Table 2-2. Operator/Crew Preventative Maintenance Checks and Services (cont)

TM 55-1915-200-10

Table 2-2. Operator/Crew Preventative Maintenance Checks and Services

EQUIPMENT NOT READY/AVAILABLE

- BEFORE D - DURING A - AFTER W - WEEKLY M - MONTHLY Q - QUARTERLY S/A SEMI ANNUALLY AN - ANNUALLY

T/A - TRIENNIALLY

ITEM

AWM

Q S/A AN T/A

ITEMS TO BE INSPECTED

CHECK FOR

ACTION

PMC

NMC

NUMBER

1 kW Xenon Searchlight

Lamp

Visually inspect lamp for blackening.

If black, replace lamp.

Refer to unit maintenance

WARNING

On initial startup, DO NOT energize circuit before

first checking to ensure that the protective lamp

cover is 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. Observe all warnings to prevent injury or

possible death of personnel.

WARNING

Do not stand close to searchlight front cover when

lamp is lighted. In the event of lamp explosion, the

front cover glass could break. Avoid direct

exposure from the powerful direct and reflected

radiation given off by the lamp. Observe all

CAUTIONS and WARNINGS.

Visually inspect for stresses in the quartz.

If stress is detected,

replace lamp.

Reflector

Visually inspect for tarnishing, dirt buildup and

Clean as required.

corrosion.

Front Cover Glass

Visually inspect glass for dirt buildup and defects. Clean as required.

Searchlight

Visually inspect the case for damage, dirt buildup Clean/repair/replace as

and corrosion.

required.

Searchlight Power Supply

LSV PMCS

Change 12

2-257