Installing The Half Arm Socket - Invacare A4 Owner's Manual

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The locking lever is spring loaded. Place your free hand over the locking lever to prevent the

parts from springing off of the bottom bracket, otherwise parts may be lost or injury may occur.

Remove existing locking lever and spring from bottom bracket.

NOTE: Inspect the spring for damage and replace if necessary.

Position spring on bottom bracket.

Position new locking lever onto spring and bottom bracket.

NOTE: Make sure the two extended ends of the spring are inside the notch in the locking lever.

Line up the mounting holes in the new locking lever, spring and bottom bracket.

DO NOT overtighten locknut that secures locking lever to bottom bracket. Overtightening this

locknut will prevent locking lever from operating properly, possibly causing injury.

Install mounting screw and tighten securely with locknut.

Install the T‐arm onto the wheelchair. Refer to Installing/Removing T‐arms on page 52.

Installing The Half Arm Socket

NOTE: For this procedure, refer to FIGURE 9.9.

Position arm socket in line with mounting holes on the wheelchair frame making sure the arm socket is towards the

inside of the wheelchair frame.

Position the top coved washer between the arm socket and the wheelchair frame.

NOTE: The slot in the arm socket is used with either the top or the bottom mounting holes in the arm socket depending on the half arm

height desired.

Install top hex screw through the slot in the arm socket, top coved washer, wheelchair frame, and washer and loosely

tighten with locknut.

Slide the arm socket up and/or down until the bottom mounting hole in the arm socket is in line with the mounting hole

in the wheelchair frame.

Part No 1110545

WARNING

DETAIL "A" - MOUNTING THE SPRING

Extended Ends

Mounting Screw

FIGURE 9.8 Replacing T-arm Locking Lever

Mounted

Spring

Notch

Locknut

Locking Lever

SECTION 9—ARMS

A4 Owner's Manual

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