Installing new ratchet kit – Invacare Articulating/Elevating Legrest User Manual

Page 3

Advertising
background image

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.

Advertising