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CHAPTER 11: CASTERS, FORKS AND CASTER PIN LOCKS
Adjusting the Front Seat Height – Standard Forks
You can adjust the front seat height of your chair up or down without changing the casters to a larger or smaller size.
Follow the procedures under "Standard Forks – Replacing Casters" on page 11-1 to mount the casters in the alternative
axle holes in the fork. The full range of adjustability will not be available with 13 cm or 15 cm casters. Additional adjustability
may be achieved with different forks or casters or with fork stem extensions. Contact Permobil Manual Customer Service
for assistance.
Adjusting the Front Seat Height – Slipstream Single-Sided Forks
Tools needed:
•
16 mm Open End Wrench
•
Screwdriver
You may be able to adjust the front seat height of your chair up or down without changing the casters to a larger or smaller
size. The full range of adjustability will not be available with 13 cm or 15 cm casters. Note that the left caster axle is left hand
threaded, while the right caster axle is right hand threaded.
1. Remove the caster. See "Slipstream Single-Sided Forks – Replacing Casters" on page 11-4.
2. Using the shaft of the screwdriver, remove the E-Ring by pressing downward across the open portion of the E-Ring.
The E-Ring will spring off of the axle, you must wear protective eyewear.
3. Using the 16 mm Open End wrench, remove the axle from the Single-Sided Fork.
4. Place the axle in the alternate axle hole and securely tighten.
5. Using the shaft of the screwdriver, replace the E-Ring by pressing downward across the closed portion of the E-Ring,
snapping the E-ring into place.
6. Replace the caster. See "Slipstream Single-Sided Forks – Replacing Casters" on page 11-4.
7. Follow Steps 1 through 6 on the opposite fork.
I
WARNING
Always use identical axle holes on both sides of your chair.
If you ignore this Warning, you may fall, tip over or lose control of the wheelchair and seriously injure yourself or others
or damage the wheelchair.
I
WARNING
The threads on the screws that secure the casters to the fork and the axles are treated with Vibra-TITE
sealing coating, to reduce the possibility they will become loose. You should be able to remove and reinstall these screws and
axles approximately four times without reapplying the coating. If you repeatedly remove and reinstall these screws or axles,
Permobil Manual requires that you reapply Vibra-TITE
If you ignore this Warning, you may fall, tip over or lose control of the wheelchair and seriously injure yourself or others
or damage the wheelchair.
Permobil Aero Z & ZRA Owner's Manual
VC-3 after every fourth adjustment.
®
Figure 11-5
Single-Sided Fork
Fork
E-Ring
11-5
VC-3, a locking and
®
Axle
OM0004-ENGLISH_Rev E_Aero Z_ZRA
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Troubleshooting
