FSM-300 or FSM-320 Fast Steering Mirror & FSM-CD300B ...
FSM-300 or FSM-320 Fast Steering Mirror & FSM-CD300B ...
FSM-300 or FSM-320 Fast Steering Mirror & FSM-CD300B ...
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22 Unpacking the <strong>FSM</strong><br />
4.3 St<strong>or</strong>ing and Shipping the Mirr<strong>or</strong> Head<br />
When the mirr<strong>or</strong> head is not in use, replace the oval protective cover so that<br />
it covers and protects the mirr<strong>or</strong>. If you ever have to ship the mirr<strong>or</strong> head,<br />
also reposition the lens tape.<br />
4.4 Replacing the Mirr<strong>or</strong><br />
The <strong>FSM</strong> is designed so that the user can replace the mirr<strong>or</strong> assembly in the<br />
event that the <strong>or</strong>iginal mirr<strong>or</strong> has been damaged <strong>or</strong> different spectral<br />
characteristics are required. <strong>FSM</strong> mirr<strong>or</strong>s bonded to a metal carrier are<br />
available from Newp<strong>or</strong>t as subassemblies. Hex wrenches are required tools<br />
f<strong>or</strong> mirr<strong>or</strong> removal and reinstallation. The <strong>FSM</strong>-<strong>300</strong> requires 0.050” hex<br />
wrenches. The <strong>FSM</strong>-<strong>320</strong> requires 1/16” and 5/64” hex wrenches. Use of<br />
Loctite 222 thread locker on mounting screws is recommended.<br />
Figure 7: Replacement of <strong>FSM</strong>-<strong>300</strong> mirr<strong>or</strong> carrier.<br />
To remove the mirr<strong>or</strong> carrier, first remove the front protective cover plate.<br />
To do so, remove the four retaining socket head cap screws using the<br />
appropriate hex wrench. Then remove the mirr<strong>or</strong> carrier. To do so, remove<br />
the four retaining socket head cap screws using the appropriate hex wrench.<br />
Reverse the process to install the new mirr<strong>or</strong> carrier. Application of Loctite<br />
222 thread locker to each of the mounting screws is recommended.<br />
CAUTION<br />
The mirr<strong>or</strong> surface is extremely delicate. Wear latex gloves to<br />
minimize the possibility of fingerprints. Be extremely careful not<br />
to scratch the mirr<strong>or</strong> surface with the wrench <strong>or</strong> cap screws.
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