Removing/Installing The Inner Cover; Frames; Removing/Installing The Pivot Tube; Removing/Installing The Surestep Spring - Invacare Pronto M61 Service Manual

Invacare® Pronto™ M61 Series with SureStep®

4.7.4 Removing/Installing the inner cover

Tools:
•
Phillips screwdriver
•
3/8" socket wrench
Removing the inner cover
Remove the walking beam F. Refer to 4.8.3 Removing/Installing
1.
the walking beam, page 20.
2. Remove the large screw C and locknut G securing the inner
cover A to the walking beam.
Remove the small screw B securing the inner cover to the side
3.
cover H (if present).
4. Remove the inner cover.
Installing the inner cover
Position the inner cover A on the walking beam F.
1.
2. Use the small screw B and the small mounting hole D to secure
the inner cover to the side cover H. Do not overtighten.
3. Insert the large screw C through the large mounting hole E in
the inner cover and the walking beam.
Use the locknut G to secure the inner cover to the walking
4.
beam. Do not overtighten.
5. Install the walking beam. Refer to 4.8.3 Removing/Installing the
walking beam, page 20.

4.8 Frames

4.8.1 Removing/Installing the pivot tube

Tools:
•
3/4" socket wrench
Removing the pivot tube
1. Remove the front steering head assembly. Refer to 4.6.5
Removing/Installing the steering head assembly, page 18.
2. Remove the side cover. Refer to 4.7.2 Removing/Installing the
side cover, page 19.
Remove the locknut B, two small washers A and the large
3.
washer C securing the rear of the pivot tube E to the pivot
post F.
4. Remove the pivot tube from the frame.
The front and rear bushings may fall out of the pivot tube
when it is removed. Retain these for installation.
20
Installing the pivot tube
If necessary, insert the bushings D into each end of the pivot tube.
1.
Position the pivot tube E onto the pivot post F.
2.
Ensure the opposite end of the pivot tube is parallel to
the end of the walking beam. If necessary, reposition
the pivot tube.
3. Secure the end of the pivot tube to the pivot post using the two
small washers A, the large washer C and the locknut B. Torque
with 10 Nm.
4. Install the front steering head assembly. Refer to 4.6.5
Removing/Installing the steering head assembly, page 18.

4.8.2 Removing/Installing the SureStep spring

Removing the SureStep spring
1. Unhook the SureStep spring B from the hooks on the walking
beam A and frame C.
Installing the SureStep spring
Position the SureStep spring B on the hook of the frame C.
1.
2. Position the top of the SureStep spring onto the hook on the
walking beam A.

4.8.3 Removing/Installing the walking beam

Tools:
•
1/4" Allen key
•
9/16" socket wrench
Removing the walking beam
1. Remove the front steering head assembly. Refer to 4.6.5
Removing/Installing the steering head assembly, page 18.
2. Remove the SureStep spring. Refer to 4.8.2 Removing/Installing
the SureStep spring, page 20.
3. Remove the screw A and locknut D securing the walking beam
C to the frame bracket B.
4. Remove the walking beam from the frame.
Installing the walking beam
Position the walking beam C into the frame bracket B.
1.
Secure the walking beam to the frame using the screw A and the
2.
locknut D. Torque with 31 Nm.
3. Install the SureStep spring. Refer to 4.8.2 Removing/Installing
the SureStep spring, page 20.
4. Install the front steering head assembly. Refer to 4.6.5
Removing/Installing the steering head assembly, page 18.
1590501-A