TM-5-5420-279-10
40. Raise A-frame.
Have both upper A-frame pins been removed?
Have the articulator cylinders been disconnected and stowed?
Check both A-frame raise cylinder mounting points to ensure pins are in
place and secure.
If excessive noise is heard during A-frame raise check wear pads on upper
A-frame sliding sections. Report wear to maintenance.
Check for obvious signs of A-frame leg distortion. Report any distortion to
maintenance.
41. Stow A-frame support struts.
Check for deformation of strut hinge connection. Report any distortion to
maintenance.
42. Reconfigure walkways to bridge build configuration.
Check for deformation of walkways, attachment features and dirt build up in
holes. Replace any damaged walkways, clean any dirt from walkway holes.
43. Deploy tail lift.
Unfold platform.
Are all rubber straps released?
Check for integrity and deformation of the folding section hinge. Report
deformation to maintenance.
Extend Sliding Sections.
Check for deformation of walkway surface which would impede sliding.
Report deformation to maintenance.
Check for dirt build up into the central section of the platform. Pull the sliding
section out and clean.
44. Deploy tilt rollers.
Check all shootbolts for ease of use. Report any defect to maintenance.
Check the tilt roller pivot for seizure/deformation. Report seizure/deformation
to maintenance.
Check tilt roller head pivot for seizure. Report seizure to maintenance.
45. Add 4 removable rollers and end beam guides.
Removable rollers.
Ensure that the removable rollers are placed at the white markers on the
inside of section 2 of the slide frame.
Ensure section 2 of the slide frame is clean and the removable roller
connection slot is clean.
Check for excessively worn edges on the removable roller connection slot.
Report any wear to maintenance.
Check the edges of the slide frame in the area of the white marks for
excessive edge damage. Report any damage to maintenance.
End beam guides.
Check for deformation of the main body and L shaped connection slot.
Report any damage to maintenance.
Check the operation of the latch.
Check for deformation of connection spigots on section 3 of the slide frame.
Report any damage to maintenance.
46. Place end beam on guides.
Check that the end beam guide locking arms rotate freely. Report any
damage to maintenance.
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