Invacare CT7A user manual Removing/Installing the Back Frame

8.6 Removing/Installing the Back Frame

Removing

1.Fold the back down. Refer to Unfolding/Folding the Back on page 41.

2.Loosen rear seat upholstery screw and short mounting screw but DO NOT remove.

3.Remove the two mounting screws, plastic washers, coved spacers, washers, and lock nuts that secures the back angle plates to the seat rails.

4.Remove the back assembly from the wheelchair.

		8	BACK
	Back Frame	Rear Seat Upholstery
Back Angle
		Mounting Screw (Not
Plate
		Shown)
			Long
		Mounting
	Locknut		Screw
	Washer		Plastic
			Washer

Installing

1.Place back assembly on wheelchair frame in folded position. Refer to FIGURE 1 on page 42.

2.Install the long mounting screw through plastic washer, back angle plate, cover spacer and seat rail.

3.Install washer and locknut onto long mounting screw.

4.Perform STEPS 1- 3 for remaining back angle plate.

5.Tighten long mounting screw enough to secure the back to the seat rail, while allowing the back to fold properly.

6.Securely tighten the locknut on the long mounting screw while holding the long mounting screw from rotating.

7.Securely tighten the short mounting screw and rear seat upholstery mounting screw.

8.Repeat STEPS 17 - 18 for remaining back angle plate.

9.Unfold back to upright position. Refer to Unfolding/Folding the Back on page 41.

Part No 1167484

Short Mounting

Screw

Coved Spacer Seat Rail

Back shown in upright position and seat upholstery not shown for clarity of hardware location.

FIGURE 11 Removing/Installing the Back Frame

55 Invacare® Crossfire™T7A Wheelchair