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©2006 Sunrise Medical
POWER BASE SECTION
Remove the Bridging Plate by removing the four nuts,
bolts and washers that attach it to the motor mount
assembly (fi g 1.37)
The Motor Gear Box assembly can now be removed
from the chair (fi g 1.38).
Reinstallation: Reverse above steps.
Torque motor mounting bolts and Bridging Plate bolts to
16-20 Newton Meters (12-15 ft-lbs).
Torque drive wheel lug nuts to 47.5-54 Newton Meters
(35-40ft-lbs).
Note: Always use new cotter pins.
Motor Removal and Replacement Groove cont.
Fig 1.37
Fig 1.38
The Freewheel Mechanism
Fig 1.39
Rhythm Free Wheel Assembly
Free Wheeling
Engaged
Fig 1.39
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