ENGINEERING DRAWINGS FOR 2-M AST AND ECHELLE SPECTROGRAPH
ENGINEERING DRAWINGS FOR 2-M AST AND ECHELLE SPECTROGRAPH
Drawings have names of the form
AST-mm-Xnn
where mm is a number specifying the location on the telescope,
X is a letter for the type of drawing, and nn is a sequence number.
Location--Parts Group ("mm"):
- 0 = overall. Overview drawings
- 1 = base
- 2 = azimuth bearing
- 3 = fork
- 4 = stub axles and their mounting blocks
- 5 = tube (tub to hold mirror)
- 6 = mirror support (primary mirror)
- 7 = top end and secondary-mirror supports
- 8 = azimuth drive
- 9 = altitude drive
- 10 = drive tractor units
- 11 = miscellaneous
- 12 = electronics
- 20 = enclosure
Function ("X")
- a = assembly drawing
- p = parts of an assembly
- r = process drawings
The PDF files below may not give as much resolution as you'd like. If not, we have
Postscript versions.. For a compressed TAR file with these Postscript files, click
here (appx 11MB).
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OVERALL (Group 00)
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ast-00-a01 Overall View: Part Groups
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ast-00-a02 Inner Envelope of Enclosure
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ast-00-a03 Clearance for Home Position
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BASE (Group 01)
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ast-01-a01 Telescope Base
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ast-01-a02 Exploded View of Base
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ast-01-a03 Telescope Ventilation System
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ast-01-a04 Ventilation Door for Base
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ast-01-a05 Base Skirt
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ast-01-a06 Parts for Base Shroud
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ast-01-a07 Cross Section of Base Skirt
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ast-01-a08 Azimuth Brake (Shock Absorber)
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ast-01-a09 Azimuth Home Sensor
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ast-01-a10 Azimuth Encoder Mount
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ast-01-a11 Azimuth Encoder Mount, 2
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ast-01-p01 Telescope Base Parts, 1
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ast-01-p02 Telescope Base Parts, 2
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ast-01-p03 Telescope Base Parts, 3
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ast-01-p04 Telescope Base Parts, 4
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ast-01-p05 Telescope Base Parts, 5
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ast-01-p06 Parts of Duct Door, 1
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ast-01-p07 Parts of Duct Door, 2
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ast-01-p08 Parts of Base Skirt, 1
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ast-01-p09 Parts of Base Skirt, 2
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ast-01-p10 Parts of Base Skirt, 3
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ast-01-p11 Parts for Drive Shroud
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ast-01-p12 Parts for Motor Cover
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ast-01-p13 Brake Slider Parts
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ast-01-p14 Misc. Brake Parts
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ast-01-p15 Parts for Zero-Point Mount
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ast-01-p16 Central Hub (drive wheel)
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ast-01-p17 Encoder Drive Wheel
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ast-01-p18 Small Parts for Encoder Mount
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ast-01-p19 Shims for Leveling Base
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ast-01-r01 Spacing of Vertical Struts
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ast-01-r02 Spacing on Base Top Plate
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ast-01-r03 Machining Surfaces of Base
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ast-01-r04 Holes for Rail in Base Shelf
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ast-01-r05 Utilities Holes in Base Weldment
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ast-01-r06 Fabrication of Duct Door
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ast-01-r07 Modifiations of Base Skirt, 1
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ast-01-r07a Welded frame of Base Skirt
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ast-01-r08 Modifiations of Base Skirt, 2
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ast-01-r09 Maching Brake Sliders
AZIMUTH BEARING (Group 02)
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ast-02-a01 Central Pivot for Azimuth
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ast-02-a02 Azimuthal Oil-pad Bearing System
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ast-02-a03 Oil Distribution System
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ast-02-a04 Oil Distribution System
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ast-02-a05 Oil Return System
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ast-02-a06 Oil-pumping System
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ast-02-p01 Azimuth-Bearing Hub
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ast-02-p02 Azimuth-Bearing Flexure
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ast-02-p03 Upper Seal Holder
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ast-02-p04 Lower Seal Holder
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ast-02-p05 Mounting Flange for Az Bearing
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ast-02-p06 Oil Pad for Azimuth Bearing, 1
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ast-02-p07 Oil Pad for Azimuth Bearing, 2
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ast-02-p08 Oil Pad for Azimuth Bearing, 3
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ast-02-p09 Oil Pad for Azimuth Bearing, 4
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ast-02-p10 Accessories for Oil Pad, 1
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ast-02-p11 Accessories for Oil Pad, 2
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ast-02-p12 Oil Overflow Troughs
FORK (Group 03)
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ast-03-a01 General View of Fork
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ast-03-a02 Exploded View of Fork
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ast-03-a03 Air-Filter Frame
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ast-03-a04 Alignment Jig for Fork
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ast-03-p01 Base & Tine Plates
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ast-03-p02 Outer Cylinder of Fork
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ast-03-p03 Inner & Middle Cylinders
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ast-03-p04 Inner & Outer Tine Plates
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ast-03-p05 Top plates etc.
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ast-03-p06 Inner Stiffeners for Fork
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ast-03-p07 Inner Plates of Fork
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ast-03-p08 Outer Tine Plates
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ast-03-p09 Azimuth Bearing Plate
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ast-03-p10 Top Plate: Slots for Welds
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ast-03-p11 Covers for Fork Access Holes
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ast-03-p12 Azimuth Alignment Jig
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ast-03-p13 Standoff for Air-Filter Frame
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ast-03-p14 Cover for Cable-Wrap Shaft
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ast-03-p15 Umbilical Clamp/Feed-through
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ast-03-r01 Assembly of Fork, 1
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ast-03-r02 Assembly of Fork, 2
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ast-03-r03 Assembly of Fork, 3
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ast-03-r04 Assembly of Fork, 4
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ast-03-r05 Assembly of Fork, 5
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ast-03-r06 Machining of Fork Base
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ast-03-r07 Machining of Fork Tines
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ast-03-r08 Machining of Fork Base
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ast-03-r09 Machining of Fork Attachnent Points, 1
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ast-03-r10 Machining of Fork Attachment Points, 2
ALTITUDE AXLES AND HOLDERS (Group 04)
ast-04-a01 Altitude Axle and Mount (obsolete)
ast-04-a02 Stub Axle Holder (obsolete)
ast-04-a03 Pillow Block and Accessories
ast-04-a04 Absolute Encoder for Altitude
ast-04-p01 Altitude Axle (obsolete)
ast-04-p02 Outer Seal Holder (obsolete)
ast-04-p03 Inner Seal Holder (obsolete)
ast-04-p04 Axle Support Parts, 1 (obsolete)
ast-04-p05 Axle Support Parts, 2 (obsolete)
ast-04-p06 Axle Support Parts, 3 (obsolete)
ast-04-p07 Altitude Axle (For Aluminum Telescope)
ast-04-p08 Altitude Axle Adapter
ast-04-p09 Tilt Encoder Mount Parts, 1
ast-04-p10 Tilt Encoder Mount Parts, 2
ast-04-r01 Modification of Axles (probably obsolete)
TUBE (Group 05)
ast-05-a01 General View of Telescope Tube
ast-05-a02 Exploded View of Telescope Tube (obsolete)
ast-05-a03 Lateral-Support Detail (obsolete)
ast-05-a04 Axial Hard Points (obsolete)
ast-05-a05 Lateral Hard Points (obsolete)
ast-05-a06 Alt Bearing Housing Detail (obsolete)
ast-05-a07 Central Cylinder of Tube
ast-05-a08 Tube Back Cover
ast-05-p01 Part 5-001, Base Plate (obsolete)
ast-05-p02 Tube: Vertical Stiffener (obsolete)
ast-05-p03 Tube: Outer Plates (obsolete)
ast-05-p04 Tube: Upper Cylinder (obsolete)
ast-05-p05 Lateral Hard Point Attachments (obsolete)
ast-05-p06 Tube: Lower Cylinder (obsolete)
ast-05-p07 Tube: Central Cylinder (obsolete)
ast-05-p08 Tube: Hard-Point Stiffeners (obsolete)
ast-05-p09 Tube: Lateral Support Plates (obsolete)
ast-05-p10 Tube: Altitude Bearing Housing (obsolete)
ast-05-p11 Tube: Altitude Bearing Stiffeners (obsolete)
ast-05-p12 Tube: Top and Bottom Plates (obsolete)
ast-05-p15 Holes for Axial Support, 1 (obsolete)
ast-05-p16 Holes for Axial Support, 2 (obsolete)
ast-05-p17 Central Cylinder of Tube (parts)
ast-05-p18 New Parts for Tube
ast-05-p19 Port Covers for Telescope Tube
ast-05-p21 Parts for Telescope Tube Back Cover, 1
ast-05-p22 Parts for Telescope Tube Back Cover, 2
ast-05-p23 Parts for Instrument Head, 1
ast-05-p24 Parts for Instrument Head, 2
ast-05-p25 Parts for Instrument Head, 3
ast-05-p26 Parts for Instrument Head, 4
ast-05-p27 Parts for Instrument Head, 5
ast-05-p28 Parts for Instrument Head, 6
ast-05-p29 Parts for Instrument Head, 7
ast-05-p30 Parts for Instrument Head, 8
ast-05-p31 Catches for Mirror-Cell Cover
ast-05-p32 Holder for Limit Switch
ast-05-p33 Mirror Washing Dam
ast-05-p34 Baffle Extender
ast-05-p35 Extras for Mounting Guide Camera
ast-05-r01 Fabrication of Tube, 1 (obsolete)
ast-05-r02 Fabrication of Tube, 2 (obsolete)
ast-05-r03 Fabrication of Tube, 3 (obsolete)
ast-05-r04 Fabrication of Tube, 4 (obsolete)
ast-05-r05 Fabrication of Tube, 5 (obsolete)
ast-05-r10 Modification of Tube, 1
ast-05-r11 Modification of Tube, 2
ast-05-r12 Modification of Tube, 3
ast-05-r13 Modification of Tube, 4
ast-05-r14 Machining Axle Adapter
ast-05-r15 Machining Central Cylinder
ast-05-r16 Fabricating Tube Back Cover
ast-05-r17 Finishing Tube Back Cover
ast-05-r18 Fabricating Instrument Head
ast-05-r19 Machining Instrument Head, 1
ast-05-r20 Machining Instrument Head, 2
ast-05-r22 Fabricating Instrument-Head Cover
ast-05-r23 Machining Guide-Mirror Holder
ast-05-r24 Boring Holes in Guide Mirror
MIRROR SUPPORT (Group 06)
ast-06-a01 Primary Mirror Axial Supports
ast-06-a02 Outside Lateral Support
ast-06-a03 Central Lateral Support
ast-06-a04 Axial Support Levers
ast-06-a04a Axial Support Levers (forces reqd)
ast-06-a05 Axial Support & Hard Point
ast-06-a06 Axial Hard Point-Details (obsolete)
ast-06-a07 Axial Hard Point-Details (supersedes AST-06-A06)
ast-06-a07a Axial Hard Point-Details (supersedes AST-06-A07)
ast-06-a08 Adjustment of Lateral Hard Points
ast-06-p01 Axial-Support Parts, 1
ast-06-p02 Axial-Support Parts, 2
ast-06-p03 Axial-Support Parts, 3
ast-06-p04 Lateral-Support Parts, 1
ast-06-p05 Lateral-Support Parts, 2
ast-06-p06 Replacement Puck for Primary Mirror
ast-06-p07 Parts for Axial Hard Point (obsolete)
ast-06-p08 Parts for Axial Hard Point
ast-06-p09 Parts for Axial Hard Point
ast-06-p10 Primary-Mirror Alignment Jig
ast-06-p11 Force-Transferring Column
ast-06-p12 Jig for Inserting Lateral Levers
ast-06-p13 Parts for Redesigned Hard Points
ast-06-r01 Modification of Standoff
ast-06-r02 Modification of 6-020 & 6-021
ast-06-r03 Assembly of Hard-point Screw (obsolete)
TOP END (Group 07)
ast-07-a01 General View of Top End
ast-07-a02 Secondary Mirror Cell
ast-07-a03 Secondary Mirror Cell, Front View
ast-07-a04 Secondary Mirror Cell, Back View
ast-07-a05 Cover for Top End
ast-07-a06 Lifting Jig for Secondary Mirror
ast-07-p01 Foot for Top End
ast-07-p02 Uprights and Cylinder
ast-07-p03 Top-End Struts
ast-07-p04 Baffle Support Pieces
ast-07-p05 Baffles
ast-07-p06 Guy lines for top end (first form)
ast-07-p07 Guy lines for top end (second form)
ast-07-p08 Secondary Mirror
ast-07-p08a Remake of Secondary Mirror
ast-07-p09 Roughing Out Mirror Hanger
ast-07-p10 Fine Machining of Mirror Hanger
ast-07-p11 Stud & Keeper for Secondary Mirror
ast-07-p11a Stud & Keeper for Secondary Mirror (Remake)
ast-07-p12 Parts for Mirror Cell, 1
ast-07-p13 Parts for Mirror Cell, 2
ast-07-p14 Parts for Mirror Cell, 3
ast-07-p15 Parts for Mirror Cell, 4
ast-07-p16 Secondary Mirror: Flexures and Cables
ast-07-p17 Parts for Mirror Cell, 5
ast-07-p18 Misc. Parts for Secondary Cell
ast-07-p19 Lateral Link
ast-07-p20 Adapters for Seconary-Mirror Cell
ast-07-p21 Parts for Top-End Cover
ast-07-p22 Shims for Top End
ast-07-p23 Tools for Hindle Shell
ast-07-p24 Parts for Secondary Mirror Lifting Jig
ast-07-r01 Top-End Assembly, 1
ast-07-r02 Top-End Assembly, 2
ast-07-r03 Top-End Assembly, 3
ast-07-r04 Fabricating Secondary Mirror Cell
ast-07-r05 Machining Secondary Mirror Cell, 1
ast-07-r06 Machining Secondary Mirror Cell, 2
ast-07-r07 Machining Secondary Mirror Cell, 3
AZIMUTH DRIVE (Group 08)
ast-08-a01 General View Azimuth Drive Wheel
ast-08-p01 Az. Drive Wheel Parts, 1
ast-08-p02 Az. Drive Wheel Parts, 2
ast-08-r01 Machining Azimuth Wheel, 1
ast-08-r02 Machining Azimuth Wheel, 2
ALTITUDE DRIVE (Group 09)
ast-09-a01 Altitude Drive Wheel
ast-09-a02 Altitude Drive Strut
ast-09-a03 Brake for Altitude Drive
ast-09-p01 Altitude Wheel Parts, 1 (obsolete)
ast-09-p02 Altitude Wheel Parts, 2
ast-09-p03 Altitude Wheel Parts, 3
ast-09-p04 Altitude Wheel Parts, 4 (obsolete)
ast-09-p05 Altitude Wheel Parts, 5 (obsolete)
ast-09-p06 Altitude Drive Strut Parts, 1
ast-09-p07 Altitude Brake Parts, 1
ast-09-p08 Altitude Brake Parts, 2
ast-09-p09 Altitude Brake Parts, 3
ast-09-r01 Machining Altitude Drive Sector
ast-09-r02 Altitude-Drive Attachment Feet
ast-09-r03 Altitude-Drive Braces
TRACTOR DRIVE UNITS (Group 10)
ast-10-a01 Telescope Drives (Overall)
ast-10-a02 Azimuth Drives Attachment
ast-10-a03 Azimuth Slider/Brake Attachment
ast-10-a04 Altitude Drive Attachment
ast-10-a06 Tractor Clamp Spring Holder
ast-10-a07 Drive Tractor (General View)
ast-10-a08 Drive-Tractor Body
ast-10-a09 Drive Roller and Motor Assembly
ast-10-a10 Drive Clamp Assembly
ast-10-a11 Tractor Clamp Spring Holder
ast-10-a12 Remake of Azimuth Tensioners
ast-10-a13 Remake of Tilt Tensioners
ast-10-p01 Drive Parts, 1
ast-10-p02 Drive Parts, 2
ast-10-p03 Slider/Brake Parts, 1
ast-10-p04 Parts for Altitude-Drive Attachment
ast-10-p05 Altitude Drive Attachment Block
ast-10-p07 Drive Tractor Parts, 1
ast-10-p08 Drive Tractor Parts, 2
ast-10-p09 Drive Clamp Frame (obsolete)
ast-10-p10 Altitude-Drive Clamp Frame (obsolete)
ast-10-p11 Drive Clamp Parts (obsolete)
ast-10-p12 Drive Train Parts, 1
ast-10-p13 Drive Train Parts, 2
ast-10-p14 Drive Train Parts, 3
ast-10-p15 Safety Clamps
ast-10-p16 Azimuth Track Hardware, 1
ast-10-p17 Parts for Tractor Clamp Spring
ast-10-p18 Small Drive Parts
ast-10-p19 Drive Flexures
ast-10-p20 Bearing Mounting Tools, 1
ast-10-p21 Azimuth Tractor Hanger, 1
ast-10-p22 Parts for Azimuth-Drive Hanger
ast-10-p23 Tools for Dismounting Bearings
ast-10-p24 Guide-roller Mounts For Altitude
ast-10-p25 Guide-roller Mounts for Azimuth
ast-10-p26 Sleeve for Alignment Roller, 1
ast-10-p27 Sleeve for Alignment Roller, 2
ast-10-p28 Extra Pieces for Drive Tractors
ast-10-p29 Parts for New Tilt Tensioner, 1
ast-10-p30 Parts for New Tilt Tensioner, 2
ast-10-p31 Parts for Azimuth Tensioner, 1
ast-10-p32 Parts for Azimuth Tensioner, 2
ast-10-p33 Parts for Azimuth Tensioner, 3
ast-10-p34 Parts for Azimuth Tensioner, 4
ast-10-p35 Tool for Algning Motors
ast-10-r01 Azimuth Drive Attachment, 1
ast-10-r02 Azimuth Drive Attachment, 2
ast-10-r03 Azimuth Drive Attachment, 3
ast-10-r04 Machining Slider/Brake Attachment
ast-10-r05 Machining Altitude-Drive Attachment
ast-10-r06 Azimuth Slider Hardware
ast-10-r07 Fabrication of Drive Tractor Body
ast-10-r08 Machining of Drive Tractor Body, 1
ast-10-r09 Machining of Drive Tractor Body, 2
ast-10-r10 Motor-Mount Cylinder
ast-10-r11 Fabrication of Drive Clamp (obsolete)
ast-10-r12 Machining of Azimuth Drive Clamp (obsolete)
ast-10-r13 Machining of Altitude Drive Clamp (obsolete)
ast-10-r14 Base Holes in New Tilt Tensioner
MISCELLANEOUS (Group 11)
ast-11-a01 Mirror Lifting Fixture
ast-11-a03 Top-End Fixture
ast-11-a04 Top-End Fixture: Dimensions
ast-11-a05 Upper Top-End Jig
ast-11-a06 Mirror Lifting Frame
ast-11-a07 Secondary-Mirror Fixture (obsolete)
ast-11-a08 Mirror-Lifting Setup
ast-11-a09 Stay Bars for Tip (Altitude)
ast-11-a10 Primary Mirror Covers
ast-11-a11 Motor Mounts for Control Tests
ast-11-a12 Disaster System
ast-11-a13 Tool for Lifting Telescope
ast-11-p01 Lifting-Fixture Parts, 1
ast-11-p02 Lifting-Fixture Parts, 2
ast-11-p04 Parts od Lifting Frame
ast-11-p05 Top-End Fixture: Parts
ast-11-p06 Stay-Bar Attachments
ast-11-p07 Stay Bars
ast-11-p08 Mirror-Cover Parts, 1
ast-11-p09 Mirror-Cover Parts, 2
ast-11-p10 Motor Mounts for Control Tests
ast-11-p11 Reaction Wheels for Control Tests
ast-11-p12 Parts for Disaster System, 1
ast-11-p13 Parts for Disaster System, 2
ast-11-p14 Parts for Disaster System, 3
ast-11-p15 Parts for Lifting System, 1
ast-11-p16 Parts for Lifting System, 2
ast-11-r01 Stay-Bar Attachment for Base
ast-11-r02 Stay-Bar Attachment for Tube
ast-11-r03 Mirror-Cover Fabrication, 1