Table of Contents Model Number Note ...............1 LoadMaxx Tractor Scale Overview..........1 Scale Display Overview..............1 Customer Support................1 Navigating the scale menu.............2 Calibration..................3 Calibrating the tractor scale overview..........4 Calibrating Empty Weights............4 Calibrating Heavy Weights............5 Operations..................6 Scale Settings.................6 Languages..................6 Display Backlight and Set-up............7 Large Character Display .............8 Creating a PIN................9 How to turn off guided instructions..........9...
Model Number Note This guide is intended for use for scales set to model number 5809. LoadMaxx Tractor Scale Overview LoadMaxx is a weighing system for vehicles that works by using a hydraulic lift sensor. The sensor measures hydraulic lift pressure changes and converts that number into weight which is displayed in the truck cab.
Navigating the Scale Menu To illuminate the display: press any key one time. To go back: push the ESC key to revert to the previous screen. Any unsaved changes will be erased if you press ESC To select a menu item: use the up or down arrow keys ▲ or ▼ to highlight your chosen menu item.
Calibration For the best calibration results, the tractor and trailer should be: • Parked on level ground • Tractor brakes released • Engine running • Raise the 5th wheel plate 1.5” off of the stoppers for HEAVY weight Once the LoadMaxx Tractor Scale is calibrated, it is not necessary to re-calibrate unless the suspension or hydraulic lift system characteristics change.
Calibrating The Tractor Scale Overview The order of calibration is not important; however, both EMPTY and HEAVY weights must be properly entered before the weight display is accurate. When calibrating, the EMPTY weights must be entered while the vehicle is empty, and the HEAVY weights must be entered while the vehicle is fully loaded.
Calibrating Heavy Weights Use a certified scale to get your drive suspension weight. Make sure the trailer is fully loaded and that the 5th wheel plate is 1.5” off the stoppers when you enter the weight data. 1. Using the same steps you did in entering your Empty weights, navigate to the HEAVY WEIGHT screen 2.
Operations Once calibrated, your Air-Weigh LoadMaxx Tractor Scale is ready to display weights in 20lb (20kg) increments. Continued accuracy is established by following a few simple rules before taking weight readings: 1. Park the tractor and trailer on a level surface 2.
Display Backlight and Set-Up Like other gauges, the scale display is “key-on” powered, so it is always operating. Pressing any key will automatically turn on the display backlight. The display screen will automatically drop into its programmed “sleep mode” with the backlight turns off after one to 30-minutes from the last keystroke operation.
Large Character Display The Air-Weigh LoadMaxx Tractor Scale can display weights on either three lines or two lines. Only the Weights Displays can appear as large characters on two lines. On this display, axle group names are represented by their first letters: S = STEER G = Gross Vehicle Weight (GVW)
Creating a PIN When the trailer scale PIN is set to 0, the operator will not need to enter a PIN to access the PROGRAM menu functions. Setting a PIN into the LoadMaxx Tractor Scale will eliminate tampering with that scale’s CALIBRATION, SCALE TYPE, and PIN settings.
Alarm Function The Air-Weigh LoadMaxx Tractor Scale has two 12V-24V 1.0 amp output alarms. To use the alarm feature, attach the gray or brown alarm output wire stemming from the Tractor ComLink harness to a user-supplied alarm. Wires are marked WARN 1 and WARN 2. Route the ground wire/s for the alarm/s to the WARN GROUND wire/s at the Tractor ComLink harness.
Alarm Function Programming Procedure 1. Press ESC one or more times until the Main Menu appears, with VIEW WEIGHTS blinking. 2. Select ALARMS If PIN is needed for access, enter it at this time. 3. Select SET ALARMS 4. Select ALARM 1 5.
Limited Warranty Air-Weigh warrants (the “Limited Warranty”) that the Products will be free from defects in material and workmanship under normal use and service with proper maintenance for the following time periods: (a) for new Scale kits, the Limited Warranty period will be 3 years; (b) for new parts and accessories sold separately, the Limited Warranty period will be 1 year;...
Procedure For Warranty Claims ALL customers should first contact Air-Weigh Customer Support Department at (888) 459-3247 for questions regarding the use, operation, repair or return of any Air-Weigh product. In the event Air-Weigh requests to examine the product prior to disposition OR for repair or replacement, Air-Weigh requires a Return Material Authorization (RMA) number be issued before the item is returned.
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1730 Willow Creek Circle • Eugene, OR 97402-9152 USA P.O. Box 24308 • Eugene, OR 97402-0437 USA Telephone (541) 343-7884 • Order Desk (888) 459-3444 Customer Support (888) 459-3247 • Fax (541) 431-3121 www.Air-Weigh.com...
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