Invacare 4V66FLR Owners Manual - Page 34

Adjusting Front Forks/Caster, Replacing Front Caster

Get Invacare 4V66FLR PDF manuals and user guides View all Invacare 4V66FLR manuals
Add to My Manuals
Save this manual to your list of manuals

Page 34 highlights

5.10 Adjusting Front Forks/Caster 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 A 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 B 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 C over the locknut and stem. Service 5.11 Replacing Front Caster WARNING! - Make sure both casters are the same size before using the wheelchair, otherwise injury may occur. If replacing the same size front caster, note the mounting position on the fork assembly for proper reinstallation of the new front caster. 1. Remove the hex screw A, washers B and locknut C that secure the front caster D to the fork E. Washers are only used with 8 inch casters with precision bearings. 2. To reinstall the new front caster onto the fork, reverse STEP 1. C E A B B D 1567855-C 33

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
Service
5.10
Adjusting Front Forks/Caster
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
A
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
B
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
C
over the locknut and stem.
5.11
Replacing Front Caster
WARNING!
–
Make sure both casters are the same size before using
the wheelchair, otherwise injury may occur.
If replacing the same size front caster, note the mounting
position on the fork assembly for proper reinstallation of
the new front caster.
1.
Remove the hex screw
A
, washers
B
and locknut
C
that secure
the front caster
D
to the fork
E
.
Washers are only used with 8 inch casters with precision
bearings.
2.
To reinstall the new front caster onto the fork, reverse STEP 1.
1567855-C
33