Invacare TRACER EX2 User Manual download pdf (Page 50)

9 FRONT CASTERS

Invacare

Tracer™ EX2 Wheelchair 50 Part No 1110546

9.2 Adjusting Forks

1. To properly tighten caster journal system and guard against flutter, perform the following check:

A. Tip back of wheelchair to floor.

B. Pivot both forks and casters to top of their arc simultaneously.

C. Let casters drop to bottom of arc (wheels should swing once to one-side, then IMMEDIATELY rest in a straight downward position).

D. Adjust locknuts according to freedom of caster swing.

E. Repeat STEPS C-D until wheels swing once to one-side, then IMMEDIATELY rest in a downward position.

2. Test wheelchair for maneuverability.

3. Readjust locknuts if necessary, and repeat STEPS 1-2 until correct.

4. Snap dust cover over the locknut and stem.

9.3 Replacing Front Casters

1. Remove the hex screw, washers and locknut that secure the front

caster to the fork.

2. To reinstall the new front caster onto the fork, reverse step 1.

FIGURE2 Replacing Front Casters



WARNING

Make sure both front casters are the same size and are

installed into the same respective mounting hole before

using the wheelchair, otherwise injury may occur.



Note the mounting position on the fork assembly for

proper reinstallation of the new front caster.



Washers are only used with 8 inch casters with

precision bearings.

Locknut

Front Caster

6 or 8-inch

Fork

Hex Screw

Washer

(if applicable)

Washer

(if applicable)

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Invacare TRACER EX2 User Manual Page 50