NIGHT VIEWER ACCESS DOOR AND SEAL REPLACEMENT (Sheet 4 of 5)
Place shim (G) and spring (H) onto shaft
of access door (D). - -
Carefully insert shaft of access door (D)
through bushings in cupola (C).
Push access door (D) down a few times
to seat all components, then use second
person to stand on access door (D) to
hold it closed.
Drive pin (J) in only far enough to
retain assembled parts.
Place shim (s) (K), spacer (L), and handle (M) on
shaft of access door (D). Retain temporarily
with pin (J).
Move handle (M) to locked position and have
second person get off access door (D).