ultracomfort Leisure UC211, Service Manual

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REVA_040412
8
Back Assembly Replacement (500-lb. and 3-position)
Tools needed:
7/16 inch socket wrench
1. Press the Up Button on the hand control until the footrest is about parallel to the floor.
2. Unplug the transformer from the wall outlet.
3. Using the 7/16 inch socket wrench, remove the two (2) flange lock nuts located on both sides of
the back.
4. Pull the back flap away from the Velcro.
5. Work the back assembly out one side at a time pulling the threaded studs out of the scissor
mechanisms.
6. Install new back.
Control Box Replacement (500-lb. only)
Tools needed:
wire cutters, replacement zip ties, and a chair stand.
1. Unplug the transformer from the wall outlet.
2. Unplug the battery backup cable from the transformer.
3. Gently push the chair over onto the footrest, turn it upside down or, gently push it over onto its
side, opposite of the hand control.
4. Unplug the motor(s), hand control extension, and battery backup from the control box.
5. Cut the wire ties that fasten the control box and the motor(s) to the lift frame and remove it.
6. Use wire ties to fasten a new control box onto the lift frame.
7. Plug the motor(s), hand control extension, and battery backup into the new control box.
8. Gently turn the chair back over.
9. Plug the battery backup cable into the transformer.
10. Plug the transformer into the wall outlet and test.
Lift Motor Replacement
Tools needed:
needle nose pliers, zip ties, and a chair stand.
1. Unplug the transformer from the wall outlet.
2. Unplug the battery backup cable from the transformer.
3. Gently push the chair over onto the footrest, turn it upside down or, gently push it over onto its
side, opposite of the hand control.
4. Unplug the motor(s) from the control unit (540M26) or from the hand control extension and the
transformer.
5. Remove the hitch pin and the clevis pin that fastens the bottom of the motor(s) to the lift frame.
6. Remove the hitch pin, the clevis pin, washers, and spacers that fasten the top of the motor(s) to
the recline straps.
7. Use the hitch pin and clevis pin to fasten the bottom of the new motor to the lift frame.
8. Use the hitch pin, clevis pin, washers, and spacers to fasten the top of the lift motor to the recline
straps.
9. Connect the new motor(s) to the control unit.
10. Turn the chair over onto the lift frame.
11. Plug the battery backup cable into the transformer.
12. Plug the transformer into the wall outlet and test.