11-3
ZRA_Aero Z Owner’s Manual
OM_ZRA_Aero Z_0913RevA
CHAPTER 11: CASTERS And FORKS
Adjusting the Front Seat Height on Slipstream Single-Sided Forks
Tools needed:
• 5/8” 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 5” or 6” casters.
1. Remove the caster. See “Slipstream Single-Sided Forks - Replacing Casters” on page 11-2.
2. Using the shaft of the screwdriver, remove the E-Ring by pressing downward across the open portion of the
E-Ring (see Figure 11-3). The E-Ring will spring off of the axle, you must wear protective eyewear.
3. Using the 5/8” 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 11-2.
7. Follow Steps 1 through 6 on the opposite fork.
IWARNING
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.
IWARNING
The threads on the axles are treated with Vibra-TITE
®
VC-3, a locking and sealing coating, to reduce the possibility
they will become loose. You should be able to remove and reinstall these axles approximately four times without
reapplying the coating. If you repeatedly remove and reinstall these axles, TiLite requires that you reapply Vibra-
TITE
®
VC-3 after every fourth adjustment.
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.
Figure 11-3
Slipstream Single-Sided Fork Assembly
Single-Sided
Fork
Axle
E-Ring
Floating Casters
Tools needed:
• 3/16” Allen Wrench
• 5/32” Allen Wrench (ZRA)
• 1/8” Allen Wrench (Aero Z)
• Wood Block (1” Minimum)
• Drafting Triangle
• Ruler or Measuring Tape
• Rubber Mallet
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