C4, TM 9-2350-230-12
TABLE 2-15. INFRARED SEARCHLIGHT OPERATION - CONTINUED
STEP
PROCEDURE
OPERATION
5
Start vehicle engine and run at fast idle (table 2-3 or 2-4. 1).
CAUTION:
DO NOT operate searchlight without engine running.
6
Position LOCAL/REMOTE switch (10, fig. 2-36) on main control box as desired.
NOTE.
The LOCAL/REMOTE switch on the main control box controls searchlight
useage and is operated at the main control box when in LOCAL position
and at the remote control box when in REMOTE position.
7
Pull outward on VISIBLE/INFRARED/OFF 3 position toggle switch (9, fig. 2-36) and
place in desired position. Green LAMP ON light (8, fig. 2-36) will illuminate and
searchlight lamp will ignite.
NOTE. 1.
If the first ignition attempt does not illuminate the lamp, the ignition
process is automatically repeated.
NOTE. 2.
If searchlight does not ignite after 15 to 20 seconds perform searchlight
system self test with circuit test switch knob (4, fig. 2-36) on main control
box. If system is found operable, lamp (300 hours minimum operation)
may be defective. Refer to table 2-14 for lamp replacement.
8
Place BEAM switch (7, fig. 2-36) in SPREAD light or COMPACT light position.
NOTE.
The operator can control the SPREAD light beam by very quickly pressing
switch on and off and obtain a light spread from 1 to 7 degrees,
CAUTION:
If during operation, the OVER TEMP red light (5, fig. 4) comes on, due
to blower motor failure, turn searchlight off and notify Organizational
Maintenance Personnel.
AFTER OPERATION
9
Turn VISIBLE/INFRARED/OFF switch (9, fig. 2-36) to OFF position. Green
LAMP ON light (8, fig. 2-36) and searchlight go out.
WARNING:
DO NOT disconnect electrical harness or open equipment for any reason
until after system has been shut down, and blower motor in searchlight
has stopped.
CAUTION:
DO NOT turn VEHICLE MASTER switch off until the searchlight blower
motor shuts off. The blower motor is automatically controlled by a
temperature sensing switch in the searchlight.
10
Install searchlight canvas front cover.
11
If searchlight and support are removed, stow elevation adjustment screw in clip.
2-60