Page 1112
25-20-00
Martin-Baker
MISSION SEAT ETSO
MAINTENANCE MANUAL
MB680
(2) Lean back against the bias of the gas struts to move the backrest assembly to the required position.
(3) Release the recline lever and ease the pressure of the backrest assembly momentarily to allow the
locking mechanism to engage in the nearest locked position.
Return the backrest assembly to the upright position as follows:
(1) Restrain the backrest assembly against the gas struts.
(2) Lift and hold the recline lever.
(3) Allow the backrest assembly to return, under control, toward the upright position until the required
position is reached.
(4) Release the recline lever and continue to control the movement of the backrest assembly until the
locking mechanism has engaged the nearest locked position.
D. Bucket assembly height adjustment
Raise the bucket assembly as follows:
WARNING
YOU MUST SIT IN THE BUCKET ASSEMBLY WHEN YOU ADJUST THE SEAT
HEIGHT. THE BUCKET ASSEMBLY HAS TWO GAS SPRINGS AND CAN MOVE
SUDDENLY. YOU CAN BE INJURED IF YOU DO NOT SIT IN THE BUCKET ASSEMBLY
WHEN YOU ADJUST THE SEAT HEIGHT.
(1) Lift and hold the raise/lower lever.
(2) Ease the weight on the bucket assembly to allow the gas struts to extend until the required height is
reached.
(3) Release the raise/lower lever and continue to control the bucket assembly until the locking
mechanism has engaged the nearest adjacent position.
Lower the bucket assembly as follows:
(1) Lift and hold the raise/lower lever.
(2) Apply sufficient weight to push the bucket assembly DOWN against the pressure of the gas struts
until the required sitting height is reached.
(3) Release the raise/lower lever and continue to control the bucket assembly until the locking
mechanism has engaged the nearest locked position.
E. Rotation adjustment
Turn the seat as follows:
(1) Lean back in the seat.
(2) Push and hold the rotate lever backwards.
(3) Turn the seat to the required position.
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