Page 1113
25-20-00
Martin-Baker
MISSION SEAT ETSO
MAINTENANCE MANUAL
MB680
(4) Release the rotate lever and continue positioning the seat until the locking mechanism has engaged
the nearest locked position.
F. Headrest adjustment
Adjust the headrest as follows:
(1) Push the headrest LATERALLY to the right (as viewed from the rear) and hold.
(2) Tilt the headpad FORE or AFT until the required position is reached.
(3) Release the headpad to lock the headrest in position.
(4) Make sure the headrest is locked.
(5) Push the headrest into, or pull the headrest out of the backrest assembly to adjust its height. Make
sure it moves freely in and out over its full range of movement (approximately 3.1 inch) and make
sure it remains in position when released.
G. Armrest adjustment
Adjust the armrest as follows:
(1) Pull each armrest LATERALLY away from the seat centre line, clear of the backrest assembly.
(2) Move the armrests DOWN to the horizontal position.
(3) Turn the armrest screw CLOCKWISE to raise the armrest or COUNTER-CLOCKWISE to lower the
armrest.
Stow the armrest as follows:
(1) Push the armrest fully UP to a position parallel with the backrest assembly.
(2) Push the armrest behind the backrest assembly toward the centre line of the seat.
H. Lumbar cushion
Adjust the Lumbar cushion as follows:
NOTE
Lumbar cushion adjustment should be carried out after strapping-in.
(1) Make sure the harness lock/unlock lever is in the up (UNLOCK) position.
(2) Lean forward and adjust the cushion to the required position.
(3) Return to the normal seated position.
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