d.
g.
Turn on circuit breaker.
h. Turn on MASTER POWER switch.
9-170
