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Preventive Maintenance
Schedule
SC
HN
NL
FD
LA
PT
KP
OV
BR
MK
Procedures
Latest Changes
Weekly
W2-1: Test Emergency Power
Monthly
M-1: Test Emergency Lights
M-2: Check Cryo Compressors Oil Levels
Cryogenic Compressor Pressure Log
M-3: Check Backup Modems
M-4: Azimuth Cablewrap Assembly Maintenance
M-5: Check Wheel Position to Rail
Wheel Position Log
M-6: Test and Inspect Building and Antenna UPS
10KVA UPS Log
5KVA UPS Log
M-7: Removed. See Q2-6.
M-8: Clean Gearbox Oil Filters
Quarterly
Q-1: Inspect Fire Extinguishers
Q-2: Test Alarm Trip Points, Clean Mirror in Weather Station
Q-3: Change Filters, Inspect Contempo HVAC Units
Contempo Inspection Form
Q-4: Change Filters, Inspect Control Building HVAC
Q-5: Change Filters, Inspect Vertex HVAC
Vertex HVAC Inspection Form
Q-6: Check IF Converter Levels and Synthesizer Settings
IF Converter Level Log
Link to the VLBA RFI Page
Synthesizer Settings List
Dipole Alignment
Q-7: Clean Gear Box Oil Distributor Flow Indicators
Q-8: Clean Filter, Inspect Pedestal Room HVAC
Q-9: Lubricate Elevation Sector Gear and Pinion
Q-10: VLBA Tape Recorder and Formatter Maintenance Procedures
Recorder Test Tape Log
Q-11: Removed. See Q-6.
Q-12: Test and Inspect Vacuum Pumps and Manifolds
Q-13: Inspect Brushes/Commutator
Inspect Brushes/Commutator (Check List)
Semi-Annual
Q2-1: Lubricate, Inspect FRM and Apex
Q2-2: Lubricate Az, El, and Pintle Bearings
Q2-3: Lubricate Elevation Hoist
Q2-4: Lubricate Az/El Drive Motors
Q2-5: Clean and Inspect Antenna Control Unit
Q2-6: FRM Servo Amplifier Alignment
Q2-7: Check and Clean All Rack and Chassis Fans and Filters
Q2-8: Inspect and Test Antenna Limits
Q2-9: Lubricate Encoder Tube Bearing
Q2-10: Inspect Antenna Grounding System
Q2-11: Front End Vacuum Readout Adjustment
Q2-12 & 13: Azimuth and Elevation Servo Motors and Tachometers
Q2-14: Removed. See A-2.
Q2-15: Dry Air System to Feed Horns and FRM Motors
Dry Air System Log
Q2-16: Vertex HVAC Refrigerant Check
Annual
A-1: Clean Fire Alarms and Test System
A-2: Change Gearbox Oil
Removing Oil Level Indicator
Oil Level Indicator Pieces
Oil Filter Cleaning
A-3: Pump 13cm & 20cm Dewar
Cryogenic Compressor Pressure Log
As Required
AR-1: Inspect Onan Generator (Contract Maintenance)
AR-2: Change Oil and Clean Filter in Az/El Gearbox
AR-3: Cryogenics Refrigerator Servicing Procedures
Cryogenic Compressor Pressure Log
AR-4: Adjust Antenna Motor Current Readout
AR-5: Service Az/El Drive Motor Brakes
AR-6: Servo Motor Armature Replacement
Motor Assembly Diagram
AR-7: Adjusting Az/El Drive Motor Electrical Neutral Point
AR-8: Clean Gearbox Flow Indicators
Flow Indicator Assembly Diagram
Tubing Wrench for Flow Indicators
Removing Flow Indicator Assembly
Flow Indicator Assembly
Cleaning Flow Indicators with Swab and Simple Green
Rinsing Flow Indicators
Clean Flow Indicators
Clean Flow Gauge
Flow Gauge Flapper and Wiper
Flow Gauge Switch Actuating Cam
Flow Gauge Housing
AR-9: Cryogenic Compressor Procedures
Cryogenic Compressor Pressure Log
AR-10: Programming the Smart II DDC Controller
AR-11: Refrigerant Controls Description
Modified on Friday, 26-Sep-2008 12:16:59 MDT
