Arjohuntleigh Maxi Sky 2, Maintenance And Repair Manual

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8 - 8
PM
code Description
What to do/What to check
D
Limit switch
Verify functionality
1. Press and hold the Up button until the lift stops at the top of its stroke.
2. Press and hold the Down button until the stops at the end of its stroke of the
lift (lower limit).
WITH THE DOWN FUNCTION, ALWAYS KEEP TENSION (AT LEAST
THE WEIGHT OF THE 2 HOOKS SPREADER BAR) ON THE STRAP.
THIS WILL PREVENT THE DOWN FUNCTION FROM STOPPING.
NOTE
For MS2 Plus only
Set the product in dual then perform step 1 and 2 during which both sides of the
spreader bar (leg end and foot end) should raise at the same speed.
3. Remove tension on the leading ceiling lift strap and press the DOWN button:
down motion stops for both straps.
4. Remove tension on the driven ceiling lift strap and press DOWN button: down
motion stops for both straps.
Sit / Recline (For MS2 Plus Only)
Verify functionality
1. Press and hold RECLINE button: The end of the spreader bar, with the feet
logo, moves up. If it doesn’t spreader bar installation is inverted.
2. Press and hold SIT button: The end of the spreader bar, with the feet logo,
moves down. If it doesn’t spreader bar installation is inverted.
3. Ensure that the stroke of the spreader bar end, with feet logo, (which is limited
by software) is symetrical in regards to the spreader bar end with head logo
and is in the range of 350 mm (+/-25).
Vibration noise from spreader may occur during test.
Trolley and Left/Right transmission
Verify general functionality of
the trolley
1. Check trolley and wheels for damage, rust or cracks.
2. Wheels shall rotate freely.
For MS2
4 functions only:
• Press and hold the left/right button and pay attention for any abnormal noise
along the rail path.
For MS2 Plus only:
3. Ensure system rotates 360° in both directions without restriction.
4. Ensure both MS2 ceiling lifts:
- are secured to the trolley with lock and bolt.
- can swivel freely.
001-15697 rev
. 5