90. Stow tail lift.
Retract sliding sections.
Check for any deformation of walkway surface, which would impede sliding.
Report deformation to maintenance.
Check for any dirt build up in the central section of the platform. Strip the
sliding section out and clean.
Check that the deck surface is clear of obstruction and dirt. Clean as
Check for integrity and deformation of folding section hinge. Report any
damage to maintenance.
91. Deploy A-frame support struts and lower A-frame.
Check for deformation of strut hinge connection. Report any deformation to
Have both upper A-frame top pins been removed? If not, remove both A-
frame top pins.
Check A-frame raise cylinder mounting points to ensure pins are in place
and are secure.
If excessive noise is heard during lowering, check the wear pads on upper A-
frame sliding sections. Report wear to maintenance.
Check for obvious signs of A-frame leg distortion. Report any A-frame leg
distortion to maintenance.
92. Re-attach articulator cylinders.
Deploy articulator cylinders. (Ensure that the chest pack is set to ARTIC
Check for seizure of the articulator cylinder to launch beam drive upper pivot.
Report any defects to maintenance.
Attach articulator cylinders.
Ensure that the articulator cylinder shootbolts have been fully retracted.
Shootbolt/s will not insert (this operation carried out in FAR BANK SEAT
♦ Move the chest pack right hand joystick rearward and extend the
articulator cylinders. As they extend align the articulator cylinders with the
shootbolt guide, aim the clevis to contact the guide on the tapered portion
of guide. Continue to hold the chest pack right hand joystick until no
further movement of the articulator cylinders can be seen. If both
shootbolts insert continue operations.
♦ If one shootbolt can be inserted.
Leave the shootbolt inserted. Apply light pressure to the stuck
shootbolt handle and slowly move the chest pack right hand joystick
forward. Release the chest pack right hand joystick when the shootbolt
can be inserted. Should the slide frame cross beam start to show signs
of taking load prior to the shootbolt becoming loose, or the clevis is
obviously above the housing, move the chest pack right hand joystick
rearward while attempting to insert the shootbolt. Repeat procedure
until the shootbolt can be inserted. Insert shootbolt.
Report difficulty in inserting shootbolt to secure articulator cylinder to
maintenance so that re-shimming of the cylinder attachment guide can
be carried out at the next opportunity.
♦ If both shootbolts can NOT be inserted.
Apply light pressure to the stuck shootbolt handles and slowly move
the chest pack right hand joystick forward. Release the chest pack right
hand joystick when one shootbolt can be inserted.