Figure 2-23.--Operating controls (SJU-17(V)3/A and 4/A).
Shoulder Harness Control System
in the rear lower RH side of the seat bucket. The handle
is locked in the down position by a catch operated by a
The shoulder harness control lever is attached to
thumb button at the forward end of the handle;
the LH side of the seat bucket and is connected by a
depression of the thumb button allows the handle to be
linkage, torque tube, and rod to the shoulder harness
rotated rearward. Handle operation when the seat is
reel. When the lever is in the forward position the
installed is restricted by the pin puller so it releases only
shoulder harness reel is locked, preventing all forward
the lower torso restraint and leg restraint lines to permit
movement of the seat occupant. When moved to the
emergency ground egress. On ejection, the pin puller is
rear position, the seat occupant is free to move forward
automatically disengaged from the handle-operating
and aft at will; should the seat occupant move forward
link. Operation of the emergency restraint release
rapidly, however, the shoulder harness reel will lock
handle simultaneously operates the SAFE/ARMED
until the load on the webbing straps is eased. To operate
handle to the SAFE position. In the unlikely event of
the control, the lever is moved along a quadrant until a
automatic sequence failure, operation of the emergency
spring-loaded plunger engages in either one of two
restraint release handle subsequent to ejection will fire
positions in the quadrant backplate. The lever will
a cartridge to operate the upper and lower harness locks
automatically engage where selected.
and the parachute deployment rocket motor.
2-21
