2-11. TADS NSA INSTALLATION ON NIGHTSIDE TEST BENCH. (CONT)
(7) Grasp handles (1, figure 2-10) of handling fixture (2) and edges of base assembly (3) and
reposition TADS NSA on workbench with NSA resting on handling fixture. Base assembly
should be hanging off the side of workbench.
(8) Remove base assembly as follows:
Two types of base assemblies are used with the inner case of the NSA shipping
and storage container. Type B has a support plate attached to the base
assembly with two bolts. Type A has no support plate.
Do step (a) for Type A base assembly.
Do step (b) for Type B base assembly.
(a) Hold base assembly in place and loosen clamp pin assembly (4) until clamp halves are
clear of mounting flange.
(b) Hold base assembly in place and loosen clamp pin assembly (4) until clamp halves touch
bolt heads (5).
(c) Carefully disengage base assembly guide pins (6) from TADS NSA mounting flange guide
(d) Remove base assembly.
(9) Reassemble shipping and storage container as follows:
(a) Install case assembly (1, figure 2-11) on base assembly (2).
(b) Engage and lock latches (3).
(c) Grasp handles (4) of case assembly and place in shipping and storage container (5).
(d) Install container cover and close latches (6).
c. TADS NSA and Insert/Adapter Installation on Nightside Test Bench 2A3.
Exercise caution when handling TADS NSA. Do not touch optic lens or large
mirror assembly. When placing TADS NSA on workbench, ensure that it is
resting on its ballast plates. Do not rest TADS NSA on mirror assembly. This
could cause damage.
Remove alinement tool from insert/adapter before mounting TADS NSA on
insert/adapter if it is in place.