TM-5-5420-279-10
Ensure that the A-frame is fully folded open.
Press and hold A-frame FOLD DEPLOY button - Insert all possible pins.
Press and release the A-frame FOLD PARK button, insert pin. Try a
maximum of 3 times then fully fold and deploy A-frame again.
After the mission is complete, maintenance should re-shim the A-frame fold
stop blocks.
15. Remove far bank support feet from stowed position.
16. Rotate A-frame and shootbolt.
Carry out standard checks. (R clips, pins etc.)
Check that the removable mudguards are removed.
Is A-frame fully unfolded carry out lights check on operators panel.
Are the A-frame rotate shootbolts fully retracted?
Press and hold the A-frame ROTATE DEPLOY button - release and allow
final stage of rotation to occur. The rotate cylinders are damped at the end of
their stroke; they may take time to deploy if the hydraulic oil is cold.
Caution
Do not press A-frame Rotate PARK button with one shootbolt inserted.
Check the security of the A-frame rotate shootbolt housing - tighten the
securing bolts if necessary or report defective bolts to maintenance.
Check the alignment of both shootbolt housing holes.
♦ If misalignment is fore and aft then maintenance should re-shim A-frame
stop pads. Report defect to maintenance.
♦ If misalignment is vertical then check for excessive hinge bush wear.
Report defect to maintenance.
Check the rotate cylinder mounting points to ensure pins are in place and
secure.
If cylinders appear to be functioning correctly check for any mechanical
obstruction, check all rotate hinge points, clean and lubricate. Report defect
to maintenance.
17. Extend far bank support.
Ensure that the lower shootbolt is fully retracted.
If far bank support lower shootbolt can not be retracted:
♦ Check R clip is removed and the weight of far bank support is fully taken
by the tail lift. DO NOT apply too much pressure as excessive pressure
will trap the shootbolt.
18. Add far bank support feet.
WARNING
CRUSH HAZARD. DO NOT INSERT FINGERS IN PIN HOLES, WHEN CLEANING
OUT ACCUMULATED DIRT USE A SUITABLE TOOL. SEVERE INJURY CAN
RESULT IF THIS INSTRUCTION IS NOT ADHERED TO.
Is there any dirt build up in the socket of the lower pivot beam restricting
insertion? Clean the dirt from the socket of the lower pivot beam.
Can the catch on the far bank support pivot beam be fully retracted to allow
insertion of the ball on the far bank support pad? If not inspect catch for
damage/deformation. Report any defect to maintenance.
19. Release twist locks.
Ensure that the launcher is fully seated on the twist locks.
A-frame
stabilizers should not be on the ground.
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