Page 710
25-20-00
Martin-Baker
MB680
MISSION SEAT ETSO
MAINTENANCE MANUAL
(16) Move the harness lock/unlock lever to the down (LOCK) position, and connect the ball end of the
inertia reel operating cable to the harness lock/unlock lever.
(17) Make sure the ball end of the cable is correctly installed on the harness lock/unlock lever, and tighten
the knurled nut.
(18) Put the harness lock/unlock lever into position on the guard (90), and secure with the two bolts (15),
washers (20) and nuts (25).
(19) Test the operation of the two harness reel assemblies, refer to “TESTING AND FAULT ISOLATION”
on page 101.
(20) Move the guard to the closed position, and secure each side of the guard (90) to the backrest
assembly (350) with a bolt (100), spacer (105) and nut (110).
(21) Install the cover assembly (140) to the seat structure.
(22) Install the seat in the aircraft, refer to “MAINTENANCE OPERATIONS” on page 201.
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