DAEDALUS TECHNOLOGIES, INC.
MAKING TECHNOLOGY MORE ACCESSIBLE
Installing DAESSY Lockable Rear Folding Mount - DLRFM8
Install the Frame Clamp Assembly and Side Tube
Background
The DAESSY Lockable Rear Folding Mount DLRFM8 can be mounted on either the left or right side of the wheelchair. The side is identified from the perspective of the wheelchair occupant. The mounting side should have been determined during fitting and specified on the order for the correct Lock Mechanism to be included.
Find the location on the wheelchair to attach the Frame Clamp Inner Piece. This should have been chosen during the Fitting Procedure as described in Selecting the Frame Clamp attachment location.
It does not matter how the wheelchair frame tube is oriented because the Swivel Clamp allows the Locking Rear Folding Adapter to be rotated to any angle relative to the Frame Clamp Inner Piece.
Assemble the Frame Clamp Pieces
The pieces of the Frame Clamp Assembly must be connected together before the Frame Clamp is installed on the wheelchair frame. These pieces will include an Inner Piece (UFCxxxxIP or XXX/IPA), a Locking Rear Folding Adapter (LRFA), and any additional Offset Links and/or Frame Clamp Spacers.
If the Inner Piece of the Frame Clamp is a custom bolt-on adapter, for example the Multi-hole 3" Inner Piece Adapter (MH3/IPA), it should not be connected to the Frame Clamp Assembly at this time, as the bolt heads will be obscured by the Offset Link. Specific installation instructions for these adapters are included with the component. When the Inner Piece has a Cap and Body fastened with two screws the Cap must be removed so that the threaded end of the Swivel Clamp can be fitted in the long hole through the Inner Piece. Some Inner Pieces have integrated threaded holes for the Swivel Clamp bolts and do not use the threaded end.
The adjoining faces of all the parts for a Frame Clamp Assembly have circular grooves to give extra friction against movement when assembled. The grooves on an Inner Piece engage with the grooves on an Outer Piece but will not engage with the grooves on another Inner Piece. Offset Links and Frame Clamp Spacers have the letters IP stamped into the metal beside the grooves that attach to the Inner Piece and OP stamped into the metal beside the grooves that attach to the Outer Piece.
Caution
All the grooved faces must be correctly matched and engaged before the Swivel Clamp bolts are tightened.
One Offset Link (O3L) may be pre-installed on the Locking Rear Folding Adapter (LRFA).
When one O3L is used to connect the Inner Piece and the LRFA the unthreaded end of each Swivel Clamp is inserted into the holes in either end of the O3L. When more Offset Links are needed to correctly position the LRFA, the IP end of one O3L is connected to the OP end of another with a Swivel Clamp. It is convenient to orient the Swivel Clamps so that the bolt heads are accessible from the outside of the wheelchair.
If a Removable Frame Clamp Receiver and Removable Frame Clamp Insert (RFCR-RFCI) are included in the Frame Clamp Assembly these can be placed between any components of the Frame Clamp Assembly, taking care to correctly match the grooved faces. However it makes most sense to locate the RFCR-RFCI close to the wheelchair, so that removal of the mount leaves the minimum number of permanent components on the wheelchair.
When a Frame Clamp Spacer (UFCSPCR) is needed to gain extra clearance away from the wheelchair frame it can be placed between any connection of the grooved faces, taking care to mate the IP and OP surfaces correctly. Longer Swivel Clamp bolts are provided with the UFCSPCR. More information on Offset links and Spacers may be found in S-Tubes, Offset Links and Spacers.
The pieces of the complete Frame Clamp Assembly should be assembled and the Swivel Clamps moderately tightened to hold the unit in approximately the correct orientation before attaching the Frame Clamp Inner Piece to the wheelchair.
Note:
Offset Links displaying Serial Numbers greater than #406000 may be connected directly together or connected directly to the Rear Folding Adapter at any angle.
Offset Links that display a Serial Number less than #406000 or have no Serial Number must not be connected together or to the Rear Folding Adapter at an angle of less than 135º.
Two Offset Links connected with an intervening Frame Clamp Spacer can be connected at any angle. The Swivel Clamp connecting through the Spacer will require longer bolts.
Attach the Frame Clamp Assembly
The location for the Frame Clamp should have been determined during the Fitting procedure. The Locking Rear Folding Adapter (LRFA) must be positioned partway down the side of the wheelchair and 2" to 5" below the seat base. The location selected for the Inner Piece can be below, ahead or behind the LRFA position; the Offset Links span the distance between the location for the Inner Piece and the position of the Locking Rear Folding Adapter.
Caution:
The Inner Piece cannot be located directly above the position for the Locking Rear Folding Adapter as there will not be enough space for correct operation of the Locking Mechanism and the Lock Mechanism may not be releasable to fold the mount behind the backrest.
At the selected location fit the Cap and Body of the Frame Clamp Inner Piece around the tube. Do not fully tighten the bolts yet. The Cap should face towards the inside of the wheelchair and the Body, connected to an Offset Link should face towards the outside.
Position the Locking Rear Folding Adapter LRFA at the chosen location midway down the side of the wheelchair and a little below the seat level before gently tightening the bolts on the Swivel Clamps. These bolts may need to be loosened during the Final Adjustment.
Install the Side Tube
The Side Tube is installed in the Tube Mount (RTHTM) of the Locking Rear Folding Adapter (LRFA).
The Lock Mechanism should be unlocked for this step. Remove the plastic plug retaining the Pinch Clamp within the tube hole and check the alignment of the Pinch Clamp inside; insert the Side-Tube. Tighten the Pinch Clamp bolt.
The Side Tube should be resting against the curved part of the Locking Mechanism body. If it is not, rotate the Side Tube and Tube Mount until the Side Tube is in contact with the Locking Mechanism. Close the latch of the Locking Mechanism – it may be necessary to slightly loosen the bolts attaching the Lock to the Locking Rear Folding Adapter to do this. Fully tighten these bolts when the Side Tube is installed, secured with the Pinch Clamp and the latch of the Locking Mechanism is closed.
If the Frame Clamp Inner Piece (UFCxxxxIP) is attached to round tubing on the wheelchair the Side Tube will need to be aligned sideways. Use the Side Tube as a lever to move the UFCxxxxIP until the Side Tube is aligned parallel with the side of the wheelchair.
Release the Lock latch and check that the Side Tube can be rotated between the In-Use and Folded positions without contacting any part of the wheelchair.
Caution:
If the Side-Tube contacts the armrest or other part of the wheelchair the Locking Rear Folding Adapter (LRFA) must be moved further out from the wheelchair by using one or two Frame Clamp Spacers (UFCSPCR). Alternatively an S-Bend Tube may be used for the Side Tube with the bend positioned to allow the tube to avoid obstructions.
When the Inner Piece is correctly aligned alternately tighten the bolts connecting the Cap and Body of the Frame Clamp Inner Piece to clamp the wheelchair tube evenly.
Please Note
When the bolts are fully tight and the tube is firmly gripped there should be a slight gap of 1/32" to 1/64" between the Cap and Body of the Frame Clamp Inner Piece. If the gap is wider than 1/16" the Frame Clamp Inner Piece is probably too small. If there is no gap and the tube is not gripped firmly when the bolts are tight remove the inner
piece and tightly wrap some aluminium foil around the tube before replacing it. Make sure the aluminium foil does not get caught between the Cap and Body when the bolts are again tightened. There is some variation in the tube size on different wheelchairs so it is sometimes necessary to use the foil. Do not use paper or plastic. Do not use more than four layers of foil, more than this probably means the Frame Clamp is too large.
All bolts should be tightened sufficient to hold the mounting assembly for the remaining procedures in the installation. The bolts will be fully tightened in the final installation step.
[Next Step: Install the Elbow Rotate Head, Horizontal Tube and Quick Release Base]
Steps in Installation Procedure:
Installation of the DLRFM8 has these major steps:
- Identify the Parts
- Install the Frame Clamp Assembly, Locking Rear Folding Adapter and Side Tube
- Install the Elbow Rotate Head, Horizontal Tube and Quick Release Base
- Set the Stops in the Locking Rear Folding Adapter
- Alternative Set-up
Lockable Rear Folding Mount