Invacare Articulating/Elevating Legrest Bedienungsanleitung
1
The Ratchet Replacement Kit consists of the following:
DESCRIPTION QUANTITY
Ratchet Body 2
Ratchet Bar 2
Ratchet Handle 2
Nylon Washer 2
Acorn Nut 2
Cam 2
Spring 2
Snap Ring 2
Spacer 2
Domed Push Cap 2
SAVE THESE INSTRUCTIONS
NOTE: Check ALL parts for shipping damage. In case of
shipping damage, DO NOT use. Contact Carrier/Dealer
for further instruction.
SAFETY SUMMARY
The following recommendations are made for safe
installation and adjustment of the Ratchet Replace-
ment Articulating / Elevating Legrest:
GENERAL WARNING
DO NOT install or use this kit without first read-
ing and understanding this instruction sheet.
If you are unable to understand the Warn-
ings, Cautions or Instructions, contact a
healthcare professional, dealer or technical
personnel before attempting to install this kit
- otherwise, injury or damage may occur.
DO NOT step or stand on footrests; it could
cause the chair to tip over resulting in injury.
INSTALLATION WARNING
After making adjustments and BEFORE use,
make sure all attaching hardware is securely
tightened.
Ratchet Replacement - Articulating / Elevating Legrest
Assembly, Installation and Operating Instructions
REMOVING EXISTING RATCHET
ASSEMBLY (FIGURE 1)
NOTE: Note location and orientation of ratchet assembly
BEFORE removing for installation of NEW ratchet kit.
1. Determine how the ratchet handle is secured to the
legrest.
2. Perform one (1) of the following:
If the ratchet handle is secured with a Roll Pin:
A. Use a hammer and a punch to remove the roll pin
that secures the ratchet handle to the ratchet as-
sembly as shown in FIGURE 1, DETAIL “A”.
B. Adjust the legrest assembly until the ratchet as-
sembly including handle can be removed from
the upper support tube of legrest assembly.
NOTE: When removing the ratchet assembly and handle
on the articulating legrest, open the legrest assembly until
you clear the drive link and link bar.
NOTE: This procedure will eliminate disassembling the
upper support tube from the legrest support tube and in
the case of the articulating legrest the gears will not have
to be remeshed to obtain correct travel.
C. Remove ratchet body and ratchet handle from
upper support tube as shown in FIGURE 1,
DETAIL “A”.
D. Discard the existing ratchet parts.
If the ratchet handle is secured with a snap ring:
A. Remove the snap ring from the end of the ratchet
handle using snap ring tool.
B. If equipped, remove the domed push cap that se-
cures the ratchet bar to the legrest support tube.
C. Adjust the legrest assembly until the ratchet as-
sembly including handle can be removed from
the upper support tube of the legrest assembly.
D. Removeratchetbodyandratchethandlefromupper
support tube.
E. Discard the existing ratchet parts.
Have the following tools available:
Hammer
Punch
Snap Ring Tool
2
FIGURE 1 - REMOVING EXISTING RATCHET ASSEMBLY
Legrest
Support Tube
Ratchet
Handle
Upper
Support
Tube
Ratchet
Handle
Upper Support
Tube Legrest
Support Tube
Drive Link
Link Bar
ARTICULATING LEGREST
Roll Pin
Ratchet
Handle
Upper
Support
Tube
Ratchet
Body From Support
Tube Mounting of
Legrest Assembly
Discard Discard
RATCHET KIT WITH ROLL PIN:
ELEVATING LEGREST
DETAIL “A” - DISASSEMBLING EXISTING RATCHET KIT WITH ROLL PIN
Elevating
Support Tube
Upper
Support Tube
Ratchet
Handle
Domed
Push Cap
Snap
Ring
Ratchet
Bar
RATCHET KIT WITH SNAP RING:
ELEVATING LEGREST
ARTICULATING LEGREST
Elevating
Support Tube
Upper
Support TubeRatchet
Handle
Snap
Ring
Ratchet
Bar
Drive Link
Link Bar
NOTE: Domed push cap not used on articulating legrest.
3
FIGURE 2 - INSTALLING NEW RATCHET KIT -
ELEVATING LEGRESTS
DETAIL “A” - CAM POSITION
NOTE: Pointed end of cam
faces acorn nut on ratchet bar.
Cam
Ratchet Bar
DETAIL “B” - CROSS SECTION
Ratchet
Body
Ratchet
Handle
Spring Clip
Mtg. Holes
Spring Clips
Spring
Snap Ring
Nylon
Washer
Spacer
Acorn Nut
Domed
Push
Cap
Legrest Support
Tube
Ratchet
Bar
Cam
Cam
Ratchet
Handle
Ratchet Body
Spring
Nylon
Washer
Domed
Push Cap
Snap Ring
Acorn
Nut
INSTALLING NEW RATCHET KIT
Elevating Legrests (Figure 2)
1. Install ratchet handle through support tube.
2. Install nylon washer onto end of ratchet handle.
3. Install spring into ratchet body. Snap the spring clips
into the spring clip mounting holes of the ratchet body.
4. Insert the cam into the ratchet body against the spring
ensuring that the teeth on the cam are facing up as
shown in DETAIL “A”, FIGURE 2.
NOTE: The pointed end of the cam should face the rear
of the wheelchair.
5. Line-up the holes in the spring with holes in the cam
and the ratchet body.
NOTE: The ratchet body should be on the INSIDE of the
legrest support tube with the spring clip mounting holes
facing toward the front of the wheelchair.
6. While holding the cam in place, install the ratchet
handle through the ratchet body, spring, cam, spring
and ratchet body as shown in DETAIL “B”, FIGURE 2.
7. Using snap ring tool, install snap ring into groove on
end of ratchet handle to secure ratchet.
8. Install the short end of the ratchet bar into hole on
elevating support tube.
9. Perform one (1) of the following:
A. For ADULT WHEELCHAIR with Elevating
Legrests, install NO spacers on the ratchet bar.
B. For HEMI WHEELCHAIR with Elevating Legrests,
install one (1) spacer on the ratchet bar.
10. Open legrest as far as possible.
11. Pull down on ratchet handle and insert ratchet bar into
the ratchet body.
12. Work the ratchet bar into the ratchet body while clos-
ing the legrest at the same time.
13. Secure ratchet bar with the acorn nut.
14. Secure ratchet assembly by installing domed push
cap on short end of ratchet bar.
4
Articulating Legrests (Figure 3)
1. Install ratchet handle from outside of legrest through
upper legrest support tube.
2. Install nylon washer onto end of ratchet handle.
3. Install spring into ratchet body. Snap the spring clips
into the spring clip mounting holes of the ratchet body
as shown in DETAIL “A”, FIGURE 3.
4. Insert the cam into the ratchet body against the spring
ensuring that the teeth on the cam are facing up as
shown in DETAIL “A”, FIGURE 3.
5. Line-up the holes in the spring with holes in the cam
and the ratchet body.
NOTE: The ratchet body should be on the INSIDE of the
legrest support tube with the spring clip mounting holes
facing toward the front of the wheelchair and the pointed
end of the cam facing the rear of the wheelchair.
6. While holding the cam in place, install the ratchet
handle through the ratchet body, spring, cam, spring
and ratchet body.
7. Using snap ring tool, install snap ring into groove on
end of ratchet handle to secure ratchet.
8. Perform one (1) of the following:
A. For ADULT WHEELCHAIR with Articulating
Legrests, install one (1) spacer on the ratchet bar.
B. For HEMI WHEELCHAIR with Articulating Legrests,
install two (2) spacers on the ratchet bar.
9. Insert short end of ratchet bar into hole on elevat-
ing support tube ensuring that the short end of the
ratchet bar is pointing toward the OUTSIDE of the
legrest.
10. Open legrest as far as possible.
11. Remove top screw and locknut from upper legrest
support. Set aside for reassembly.
12. Remove upper legrest support from elevating sup-
port tube.
14. Insert ratchet bar into ratchet body.
15. Pull down on ratchet handle while working ratchet
bar into ratchet body until the ratchet body is against
the spacer on the ratchet bar.
16. Secure ratchet bar with acorn nut.
NOTE: When reinstalling upper legrest support, close
legrest as far as possible and ensure that the ratchet body
is against the spacer on the ratchet bar.
17. Close legrest as far as possible.
18. Reinstall upper legrest support to lower legrest sup-
port ensuring that the gears mesh.
19. Reinstall screw and locknut to secure legrest sup-
port. Securely tighten.
DETAIL “A” - CAM POSITION
NOTE: Pointed end of cam
faces acorn nut on ratchet bar.
Cam
Ratchet Bar
Spring Clip
Mtg. Holes
Spacer
Acorn Nut
FIGURE 3 - INSTALLING NEW RATCHET KIT
ARTICULATING LEGREST
OUTSIDE
INSIDE
Ratchet
Handle
Upper Legrest
Support Tube
Snap Ring
Cam
Spring
Ratchet
Body
Washer
Elevating
Support Tube
Upper Legrest
Support Tube
Screw
Locknut
Ratchet Bar
Elevating
Support Tube
Ratchet
Body
Spacer
Acorn Nut
5
HEMI ARTICULATING
APPROX. 45°
Two (2)
Spacers
FIGURE 4 - ASSEMBLY OF THE ARTICULATING LEGREST
CORRECT ASSEMBLED POSITION
FOR COMPLETE TRAVEL OF
ARTICULATING LEGREST (FIGURE 4)
1. The ADULT, after it is mounted to the chair frame,
will be at about a 30° angle.
2. The HEMI, after it is mounted to the chair frame,
will be at about a 45° angle.
NOTE: Check legrest for full travel and locking capability
before use.
ADULT ARTICULATING
APPROX. 30°
One (1)
Spacers
6
NOTES
7
NOTES
Invacare Corporation www.invacare.com
U A Canada
One Invacare Way 5970 Chedworth Way Invacare and "Yes, you can" are trademarks of Invacare
lyria, Ohio USA Mississauga, Ontario Corporation.
44036-2125 L5R 3T9, Canada © 2000 Invacare Corporation
800-333-6900 905-890-8838 Form No. 93-159 Part No. 1042798 Rev C (1) 9/00
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