Removing/Installing The Surestep Springs - Invacare Pronto M71 Service Manual

SECTION 8—SHROUDS/FRAME

Removing/Installing the SureStep Springs

NOTE: For this procedure, refer to FIGURE 8.3 on page 79.
NOTE: To ensure proper operation of the SureStep feature, it is recommended that all four springs
be replaced at one time.
NOTE: If necessary, stretch the spring slightly to remove or install mounting hardware.
NOTE: If replacing springs, use new springs when performing STEPS 4 and 6.
NOTE: Take note of the position and orientation of spring and mounting hardware for proper
reinstallation.
1. Remove the seat. Refer to Removing/Installing the Seat Assembly on page 30.
2. Remove side shroud. Refer to Removing/Installing the Shrouds on page 74.
3. Perform the following to remove the front spring:
A. Loosen and remove the bolt and locknut securing the upper spring loop to the
upper mounting bracket.
B. Loosen and remove the bolt and locknut securing the lower spring loop to the
lower mounting bracket.
4. Perform the following to install the front spring:
A. Install the lower spring loop into the lower mounting bracket and secure with bolt
and locknut.
B. Install the upper spring loop into the upper mounting bracket and secure with bolt
and locknut.
5. Perform the following to remove the rear spring:
A. Loosen and remove the bolt and locknut securing the upper spring loop to the
mounting bracket.
B. Remove the lower spring loop from the hook bracket.
6. Perform the following to install the rear spring:
A. Place the lower spring loop in the hook bracket.
B. Install the upper spring loop into the upper mounting bracket and secure with bolt
and locknut.
7. Securely tighten all hardware.
8. Reinstall side shroud. Refer to Removing/Installing the Shrouds on page 74.
9. If necessary, repeat STEPS 1-8 to replace springs on remaining side frame assembly.
10. Install the seat. Refer to Removing/Installing the Seat Assembly on page 30.
Pronto® M71™
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Part No 1118377