Invacare SP Manual

A SERVICE OF

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SECTION 9—FORKS

TDX™ SP 52 Part No 1143190

SECTION 9—FORKS

ƽ WARNING

After ANY adjustments, repair or service and before use, make sure that all

attaching hardware is tightened securely - otherwise injury or damage may result.

CAUTION

As with any vehicle, the wheels and tires should be checked periodically for cracks

and wear, and should be replaced.

Adjusting Forks

NOTE:Forthisprocedure,refertoFIGURE 9.1.

1. Remove theretainingscrewthatsecurestheheadtubecoverinplace.

2. Remove theheadtubecover(notshown)fromthecasterheadtube.

3. Toproperlytightencasterjournalsystemandguardagainstflutter,performthe

followingcheck:

A. Tipbackthe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.

FIGURE 9.1 Adjusting Forks

4. Testwheelchairformaneuverability.

5. Readjustlocknutsifnecessary,andrepeatSTEPS1‐3untilcorrect.

6. Snap

headtubecoverintothecasterheadtube.

7. Reinstallretainingscrews.

Locknut

Fork

Retaining Screw

Caster Headtube

Headtube Cover