Right Weigh 231-SK User manual

STRAIN SENSOR WELDING KIT
FOR DRIVE AXLES 231-SK
Installaon Manual

WELCOME
2
Thank you for choosing to drive more and scale less! Here at Right
Weigh, we are commied to making our products simple to install
and easy to use. We understand that installaon can vary between
vehicles and yours may not be described in this manual. In any
event, our technical support team is ready to answer your
quesons!
[phone]
[phone] - Toll Free (USA ONLY)
[email protected]
www.rwls.com/how-to-calibrate-install/
FOLLOW US!
IMPORTANT!
Please read instrucons COMPLETELY and thoroughly before installaon.
Right Weigh, Inc. is not responsible or liable for product failure or vehicle
damage due to improper installaon. The installaon requirements are
outlined in this manual and should be followed thoroughly to avoid inaccuracy
or damage to the product.
It is also important to be aware of vehicle manufacturer policies before making
modificaons to the vehicle. Right Weigh, Inc. is not liable or responsible for
issues regarding warranes with other manufacturers. This is the responsibility
of the customer. If you are unsure about how these installaon pracces apply
to your vehicle, please contact your vehicle or component manufacturer.

CONTENTS
3
Parts Included
Tools Required
How It Works
Installaon
Axle Preparaon
Welding
Tension Bar
Pickup Coil & Metal Cover
Warranty Statement
Return Policy & Repairs
4
6
7
8
8
9
11
12
14
15

Extension Cable (25’)
Pick-Up Coil
RW #EL-004-0054
Metal Cover
RW #HW-010-0051
PARTS INCLUDED
4
Tension Bar
RW #EL-001-0002
Sensor Bracket Assembly
RW #HW-010-0055
Mounng
Block
Mounng
Block
Set
Screws
Alignment
Dowel

Loop Clamp Bolt Washer
4 x Bu
Connectors
2 x Heat
Shrink
4 x 11” Cable
Ties
15 x 7”
Cable Ties
PARTS INCLUDED
5

Wrench (7/16”)
Allen Wrench
(1/8”)
Marker
Angle Grinder
or Sander
Tape
Measure
TOOLS REQUIRED
6
Welder
Nut Driver
(1/4”)
C-Clamp

The sensor is mounted so that it bends along with the axle
when weight is applied or taken off. As the load increases, the
sensor will detect the strain in the axles. This strain is then
measured and converted to weight by the Right Weigh gauge
aer calibraon.
HOW IT WORKS
7
EMPTY
LOADED
The tension bar is a wear item, whose life span depends on
environmental condions and severity of use. Replacement of
this part is included with your 3 year warranty, aer which
me it can be purchased separately.

INSTALLATION
MARK AXLE FOR SENSOR LOCATION
CLEAN AREA TO BE WELDED
1
2
Test fit the sensor bracket assembly to the axle. Once the assembly is in
the desired posion, hold it secrurely and mark the area inside the holes
with a permanent marker.
Use an angle
grinder or sander to
clean the surface of
the axle at the
marked areas. Make
sure the area is free
of paint, dirt, rust,
and any other
debris.
AXLE
8
WARNING!
Please refer to the corresponding Installaon
Overview for specific placement of sensors before
beginning.
Please check your vehicle manufacturer’s
recommendaons regarding welding before
beginning.
!
WELDING JIG
ASSEMBLY
Make sure to allow
clearance for
suspension travel.
!

INSTALLATION
CLAMP BRACKET ASSEMBLY TO AXLE
WELD BRACKETS TO AXLE
4
3
Reinstall the sensor
bracket assembly to the
desired posion on the
axle. Clamp the
assembly in place using
a c-clamp or similar
tool.
9
CHECK VEHICLE MANUFACTURER’S
RECOMMENDATIONS REGARDING WELDING BEFORE
BEGINNING
!
SENSOR BACKET
ASSEMBLY
C-CLAMP
12
3
4
Tack weld the bracket assembly to the axle using four welds
in each of the large diameter holes. Once tacked in place,
plug weld the circumference of each hole.

INSTALLATION
ALLOW WELDS TO COOL
REMOVE ALIGNMENT DOWEL & PLATE
PAINT AXLE & SENSOR BRACKETS
6
5
7
Remove the clamp(s) used to hold the assembly during welding. Remove
the four bolts aaching the alignment plate. Discard the plate but save
the bolts and washers as they will be used in a later step. Then loosen
the three set screws and remove the alignment dowel.
Paint the axle and sensor brackets to cover any bare metal and protect
from rust. Mask off the holes in the mounng blocks to prevent
overspray in the area where the tension bar will mount.
10
ALIGNMENT PLATE

INSTALLATION
INSTALL TENSION BAR
TIGHTEN SET SCREWS
9
8
Carefully install the
tension bar into the
blocks so that the
grooved side is in the
block with only one
set screw.
Firmly ghten the set screws
making sure to ghten the side with
the single set screw first.
11
TENSION BAR

INSTALLATION
CONNECT PICKUP COIL
10
Push the pickup
coil onto the
tension bar as
shown. Clamp
the pickup coil in
place using the
supplied hose
clamp.
INSTALL SENSOR COVER
11
12
PICKUP COIL
HOSE
CLAMP
TENSION BAR
Guide the cover over the tension bar and mounng blocks as
shown. Use the four bolts and washers le over from the alignment
plate removal to fasten the cover in place.
SENSOR COVER

INSTALLATION
Place the loop
clamp over the
pickup coil cable
and then bend the
clamp closed.
See gauge instrucon manual for further details.
Slide the clamp
down the cable
unl the hole in
clamp is aligned
with the threaded
hole in the sensor
bracket. Fasten the
clamp to the cover
using the bolt and
washer supplied.
CLAMP CABLE IN PLACE
12
ROUTE CABLE TO GAUGE
13
13
LOOP CLAMP
WASHER
CABLE
LOOP CLAMP
BOLT
SENSOR COVER

14
WARRANTY
Right Weigh is commied to providing quality products that funcon as
intended, and we always stand behind our workmanship. Our industry
leading warranty is our best effort to express this commitment. Products manufactured
or sold by Right Weigh, Inc. are warraned to be free from significant defects in material
and workmanship 3 years from date of purchase. During this me, and within the
boundaries set forth in this warranty statement, Right Weigh, Inc. will, at its sole
discreon, correct the product problem or replace the product.
This warranty shall not apply to product problems resulng from: (1) Improper
applicaon, installaon, incorrect wiring, or operaon outside of the approved
specificaons of the product. (2) Accidents, faulty suspension parts or power surges (3)
Inadequate maintenance or preparaon by the buyer or user (4) Abuse, misuse, or
unauthorized modificaon. (5) Acts of God, lightning strike, floods, fire, earthquake, etc.
Right Weigh, Inc. assumes no responsibility or liability for any loss or damages resulng
from use of Right Weigh, Inc. products.
In no event shall Right Weigh, Inc. be liable for direct, indirect, special, incidental or
consequenal damages (including loss of profits or loss of me) resulng from the
performance of a Right Weigh, Inc. product. In all cases, Right Weigh, Inc. liability will be
limited to the original cost of the product in queson. Right Weigh, Inc. reserves the
right to make improvements in design, construcon, and appearance of products
without noce.

15
RETURN POLICY & REPAIRS
Return Policy and Authorizaon
Before returning any product, please obtain a Return Merchandise Authorizaon number
(RMA#) by calling Customer Service at 503-628-0838 or e-mailing [email protected].
Include the RMA# and informaon regarding the reason for the return with the returned
product. Shipping costs for returns must be prepaid by the customer. For your protecon,
items must be carefully packed to prevent damage in shipment and insured against
possible damage or loss. Right Weigh, Inc. will not be responsible for damage resulng
from careless or insufficient packing or loss in transit.
An RMA# must be obtained by the original purchaser before any product can be
returned. Only new, unused products may be returned. Installed, used, damaged,
modified or customized products can not be returned for credit. Credit will be issued to
the original purchaser aer evaluaon by Right Weigh, Inc.
Repairs/Replacements
An RMA# must be obtained before any product can be returned. Right Weigh, Inc. will
evaluate returned products at no charge. If Right Weigh, Inc. determines that the
returned product is under warranty it will repair the product or parts thereof at no
charge, or if unrepairable, replace it with the same or funconally equivalent product
whenever possible. Right Weigh, Inc. will return the product at its expense via a shipping
method (carrier to be at sole discreon of Right Weigh, Inc.) equal to or faster than the
method used by the customer. Products or parts thereof not covered by warranty will be
repaired or replaced at customer expense upon authorizaon by the customer. Right
Weigh, Inc. will return the repaired product at customer expense via a shipping method
(carrier to be at sole discreon of Right Weigh, Inc.) equal to or faster than the method
used by the customer.

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Right Weigh, Inc.
[phone]
www.rwls.com
[e-mail]
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