L401 & L404 OPERATION INSTRUCTIONS 4. Detailed Operation Instructions • 17
4.3 Lift Operation
Raising the Lift
Check the lift and immediate area for obstructions.
Check that the turning angle gauge and runway slip plate lock pins are installed.
Press and hold “RAISE” button.
The pump will begin to operate, raising the lift.
NOTE: To place the lift at alignment height, raise the runways so the
striped decal on the front of the runway is just above the
striped decal on the right front post.
Release “RAISE” button when lift reaches desired height.
The pump will shut off and the lift will stop.
Wait at least 3 seconds after releasing “LATCH RETRACT” button then press and
hold “LOWER” lever until lift lowers and all four corners are at the same level.
If one or more corners of the runways continue to descend after another corner
has stopped, release the “LOWER” lever. Press and hold “RAISE” button to
raise the lift slightly higher. Wait 3 seconds after releasing “RAISE” button then
press and hold “LOWER” lever.
RAISE
BUTTON
LOWER
LEVER
LATCH
RETRACT
BUTTON
LATCH
RETRACT EYE
INDICATOR
Power Unit
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