CAP ASSEMBLY, ELECTRON TUBE AND COLLAR INSTALLATION (CONT)
Using your hand, turn green ring (1) on the eyepiece assembly (2) to center of its range.
Using 0.035"' Allen wrench, loosen two setscrews (3) and turn index (4) until index mark
(5) is centered in up position.
Using Allen wrench, tighten two setscrews (3).
Connect power supply (Vol I, Para 2-4) to infrared body assembly (6). Set voltage to
24 VDC. Turn rotary seitch (7) to '24V ON'.
Place dioptometer onto eye lens (8) and while looking through dioptometer, turn knurled
knob (9) until reticle (10) is sharp and clear (JPG).
Using Allen wrench, loosen three setscrews (11).
Turn scale (12) until zero is centered on index mark (5).
Using 0.035" Allen wrench, tighten three setscrews (11).
Remove dioptometer from eye lens (8).
Set rotary switch (7) to OFF.
Set voltage to 0 VDC. Disconnect power supply (JPG).
END OF TASK