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 TM 55-1905-223-10
Table 2-2. Operator/Crew Preventive Maintenance Checks and Service - CONT
B - Before
D - During
A - After
W - Weekly
M - Monthly
INTERVAL
PROCEDURES
EQUIPMENT IS
ITEM
ITEM TO BE
CHECK FOR AND HAVE REPAIRED
NOT READY/
NO
B
DA W M
INSPECTED
OR ADJUSTED AS NECESSARY
AVAILABLE IF:
36
Searchlight
Power Supply
WARNING
On initial startup, DO NOT
energize circuit before first
checking to ensure that the
protective lamp cover has been
removed. Use extreme care when
performing maintenance work,
making adjustments or operating
the searchlight, etc., because
dangerous high voltage (over
50,000) radio frequency power
is used in the lamp starting
circuit. Be sure to observe
all WARNINGS to prevent injury
or possible death of personnel.
Fan
Check for air flow at exhaust
Fan is not
l
openings when searchlight is
operating.
turned ON. If air flow is not
detected, refer corrective
action to unit maintenance.
Check ammeter for correct
Lamp current is
l
current reading (22 amps). If
not correct.
adjustments are required, refer
to unit maintenance.
Power Supply
Visually inspect case for
l
Case
damage, wear, or dirt buildup.
Refer damage or cleaning re-
quirements to unit maintenance.
l Elapsed Time
Check to determine if lamp
Meter
should be replaced. (Recom-
mended replacement time is 1500
to 1600 hrs elapsed time).
Refer lamp replacement to unit
maintenance.
2-231
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