Right Weigh PP-003-0000 Onboard Load Scale Exterior Analog Instruction Manual

PP-003-0000 Onboard Load Scale Exterior Analog
Instruction Manual

WELCOME
Thank you for choosing to drive more and scale less! Here at Right Weigh, we are committed to making our products simple to install and easy to use. If your vehicle  configuration is not described in this manual, our technical support team is ready to answer your questions!

| 503-628-0838
888-818-2058  –  Toll Free (USA ONLY)
+61 418 622840 – Australia & New Zealand
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| support@rwls.com
leigh@rwlsau.com.au – Australia & New Zealand
| www.rwls.com/how-to-calibrate-install/rightweigh.com.au – Australia & New Zealand  

IMPORTANT!
Please read instructions COMPLETELY and thoroughly before installation. Right Weigh, Inc. is not responsible or liable for product failure or vehicle damage due to  improper installation. The installation 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 modifications to the vehicle. Right Weigh, Inc. is not liable or responsible for issues regarding  warranties with other manufacturers. This is the responsibility of the customer. If you are unsure about how these installation practices apply to your vehicle, please contact  your vehicle or component manufacturer.

PARTS REQUIRED

These parts are sold separately in the 103-SK kit:

Male Straight Tube Fitting
Tube fitting for 1/4” air line, with a thread size to match the street tee fitting.

20 or more Zip Ties

Street Tee Fitting
The thread size should match the air bag fitting. (1/4” NPT or 3/8” NPT)

1/4 Inch Air Line
Approximately 20 to 30 feet (6 to 9 meters)

SPECIFICATIONS & OVERVIEW

Technical Specifications
Operating/Storage Temperature: -40° F to +185° F (-40° C to +85° C)
Enclosure: Black Polypropylene
Gauge Size: 3.5”

The 310-PP series is designed for use on an axle group with a single height control valve suspension system.
Within this series, there are different products designed for different axle group configurations. Before installation, make sure you have the proper gauge for your application:

*B310-30KG-PP

*For use with large air bags (340mm or larger)
If you have the wrong gauge for your application, please call our technical support listed on page 2.

INSTALL

The 310 Series gauge comes in a protective box. The following steps will walk you through how to correctly mount and install the scale. Be sure to choose a location that is  easily accessible and safe from potential damage (forklift posts, tire caps, etc.)

1. MOUNT SCALE
   Choose a location to mount the scale that is easily accessible and safe from potential damage (forklift posts, tire caps, etc.).
   DO NOT mount the scale directly to the chassis or any other main beam unless it is approved by the vehicle manufacturer. Doing so may void the warranty with the vehicle manufacturer.

2. DUMP AIR FROM SUSPENSION SYSTEM

3. CUT EXISTING AIR LINE
   Cut the air line going to one of the air bags in the suspension group to be monitored.

4. ASSEMBLE TEE FITTING
   Choose a tee fitting that matches the size of the existing air line, then install a female NPT tube fitting onto the tee as shown. Use teflon tape or equivalent to seal  threads, tighten securely.

5. INSTALL TEE FITTING
   Insert the cut ends of the existing air line and the new 1/4” air line into the tee fitting assembly as shown. Tighten all three tube nuts securely.

6. ROUTE AIR LINE TO GAUGE
   Route the new 1/4” air line from the tee fitting to the gauge. Secure air line with zip ties. Use 1/4” tube to 1/4” NPT elbow fitting to connect air line to gauge.

7. AIR UP SUSPENSION SYSTEM
   Check for leaks and that all fitting connections are secure.
   Pull red push/pull valve to check that air pressure is getting to the gauge.

CALIBRATE

1. The vehicle must be fully loaded. For best results, calibrate with a loaded weight within 1500lbs or 750kgs of your typical axle group weight (DO NOT calibrate empty!)
2. Using a certified in-ground scale, obtain a loaded weight for the axle group attached to the gauge.
3. Park on a level surface. Shift the transmission to neutral and set the parking brakes.
4. Chock the wheels to prevent unexpected vehicle movement.
5. Release the parking brakes.
6. Make sure the Height Control Valve (HCV) has fully inflated the air bags. If needed, briefly dump the air from the suspension and allow the HCV to refill the system.
7. Pull the red push/pull valve so that it is in the fully open position.
8. Using a flathead screwdriver, turn the calibration screw on the dial face until the gauge matches the certified axle group weight.
   

OPERATE & WEIGH

1. Park on a level surface. Shift the transmission to neutral and set the parking brakes.
2. Chock the wheels to prevent unexpected vehicle movement. Release the parking brakes.
3. Make sure the Height Control Valve (HCV) has fully inflated the air bags. If needed, briefly dump the air from the suspension and allow the HCV to refill the system.
4. Pull the red push/pull valve so that it is in the fully open position. View the load scale to determine the on-the-ground axle group weight.
5. Push the push/pull valve so that it is in the full closed position.

TROUBLESHOOT A PROBLEM

will cause the vehicle weight distribution to shift between the axle groups. Additionally, if one or more of the vehicle’s wheels are in a pothole, that could result in additional pressure or torque on the suspension air bags. This will cause the suspension to have a different air pressure than what is normally needed to hold up the given weight.
The vehicle’s brakes are on| Release the parking brakes when weighing and/or calibrating. When the vehicle brakes are set, they could apply additional pressure or torque on the suspension air bags. This will cause the suspension to have a different air pressure than what is normally needed to hold up the given weight.
There is a significant air leak in the suspension system| Check air lines for leaks. Having a leak could cause the HCV to refill the suspension at regular intervals to maintain the vehicle’s ride height. If there is a significant leak, the gauge display will slowly decrease in value and then quickly increase in value when the HCV refills the suspension system.
The Height Control Valve (HCV) is malfunctioning or broken| If the HCV is not functioning correctly, the air pressure applied to the suspension system could be inconsistent and/or erratic. To test for an HCV problem, acquire a weight reading from the Right Weigh gauge and write it down (refer to gauge operating instructions for proper procedure). Drive the vehicle around the block and return to the same location. Acquire a second reading from the Right Weigh gauge. If the two readings are significantly different, then the HCV might be malfunctioning.

WARRANTY & RETURN POLICY

Right Weigh is committed to providing quality products that function 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 warrantied to be free from significant defects in material and workmanship 3 years  from date of purchase. During this time, and within the boundaries set forth in this warranty statement, Right Weigh, Inc. will, at its sole discretion, correct the product  problem or replace the product.
This warranty shall not apply to product problems resulting from: (1) Improper application, installation, incorrect wiring, or operation outside of the approved specifications  of the product. (2) Accidents, faulty suspension parts or power surges (3) Inadequate maintenance or preparation by the buyer or user (4) Abuse, misuse, or unauthorized  modification. (5) Acts of God, lightning strike, floods, fire, earthquake, etc.
Right Weigh, Inc. assumes no responsibility or liability for any loss or damages resulting from use of Right Weigh, Inc. products.
In no event shall Right Weigh, Inc. be liable for direct, indirect, special, incidental or consequential damages (including loss of profits or loss of time) resulting 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 question. Right Weigh, Inc. reserves  the right to make improvements in design, construction, and appearance of products without notice Return Policy and Authorization
Before returning any product, please obtain a Return Merchandise Authorization number (RMA#) by calling Customer Service at 503-628-0838 or e-mailing support@rwls.com. Include the RMA# and information regarding the reason for the return with the returned product. Shipping costs for returns must be prepaid by the  customer. For your protection, 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 resulting 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 after evaluation 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 functionally  equivalent product whenever possible. Right Weigh, Inc. will return the product at its expense via a shipping method (carrier to be at sole discretion 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  authorization by the customer. Right Weigh, Inc. will return the repaired product at customer expense via a shipping method (carrier to be at sole discretion of Right Weigh,  Inc.) equal to or faster than the method used by the customer.

THANK YOU FOR YOUR BUSINESS

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RightWeighInc
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rwlsinc
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Right Weigh, Inc.
PP-003-0002 Revision J
February 2022
©2015-2022 Right Weigh, Inc. All rights reserved.
Hillsboro, Oregon USA

References

• On-Board Truck Weight Scales & Weight Gauges | RIGHT WEIGHâ„¢
• Manuals & Resources - Right Weigh

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