1 SSA Module Assembly ANNEX 0 - Assembly sequenceFred Kamphues 9/9/2016

2 Outline SSA Module Assembly (M1S-100-01200) assembly sequenceThis is not a procedure, but a set of photos and comments, showing the assembly sequence. Vendor is free to optimize the assembly for production. TMTPO staff will provide on site training during first SSA Module Assembly.

3 SSA Assembly sequence SSA Module Assembly steps:WH Actuator assembly (21x) Whiffletree assembly (3x) Moving Frame to Tower Alignment Moving Frame and Whiffletree assembly Tower and Lock installation

4 1. WH Actuator assembly Detailed assembly sequence in Annex 1Different orientations of WH Mounting Plate (for cable routing) Different spacer numbers for each WH ID#

5 1. WH Actuator assembly WH ID# on SSA Module Assembly

6 2. Whiffletree assembly Whiffletree Fixture M1S-910-00400Locates Small Triangles w.r.t. Middle Triangle Allows WH integration

7 2. Whiffletree assembly Detailed assembly sequence in Annex 2WH Actuator installation Counterbalance Arms installation WH Leaf Spring installation Sheet Flexure installation Inner Triangle Whiffletree Assembly Fixture M1S Rev- Middle Triangle Outer Triangles Installation of pivots

8 3. Moving Frame to Tower AlignmentMoving Frame to Tower Alignment Tool M1S Set height of Moving Frame Lock Bushings

9 3. Moving Frame to Tower AlignmentTower, Moving Frame and Locks in Alignment Fixture (FDR) Place Tower on Alignment Fixture Place Moving Frame on Fixture with Lock Bushings loosely installed Install Locks and rotate to locked position Apply downward force to top of Lock Bushing and torque M6 Screws (2 per Bushing) Remove Locks & mark each locks position Remove Moving Frame, match drill two Bushing M5 holes and pin Remove Tower Results in matched set (Tower, Moving Frame and 3 Locks) Moving Frame and Lock Bushing Tower 3X Lock Moving Frame to Tower Alignment Fixture

10 3. Moving Frame to Tower AlignmentDetailed assembly sequence in Annex 3 Set height of Moving Frame Lock Bushings Pinning of Moving Frame Lock Bushings

11 4. Moving Frame and Whiffletree assemblyInstallation of Lateral Guide Flexure

12 4. Moving Frame and Whiffletree assemblyMoving Assembly Fixture M1S Locates Moving Frame w.r.t. Whiffletrees Allows WH integration completion

13 4. Moving Frame and Whiffletree assemblyInstallation of Moving Frame/Lateral Guide Flexure assembly Detailed assembly sequence in Annex 4 Moving Frame to Middle Triangle Pivot installation Raise Moving Frame and connect Pivots Complete WH installation Whiffletree installation Moving Assembly Fixture

14 5. Tower and Lock installationDetailed assembly sequence in Annex 5

15 Acknowledgements Acknowledgements:The TMT Project gratefully acknowledges the support of the TMT collaborating institutions. They are the California Institute of Technology, the University of California, the National Astronomical Observatory of Japan, the National Astronomical Observatories of China and their consortium partners, the Department of Science and Technology of India and their supported institutes, and the National Research Council of Canada. This work was supported as well by the Gordon and Betty Moore Foundation, the Canada Foundation for Innovation, the Ontario Ministry of Research and Innovation, the Natural Sciences and Engineering Research Council of Canada, the British Columbia Knowledge Development Fund, the Association of Canadian Universities for Research in Astronomy (ACURA) , the Association of Universities for Research in Astronomy (AURA), the U.S. National Science Foundation, the National Institutes of Natural Sciences of Japan, and the Department of Atomic Energy of India.