Pride Mobility Rock 2 Wheelchair User Manual


 
28 www.pridemobility.com Kids UP Series
LOWER PIVOT
BLOCK
INNER
BOLT
SIDE PLATE
Extension Limit and Force Adjustment (Kids
FAST)
1. Engage attendant wheel lock. See figure 7.
2. Remove the child from the wheelchair.
3. Remove shell assembly from mobility base. See
III. “Your Wheelchair.”
4. Using two 1/8-in. hex wrenches, hold the spring
securement bolt on the outside of the seat base and
turn inner bolt counterclockwise. Remove bolt and
washer. See figures 37 and 38.
5. Remove existing spring.
6. Install new spring. Be sure that the end of the
spring hooks through the side plate. Refer to spring
on opposite side to verify proper installation.
7. Reinstall bolt and washer. Tighten until bolt
bottoms out in threads.
8. Check for smooth resistance. If spring binds, it may
be necessary to loosen bolt in 0.25-in. (0.64-cm)
turn increments until action is smooth. See
figure 38.
9. Repeat procedure on opposite side. Chair will not
function properly unless springs are identical from
side to side.
10. Reinstall shell assembly and test function of
extension force springs.
Extension Limit and Force Adjustment (Kids
ROCK 2 and ROCK 3)
1. Engage the attendant or manual wheel locks. See
figure 8 or 9.
2. Remove the child from the wheelchair.
3. Remove the rear wheel.
4. Using a 5/32-in. hex wrench and a 7/16-in. nut
driver, remove the bolt from the lower pivot block
below the spring and then pull the block away from
the black plate. See figure 39.
5. Using a 3/4-in. wrench, remove the nut from below
the spring. See figure 40.
6. Remove the spacer(s) and spring seat.
7. Remove spring and replace with a different spring.
8. Install spring seat. Install spacers if desired. See
figure 40.
9. Install the nut. Make sure that there is compression
on the spring when the nut is installed.
10. Slide the lower pivot block over the end of the
round head bolt and reattach the pivot block to the
black plate.
V. COMFORT ADJUSTMENTS
Figure 37. Extension Force Spring located in the Seat
Base Side Plate (Kids FAST)
Figure 38. Changing Extension Force Spring (Kids
FAST)
Figure 39. Changing Extension Limit and Force (Kids
ROCK 2 and ROCK 3)