Forward Plenum

Clean control rods Oil control rods

Forward Plenum

Lubricate all zerk fittings

Forward Plenum

Lubricate all zerk fittings

Lubricate all zerk fittings

Lubricate all zerk fittings

Forward Plenum

1

3

2

1 Remove HVAC unit cover by turning bolts counter clockwise

2 Remove filter.

3 Clean filter with compressed air.

Forward Plenum

Remove nut from louver cover to expose filter.

Replace filter as needed.

Forward Plenum

Sweep and clean floor.

Aft Plenum

Lubricate all zerk fittings on U - Joints. Prior to lubrication clean zerk fittings with a red rag to prevent contaminated grease from being forced back in.

Aft Plenum

Lubricate Zerk Fitting

Lubricate Zerk Fitting

Lubricate Zerk Fittings on Control Rods

Lubricate Zerk Fitting

Aft Plenum

Clean floor in aft plenum.

Clean fire main of dirt accumulated from ventilation system.

Clean control rods.

Searchlight Operating Procedures

4

5

6

1

2

7

3

1. OFF – START SWITCH. HOLD IN START JUST LONG ENOUGH TO LIGHT BEAM. SWITCH RETURNS TO CENTER WHEN RELEASED. MOVE TO OFF TO TURN OFF BEAM.

2. SPEED CONTROL SWITCH. ROTATE KNOB CLOCKWISE TO INCREASE SPEED OF BEAM MOVEMENT.

3. UP-DOWN-LEFT-RIGHT SWITCH. MOVE HANDLE IN DIRECTION TO PRODUCE DESIRED BEAM MOVEMENT.

4. BEAM FOCOUS SWITCH. MOVE SWITCH EITHER WAY UNTIL DESIRED BEAM SHAPE IS ATTAINED.

5. TEST SWITCH. PUSH WHEN BEAM IS ON TO MAKE SURE THAT OVER TEMP INDICATOR LAMP WORKS.

6. OVER TEMP LIGHT. INDICATES POSSIBLE TROUBLE WHEN LIT. IT IS TURNED ON BY THERMOSWITCH IN SEARCHLIGHT, WARNING THAT LAMP IS TOO HOT, AIR FLOW SWITCH IN POWER SUPPLY INDICATING THAT FAN IS NOT MOVING SUFFICIENT AIR, OR OVERLOAD RELAY IN POWER SUPPLY INDICATING IT IS DRAWING TOO MUCH CURRENT. USE SEARCHLIGHT AS LITTLE AS POSSIBLE UNTIL SOURCE OF TROUBLE HAS BEEN CORRECTED.

7. CONTROL ONLY SWITCH. HOLD SWITCH DEPRESSED TO MOVE SEARCHLIGHT (WITH UP-DOWN-LEFT-RIGHT SWITCH) WITH BEAM OFF.

Searchlight

• USE EXTREME CARE WHEN PERFORMING MAINTENANCE WORK, OVER 50,000 RADIO FREQUENCY POWER IS USED IN THE LAMP STARTING CIRCUIT.

• LOCK POWER SUPPLY IN OFF POSITION.

FORWARD PLENUM – FORWARD SEARCHLIGHT POWER SUPPLY.

OFFCIRCUIT BREAKER VSP ROOM - OFF

Searchlight

625.6

• SAFETY WARNING: USE EXTREME CARE WHEN PERFORMING MAINTENANCE WORK, MAKING ADJUSTMENTS, ETC, BECAUSE DANGEROUS HIGH VOLTAGE (OVER 50,000) RADIO FREQUENCY POWER IS USED IN THE LAMP STARTING CIRCUIT.

• OPERATION OF LAMP WITH FINGER MARKS OR GREASE ON THE SURFACE WILL CAUSE DETERIORATION OF THE QUARTZ ARC TUBE.

• RELAMPING. THE BULBOUS PORTION OF THE LAMP ARC TUBE WILL GRADUALLY BLACKEN WITH USE AND STRESSES WILL DEVELOP IN THE QUARTZ. EVENTUALLY, IF USED INDEFINITELY, LAMP COULD BURST CAUSING DAMAGE.

• REPLACE THE LAMP AFTER APPROXIMATELY 1500 T0 1600 HOURS WITH A NEW ONE. THE REPLACED LAMP CAN BE SAVED AND USED AS A FUTURE EMERGENCY SPARE.

• CLEANING. LOCK POWER SUPPLY IN OFF POSITION. PROTECT EYES.

• CLEAN REFLECTOR PERIODICALLY, AS REQUIRED, WITH A CLEAN SOFT CLOTH. DO NOT USE ANY COURSE SCRATCHY MATERIAL BECAUSE THE REFLECTIVE SURFACE CAN BE EASILY MARRED. IF THE REFLECTOR BECOMES EXCEPTIONALLY TARNISHED IT CAN BE CLEANED WITH ANY GOOD SILVER POLISH.

REFLECTOR

LAMP

Searchlight

625.6

• Use any good commercial glass cleaner for cleaning the front cover glass.

Searchlight

• ONCE A MONTH SQUIRT ONE SHOT OF MULTI-PURPOSE GREASE IN EACH OF THE ZERK FITTINGS.

625.6

Searchlight

625.6

• LUBRICATE PINION GEAR MONTHLY.

• BRUSH ON MULTI-PURPOSE GREASE.

• OPERATE SEARCHLIGHT.

Searchlight

1. ONCE A MONTH READ ELAPSE TIME METER. WRITE HOURS ON FORM FOR EACH SEARCHLIGHT.

2. WITH SEARCHLIGHT ON READ AMMETER TO SEE THAT LAMP CURRENT IS BETWEEN 42 TO 45 AMPS.

3. FEEL FOR AIR FLOW AT EXHAUST OPENINGS, THIS INDICATES THAT FAN IN POWER SUPPLY IS OPERATING PROPELY.

4. THE AIRFLOW OVER RECTIFIER WILL EVENTUALLY CAUSE AN ACCUMULATION OF DUST OR “FUZZ” ON THE PLATES WHICH WILL CAUSE A RISE IN OPERTING TEMPERATURE. WITH POWER OFF REMOVE DUST OR OTHER ACCUMULATION WITH A LONG FINE BRUSH OR AIR BLAST EVERY 6 MONTHS.

FEEL FOR AIRFLOW @ EXHAUST OPENINGS

1

4

2

3