Medifab LapStacker User manual

Installation Guide

Welcome
Congratulations and thank you for choosing the LapStacker®
Please read this Installation and User Guide carefully to ensure you install and use the
LapStacker®correctly and safely.
Once you’ve installed your LapStacker®we’d love to see how you use it. Please feel
free to send us your videos and images and let us know how the LapStacker®improves
freedom and independence in your life.
You can email me anytime at [e-mail] or simply tag us on social media and
use #lapstacker. Of course, we’d also like to hear about how we can improve, so please
feel free to let us know.
The LapStacker®is made from quality materials to our exacting standards and should last
many years of hard use. I hope you’ll love it as much as I do and look forward to seeing
and hearing how you use it. Wishing you all the very best,
Mike Brown
󰀩
1

Installation Guide Overview
This guide contains installation information for each of the Retractor location options
and Keeper styles. By using the process below you will be able to easily follow the step
®to your wheelchair
regardless of what options you purchased.
How to use the Installation Guide:
STEP ONE: Retractor Installation
 
option you have purchased.
Follow the Retractor installation instructions to assemble your Retractor to the

STEP TWO: Keeper Installation
 
style you have purchased.
 
STEP THREE: Buckle Installation
 
STEP FOUR: Final Adjustment
 
 

LapStacker®in place.
Congratulations! The LapStacker®install process is complete. You can now enjoy
using your LapStacker®.
2

Contents Page
Page
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Contents
Welcome
Installation Guide Overview
Contents
Warnings
General
Injury
Wheelchair Balance & Vision
Installation
Care of your LapStacker®
Retractor Installation
Frame Top Tube
Cross Frame Rigidizer Bar / Batec Style Attachment
Lower Horizontal Frame Tube
Front Vertical Frame Tube
Kuschall K Series
Keeper Installation
Long Keeper
Short Keeper
Snap Fit
Universal
Direct Mount
Side Guard Keeper
Buckle Installation
Final Adjustment
Thread Protector Installation
3

Contents Page (continued)
Page
...................................................................................58
...............................................................................................65
Contents
Power Chair Installation
Trouble Shooting
4

Warnings - Please read carefully
Do not install or operate the LapStacker®
this Installation and User Guide. The current version is available online at
lapstacker.com/install
Failure to do so may cause injury to you or those around you.
By using the LapStacker®you agree to the terms of our Warranty and Product
Disclaimer which can be read online at lapstacker.com/disclaimer
Warnings - General
The LapStacker®is not a seatbelt, safety device, or medical device.
Please do not use the LapStacker®to secure items on your lap that may cause an
injury to you or others. Some examples include sharp, hot or heavy items.
The LapStacker®is not intended to be used during exercise as a means of keeping
the wheelchair attached to you, or to secure children or animals to your lap.
The LapStacker®is designed as an aid only. You will still need to carefully place items
on your lap and monitor them while using the LapStacker®. Items can move even
with the LapStacker®securing them, and we take no responsibility for any damage to
goods or people should items fall while you are using the LapStacker®
We do not recommend using the LapStacker®for extensive periods of time to hold
items on your lap.
Warnings - Injury
Please be aware of the new LapStacker®components on your wheelchair and where
they are relative to your limbs. Be sure to avoid contact with these while using your
wheelchair or transferring in and out of your wheelchair. Failure to do so may result in
injury.
Please do not pull down too tightly on the straps otherwise it might cause a loss of
circulation or a pressure injury or damage the item/s you are carrying.
Please ensure there is adequate clearance between your legs and the LapStacker®
components. If not, you may develop a pressure injury from rubbing against these
components.
5

Warnings - Please read carefully
Small Loop
Centre Loop
Large Loop
NOT FOR BUCKLE
INSTALL
Warnings - Wheelchair Balance & Vision
Please note that carrying items on your lap may alter the balance of your wheelchair.
We suggest supervision while trying the LapStacker®
Please do not exceed your wheelchair manufacturer’s guidelines for loading or usage
of attachments.
Please do not stack items too high on your lap so as to reduce your ability to see
where you are going. This could result in a collision that causes you or others an
injury.
Warnings - Installation
If you are installing the LapStacker®and moving existing components around such as
brakes please ensure they are reinstalled and secured correctly. Failure to do so may
result in their failure and injury to you or others.
If you are installing the LapStacker®
tensioning the Clamps or Keepers may crack or damage your chair. Tighten slowly,
and with caution. Do not over tighten.
Warnings - Buckle Installation
 󰀨
Buckle install instructions, these can be found on page 49.
 
easily detaching from the webbing. Always use the centre or small loops provided

 
install the Buckle using the small loop available adjacent to the end of the sewn
section.
6

Care of your LapStacker ®
The LapStacker®Retractor has not been designed for submersion in water. Doing
so will likely result in rusting of the internal components and may void your Warranty.
If you must take your wheelchair into the water it is recommended you remove the
Retractor Units before doing so.
The Brackets are made of aluminium to reduce weight and are not designed to be

with them or they may break.
Wipe components clean with a damp cloth and avoid the use of chemical detergents
which may damage the plastic surfaces.
The straps may be cleaned using water and a damp cloth. We suggest removing the
retractors, fully extending the straps and letting them dry before retracting the straps
back into their housing again.
7

Frame Top Tube - Installation
• For Keeper Installation please see page 35.
• For Buckle Installation please see page 50.
• For Final Adjustment please see page 55.
• For Trouble Shooting please see page 65.
8

Frame Top Tube - Components
Clamps
Fastener Set
Retractor Units
Brackets
For Keeper components please see the Keeper install section beginning page 35.
Clamp A
2 x Clamp B 2 x
M5 x 10mm
Screw
4 x
M5 Washer
6 x
M5 x 12mm
Screw
2 x
M4 Washer
2 x
M5 x 16mm
Screw
2 x
3.0mm
Allen Key
1 x
M4 x 8mm
screw
2 x
2.5mm
Allen Key
1 x
Retractor Unit
2 x
90 Bracket
Left Side
1 x 90 Bracket
Right Side
1 x
9

Ideally, the Keepers are positioned central to where you will carry items, but the
LapStacker®will still work if forward or back of this.
While in your wheelchair look down at your side and imagine using the LapStacker®to
secure an item. Find the midpoint for this object and take a note of this position on the
Frame Top Tube of your wheelchair.
The Keeper MUST align with the centre of the webbing from the retractor unit. Ensure
your ideal Keeper location allows room for the Retractor Unit, Clamps and Brackets.
Determine Approximate Keeper Location
1.
RETRACTOR
CLAMP
WEBBING
BRACKET
IDEAL KEEPER POSITION
CENTRE OF WEBBING
10

Items Required:
2 x Clamp A
2 x Clamp B
2 x M5 * 16mm Screws
3.0mm Allen Key
Items Required:
1 x 90 Bracket LEFT
1 x 90 Bracket RIGHT
4 x M5 * 10mm Screws
4 x M5 washers
3.0mm Allen Key
Items Required:
2 x Retractor Units
2 x M5 * 12mm Screws
2 x M5 washers
3.0mm Allen Key
Fasten Brackets to the Clamps.
Fasten Retractors to the Brackets loosely.
Fasten Clamps together loosely.
2.
3.
4.
11

WARNING!
It is important that you allow
enough clearance between the
Retractor and the seat base so
that when you are seated there
is no downwards pressure on the
Retractor Unit. Failure to do so
will stress the Bracket and may
cause it to fail over time.
WARNING!
Please ensure there is adequate
clearance between your legs and
the LapStacker®components. If
not, you may develop a pressure
injury from rubbing against these
components.
Items Required:
3.0mm Allen Key
2 x Clamp, Bracket and
Retractor Assemblies
Adjust Retractor position so that webbing aligns with ideal Keeper position.
Check underseat clearance (seated). Adjust Clamp angle if necessary.
Attach the Clamp and assembled parts to the Frame Top Tube.
5.
6.
7.
☑
12

Cross Frame Rigidizer Bar - Installation
Above The Cross Frame Rigidizer Bar - For further information please see page 16.
Below The Cross Frame Rigidizer Bar - For further information please see page 17.
13

Cross Frame Rigidizer Bar - Components
Clamps
Fastener Set
Retractor Units
Brackets
For Keeper components please see the Keeper install section beginning page 35.
Clamp A
2 x Clamp B 2 x
M5 x 10mm
Screw
4 x
M5 Washer
6 x
M5 x 12mm
Screw
2 x
M4 Washer
2 x
M5 x 16mm
Screw
2 x
3.0mm
Allen Key
1 x
M4 x 8mm
screw
2 x
2.5mm
Allen Key
1 x
Retractor Unit
2 x
Cross Bar Bracket
2 x
14

Ideally, the Keepers are positioned central to where you will carry items, but the
LapStacker®will still work if forward or back of this.
While in your wheelchair look down at your side and imagine using the LapStacker®to
secure an item. Find the midpoint for this object and take a note of this position on the
Frame Top Tube of your wheelchair.
The Keeper MUST align with the centre of the webbing from the Retractor Unit. Ensure
your ideal Keeper location allows room for the Retractor Unit, Clamps and Brackets.
Determine Approximate Keeper Location
1.
RETRACTOR
CLAMP
WEBBING
KEEPER
BRACKET
IDEAL KEEPER POSITION
CENTRE OF WEBBING
15

IMPORTANT!

will give the greatest range

Bracket is too far forward then
shift the Bracket backwards to
utilise the centre or forward slots.
IMPORTANT!
Depending on the available clearance
between the Cross Frame Rigidizer Bar
and the seat base, you may need to mount
the Retractor on the underside of the Cross
Frame Rigidizer Bar. See Step 6 for more
details.
Items Required:
2 x Clamp A
2 x Clamp B
2 x M5 * 16mm Screws
3.0mm Allen Key
Items Required:
2 x Cross Bar Bracket
4 x M5 * 10mm Screws
4 x M5 washers
3.0mm Allen Key
Items Required:
2 x Retractor Units
2 x M5 * 12mm Screws
2 x M5 washers
3.0mm Allen Key
Fasten Brackets to the Clamps.
Fasten Retractors to the Brackets loosely.
Fasten Clamps together loosely.
2.
3.
4.
16

WARNING!
Please ensure there is adequate
clearance between your legs and
the LapStacker®components. If
not, you may develop a pressure
injury from rubbing against these
components.
Items Required:
Wheel Chair
3.0mm Allen Key
2 x Clamp, Bracket and
Retractor Assemblies
Adjust Clamp position so that the Retractor is close to the Frame Top Tube
but clear of any brake mechanism components.
Attach the Clamp and assembled parts to the Cross Frame Rigidizer Bar.
5.
7.
WARNING!
It is important that you allow
enough clearance between the
Retractor and the seat base so
that when you are seated there
is no downwards pressure on the
Retractor Unit. Failure to do so
will stress the Bracket and may
cause it to fail over time.
If there isn't adequate room under the seat, switch the Cross Bar Bracket
to the underside of the Cross Frame Rigidizer Bar.
6.
17

Adjust Retractor position so that webbing aligns with ideal Keeper position.
Repeat the process with components mirrored for the opposite side.
9.
10.
☑
Adjust Clamp angle so that the Cross Bar Bracket is parallel with the Frame
Top Tube.
8.
18

Lower Horizontal Frame Tube - Installation
External Mounting Option - See Step 6 for more information.
Internal Mounting Option - See Step 6 for more information.
19