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KA BAND OUTDOOR TWT AMPLIFIER
6-2
Table 6-1
Preventive Maintenance Performed by Operators
Tasks
Daily
1 Mo.
3 Mo.
6 Mo.
1 Yr.
Log
meter
readings
X
Perform visual inspection (Note 1)
X
Air system maintenance
X
Cooling fan (Note 2)
X
Perform external cleaning (Note 1)
X
Note
1 Cleaning may be required more or less frequently than shown, depending on the site environment.
Note
2 Replace fan after 50,000 hours of operation (Service Technician Task).
ELECTRICAL HAZARD! THE PERSONS PERFORMING MAINTENANCE PER
TABLE 6-2 MUST BE SERVICE PERSONNEL WHO HAVE ATTENDED A
FORMAL TRAINING PROGRAM FOR SERVICE OF THE KA-BAND TWTA
ODU.
Table 6-2
Preventive Maintenance Performed by Technician
Tasks
Daily
1 Mo.
3 Mo.
6 Mo.
1 Yr.
Perform initial Power ON check
X
Verify limit settings
X
Verify Helix setting and metering
X
Run performance tests
X
6.2.1 Visual
Inspection
(
AC Power Off Task
) At one-month intervals, the Amplifier should be visually inspected for
physical defects. If the equipment is subject to severe environmental conditions, inspections
should be performed more frequently.
PHYSICAL HAZARD! BEFORE ATTEMPTING ANY CLEANING, REMOVE
ALL POWER. WHEN USING SOLVENTS, PROVIDE ADEQUATE
VENTILATION AND AVOID BREATHING FUMES. WHEN CLEANING WITH
AIR, WEAR SAFETY GOGGLES AND USE CLEAN, DRY COMPRESSED AIR
NOT EXCEEDING 25 PSI (1.75 KG/CM).
INSTALLATION AND OPERATION MANUAL