Invacare Wheelchair Pronto M91 Base User Manual
Page 48
SECTION 6—SEAT
Pronto® M91™Base with SureStep®
48
Tilting the Seat Assembly Back
1. Place the wheelchair in a well ventilated area where work can be performed without
risking damage to carpeting or floor covering.
2. Use the tilt function to tilt the seat back 20° to 25°.
3. Verify the joystick On/Off switch is in the Off position and disconnect joystick cable.
4. Engage the motor release levers. Refer to Engaging/Disengaging Motor Release Lever
5. Remove the footboard. Refer to Removing/Installing the Footboard Assembly on
6. Remove the two screws and washers securing the Formula PTO Plus frame to the front
seat posts.
7. Firmly grasp the front edge of the seat assembly, slowly tilt the seat assembly back into
the up/open position.
8. Remove prop rod from the clip located on the Formula PTO Plus frame and engage
the prop rod end into the front seat post as shown in FIGURE 6.2.
9. Gently allow weight of seat assembly to be supported by the prop rod.
NOTE: Only leave the seat assembly in the up/open position while performing any necessary
procedures. Always lower the seat assembly to the down/closed position when not servicing the
wheelchair and ensure it is in the locked position before using.
Tilting the Seat Assembly Forward
1. Using one hand, firmly grasp the front edge of the seat assembly and lift until seat
assembly is no longer supported by the prop rod.
2. Disengage the prop rod from the front
seat post and secure into clip.
3. Using both hands, slowly tilt the seat
assembly
Forward
into the Down/
Closed position.
ƽ WARNING
Ensure the two screws are fully engaged
and the Formula PTO Plus frame is
securely locked in place before use -
otherwise injury or damage may result.
4. Insert the two screws through the
washers, the Formula PTO Plus frame
and the two front seat posts.
FIGURE 6.2 Tilting the Seat Assembly
Formula PTO
Plus Frame
Screw
Washer
Prop
Rod
Clip
Front Seat Post
Mounting Hole