Invacare 3GTQSPBASE Owners Manual - Page 108

Components, exploded for clarity., There is no need to, remove the fork from, the base frame.

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8 SETUP/MAINTENANCE 8.15 Adjusting Forks 1. Remove the dust cover (not shown) from the caster headtube. 2. 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. 3. Test wheelchair for maneuverability. 4. Readjust locknuts if necessary, and repeat STEPS 1-3 until correct. 5. Snap dust cover into the caster headtube. Locknut  Components exploded for clarity. Fork There is no need to remove the fork from the base frame. FIGURE 14 Adjusting Forks Invacare 3G Storm Series® 108 Part No 1143151

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8
SETUP/MAINTENANCE
Invacare 3G Storm Series®
108
Part No 1143151
8.15
Adjusting Forks
1.
Remove the dust cover (not shown) from the caster headtube.
2.
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.
3.
Test wheelchair for maneuverability.
4.
Readjust locknuts if necessary, and repeat STEPS 1-3 until correct.
5.
Snap dust cover into the caster headtube.
FIGURE 14
Adjusting Forks
Locknut
Fork
Components
exploded for clarity.
There is no need to
remove the fork from
the base frame.