TM 9-2350-261-10
11. Move driving lights switch to
OFF.
12. Move I.R. POWER switch to
OFT.
13. Turn MASTER SWITCH OFF.
WARNING
High voltage in
the M19 periscope
can cause serious
injury or death.
Voltage could ex-
ceed 16,000 volts.
To avoid accidents, observe the
following:
Before disconnecting power
cable from M19 periscope,
always wait at least two
minutes after turning I.R.
P O W E R a n d
MASTER
SWITCH OFF.
Do not disconnect power
cable until image disappears
from periscope screen.
Never touch end of power
cable or allow it to contact
metal surfaces.
14. Remove periscope power cable
from periscope.
15. Connect periscope power cable to
stowage receptacle on master
switch panel. Stow excess cable
against bulkhead behind fixed
fire extinguisher tube.
END OF TASK
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