Inspect for damage. Clean and lubricate twist lock. Report any damage to
20. Remove A-frame leg stabilizer pins.
Ensure that the R clips are removed.
Carefully retract stabilizer legs to align pin holes so that pins can be
Check for obvious signs of pin and hole damage. Report any defect to
21. Extend stabilizers to clear launcher of chassis and pin.
Have stabilizer pins been removed?
Are twist locks released?
Assuming that the Hydraulic and Electrical systems are functioning correctly.
♦ Check the A-frame stabilizer cylinder mounting points to ensure pins are
in place and secure.
♦ Check for significant distortion of A-frame leg and stabilizer for damage.
Report any distortion/damage to maintenance.
22. Turn rotary switch to position 3.
23. Fully extend slide frame.
Launch vehicle wheels spin - Launch vehicle struggles to pull out slide frame
♦ Remove wheel chock blocks.
♦ Ensure that the transportation turnbuckles are not attached to the slide
♦ Ensure that the vehicle transmission is in LOW, and TRANSFER LOCK
UP is engaged.
♦ Ensure that the launcher has been raised high enough so that it is clear of
the twist locks and is at or above the A-frame height aids.
♦ If the A-frame support pads slide on soft ground, place anchorage spikes
around the front edge (edge facing the vehicle cab) of the pads to stop
♦ Have maintenance check the slide frame wear pads for thickness. Report
wear of slide frame wear pads to maintenance.
deformation/damage to maintenance.
24. Connect chest pack.
Ensure chest pack MIL connector is correctly aligned; align the dots on the
free connector and fixed connector before rotating the twisting section of the
free connector to lock connectors.
Check that both halves are round and not crushed. Report damaged
connectors to maintenance.
25. Turn rotary switch to position 4.
26. Retract relax mechanism shootbolts.
Check that the launch vehicle is straight and the slide frame is not twisted -
re-position vehicle if required.
Release the launch vehicle parking brake and let any tension in slide frame
dissipate, re-try shootbolts.
Release one shootbolt if possible, roll vehicle forward or rearward SLOWLY
until second shootbolt releases. Once mission is complete, report defect to