TM-5-5420-279-10
Ensure vehicle transmission is set to LOW, and TRANSFER LOCK UP is
engaged.
If the A-frame support pads slide on soft ground, place anchorage spikes
around the rear edge of the pads (edge facing the bridge) to stop sliding.
Check the left, right and central energy chains do not foul the slide frame or
chassis. Report any damaged links to maintenance.
Extend the slide frame and re-align vehicle. Report any damaged links to
maintenance.
Check that the A-frame has not been prematurely lowered. Raise A-frame if
required.
Ensure that the tail lift is raised sufficiently to clear the bridge.
Check the slide frame wear pads for thickness. Report wear to maintenance.
Check slide frame sections for severe damage. Report damaged sections to
maintenance.
111.
Fully lower A-frame onto chassis twist locks.
Have A-frame stabilizer leg pins been removed?
Are twist lock handles pointing outboard (red handle faces away from vehicle
chassis).
Are the upper and lower twist lock halves in line, within 5-6 inches laterally
across the vehicle?
♦ Lower one A-frame stabilizer, to throw the A-frame over to align twist lock
halves at one side.
♦ If twist locks will not align raise A-frame, partially extend slide frame and
then close slide frame aligning twist locks as the vehicle reverses.
Check the A-frame stabilizer leg cylinder mounting points to ensure pins are
in place and secure.
Check for any significant distortion of A-frame leg and stabilizer for damage.
Report defect to maintenance.
112.
Lock twist locks.
Check that the A-frame is fully lowered with the stabilizer feet clear of the
ground.
Raise the A-frame clear of twist lock and check for free rotation of twist lock.
If seized clean and lubricate. If seized, report seizure to maintenance.
If free, check the upper twist lock housing for debris/distortion. Clean as
required. Report any damage to maintenance.
113. Support far bank support with tail lift.
114. Drive vehicle clear of bridge.
115. Deploy home bank approach ramps.
See Procedure 97.
116. Turn rotary switch to position 2.
117. Lower tail lift and remove far bank support feet.
Tail lift will not lower.
If the tail lift will not lower check for obstruction. Clear obstruction.
Use the manual over ride valves on swing cylinders to lower tail lift. Refer to
Chapter 7 paragraph 7.20.
Far bank feet can not be removed.
Check the release catch for deformation/debris. Clean any debris from the
release catch. Report any damage to maintenance.
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