Air Weigh LoadMaxx 5809 User manual

1
PN 901-0121-000 R5
Air-Weigh Customer Support: 888-459-3247
LoadMaxx
User Guide
for Tractors with a Hydraulic Lift
Model 5809

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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 o󰀨 guided instructions............................................9
Alarm Function..............................................................................10
Alarm Function Programming Procedure...............................11
Turning the Alarm Feature On or O󰀨.......................................11
Limited Warranty............................................................................12
Procedure for Warranty Claims....................................................13

1
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. The scale will display the actual on-ground weight for
the hydraulic lift axle group.
Scale Display Overview
Before using your Air-Weigh Tractor
Scale, you will need to calibrate it.
Below is a denition of the use of each
button. The function and use of these
buttons remain the same throughout all
operations of the scale.
Customer Support
If you cannot correct a problem, or you suspect you have a
malfunctioning part, please contact Air-Weigh Customer Support at
[phone], Monday through Friday, 7 AM–5 PM Pacic Time.
From outside the US and Canada, please call [phone].

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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. The item will blink when it is
highlighted. Choose ENTER to select the blinking item
To save a change: Press the ENTER key
To enter a numeric value: use the up or down arrow keys ▲ or ▼ to
select the correct number. Press ENTER to save your value.
Main menu: Throughout this manual, the term “Main Menu” refers to
the top menu. This menu shows VIEW WEIGHTS, ALARMS, PRINT,
SETUP

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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” o󰀨 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.
Assigning a PIN number during the system set-up process will
protect the calibration procedure from tampering. Normally a
PIN number is not assigned until AFTER the scale has been
calibrated. Air-Weigh Trailer Scales also have a PIN lock-out to
prevent tampering when the trailer is parked, however any Air-
Weigh equipped tractor will still have access to the Trailer Scale’s
calibration function through the in-cab truck scale.
Preliminary Considerations
The accuracy of the LoadMaxx Tractor Scale depends on the
accuracy of the certied scale used to calibrate or check-weigh.
Ensure that the in-ground scale is reliable, recently certied and in
good repair. It is preferable to obtain all weight tickets from the same
certied scale. Segmented scales, those that provide individual
axle group weights, are preferred. When segmented scales are not
available, take extra precaution in calculating weights.

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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. Failure to calibrate scales when
vehicle is actually empty and when it has a true heavy load will result
in inaccurate weights.
Calibrating Empty Weights
Leave the 5th wheel plate at the lowest position on stoppers.
1. Press ESC one or more times until the Main Menu appears,
with VIEW WEIGHTS blinking
2. Select PRINT,SETUP
3. Select SYSTEM SETUP
4. Select CALIBRATION
5. Select MANUAL CALIBRATION
6. Select EMPTY WEIGHT
7. The screen pauses for three seconds with
the display, “ENTER EMPTY – VEHICLE
MUST BE EMPTY” before proceeding automatically to the next
menu
8. On the PICK AXL menu, select DRV (Drive) for the hydraulic lift
If PIN is needed for access, enter it at this time
9. Using the up/down arrows ▲ or ▼, enter 20lbs. for your
EMPTY weight and press ENTER. The screen will briey show
Accepted to indicate its acceptance of the Empty Weight

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Calibrating Heavy Weights
Use a certied scale to get your drive suspension weight. Make
sure the trailer is fully loaded and that the 5th wheel plate is
1.5” o󰀨 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. On the PICK AXL menu, select DRV (Drive) for the
hydraulic lift
3. Using the up/down arrows ▲ or ▼ enter your fully loaded
weight obtained from a certied scale for your HEAVY
weight and press ENTER. The screen will briey show
Accepted to indicate its acceptance of the Empty Weight

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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. If equipped with a trailer dump valve, release trailer brakes
and dump air in trailer suspension for 5 – 10 seconds, then
re-inate to factory-specied ride height.
3. Accurate weight is displayed when numbers stop blinking.
4. Ensure the 5th wheel plate is 1.5” above stoppers at same
position as when it was calibrated.
Scale Settings
Languages
The LoadMaxx o󰀨ers a choice of language:
1. Press ESC one or more times until the Main Menu appears,
with VIEW WEIGHTS blinking
2. Select PRINT,SETUP
3. Select SYSTEM SETUP
4. Select SYS CONFIG
5. Select LANGUAGE
6. Use the ▲ or ▼ buttons to select a language and press
ENTER

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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 o󰀨 after one
to 30-minutes from the last keystroke operation. The factory-set
default time is 5 minutes.
To change the amount of time the display is lit:
1. Press ESC one or more times until the Main Menu appears,
with VIEW WEIGHTS blinking
2. Select PRINT,SETUP
3. Select SYSTEM SETUP
4. Select SYS CONFIG
5. Select DISPLY SETUP
6. Select BACKLIGHT
7. Press the ▲ or ▼ buttons to select time period and press
ENTER
This backlight will automatically dim to the “sleep mode” after the
selected operation time period. To turn on the backlight, press any
button.

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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 rst
letters:
S = STEER
D = DRIVE
T = TRAILER (if one semi trailer, or
full trailer)
F = FRONT TRAILER (full trailer)
R = REAR TRAILER (full trailer)
G = Gross Vehicle Weight (GVW)
N = Net Payload (NET)
A = TRAILER A (if two trailers)
B = TRAILER B (if two trailers)
All other screens always appear as three lines. To change between
two line and three line on the display:
1. Press ESC one or more times until the Main Menu appears,
with VIEW WEIGHTS blinking
2. Select PRINT,SETUP
3. Select SYSTEM SETUP
4. Select SYS CONFIG
5. Select DISPLY SETUP
6. Select WEIGHT SETUP
7. Select 2 OR 3 LINES, leading to the next menu. At the bottom
of the menu the current choice is shown as (Now 2 LINE) or
(Now 3 LINE). At this point you can choose between the two
line display with larger characters, or the three line display.
8. Press the ▲ or ▼ buttons to select 2 LINE DISP or 3 LINE
DISP, and press ENTER

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Turning o󰀨 the guided Instructions - How-To-Weigh
How-To-Weigh instructions are displayed on the tractor scale in
rotation with the actual weight screen. To turn o󰀨 these instructions o󰀨:
1. Press ESC one or more times until the Main Menu appears,
with VIEW WEIGHTS blinking
2. Select PRINT,SETUP
3. Select SYSTEM SETUP
4. Select SYS CONFIG
5. Select DISPLY SETUP
6. Select SHOW / HIDE
7. Select SHOW HELP
8. Select HIDE HELP to turn o󰀨 the How-To-Weigh instructions.
Press ESC repeatedly to return to the main menu
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. After calibration, eets
with both tractor and trailer scales should develop a eet PIN policy to
protect the calibration settings from tampering.
To set a PIN:
1. Select PRINT,SETUP
2. Select SYSTEM SETUP
3. Select SYS CONFIG
4. Select SET PIN #
5. Using the up/down arrows ▲ or ▼ scroll to the desired PIN, then
press ENTER. Press ESC repeatedly to return to main menu
The new PIN is now entered into the scale. To change the PIN later,
repeat these steps and change the setting. Setting the PIN to zero will
reset the scale’s PIN to its original status of No PIN Needed.
Note: that once you gain PIN access by entering the PIN correctly, you
will retain that access until the scale has a power cycle.

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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. Alarms will activate when a
programmed warning weight or alarm weight limit is reached. The
limits activating this feature are set by the user.
Warning weight output is a pulsing voltage, while alarm weight
output is continuous voltage.
You can delay the period between each overweight and the
subsequent activation of the alarm, by up to sixty seconds.
Similarly, you can delay the period between the return to not
overweight, and the alarm’s deactivation, by up to sixty seconds.
These delays can prove useful in moderating alarm responses to
weight oscillations, such as those occurring during travel.
Note: Remember, to deactivate and reset an active warning or alarm
weight, simply press the ENTER button once while alarms are
active, while weights are being displayed. To turn the alarm function
completely o󰀨, go back to the TURN ON/OFF portion of the ALARMS
menu and change the (Now ON) back to a (Now OFF).

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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. Select one of GVW, NET ALM 1, TRCTR ALRMS1, or
TRLER ALRMS1
6. Depending on the previous step:
• select from GVW ALARM and NET ALARM;
• or from STEER ALARM and DRIVE ALARM;
• or from TRLR WARN 1 and TRLR ALARM 1
7. Select WARN WT 1 or ALARM WT 1 for the chosen alarm.
Using the up/down arrows ▲ or ▼ scroll to the desired
warning or alarm weight, then press ENTER
8. Press ESC as needed to start setting any additional desired
alarms. Press ESC repeatedly to return to previous menu or
the main menu. Repeat this procedure for ALARM 2 if used.
Turning The Alarm Feature ON or OFF
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. The bottom line gives the state of the alarm feature, “(Now
ON)” or “(Now OFF).” Select TURN ON/OFF to change this
state to its opposite.

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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; and
(c) for repaired or refurbished items, including repaired or refurbished Scale kits
and repaired or refurbished parts and accessories sold separately, the Limited
Warranty period will be 90 days.
If any Product is determined to not conform to this Limited Warranty during its applicable
Limited Warranty period, Air-Weigh will, at its exclusive option, either repair or replace the
Product.
Limitations of Limited Warranty. Air-Weigh will have no obligation under the Limited
Warranty with respect to any product if (a) Buyer fails to notify Air-Weigh in writing during
the warranty period of a non-conformity, or (b) Buyer or any other person, entity, or
governmental authority uses, misuses, or neglects the product in a manner inconsistent
with the product’s specications or directions for use or maintenance, modies the
product or improperly installs, handles, or maintains the product.
No Repair or Modication of the products. Except as explicitly authorized or in a
separate written agreement with Air-Weigh, Buyer will not service, repair, modify, alter,
replace, reverse engineer, or otherwise change any of the products.
Disclaimer of All Other Warranties. EXCEPT FOR THE LIMITED WARRANTIES SET
OUT ABOVE, NEITHER AIR-WEIGH NOR ANY PERSON OR ENTITY ON AIR-WEIGH’S
BEHALF HAS MADE OR MAKES FOR BUYER’S BENEFIT ANY EXPRESS OR IMPLIED
REPRESENTATION OR WARRANTY WHATSOEVER, INCLUDING ANY WARRANTIES
OF: (i) MERCHANTABILITY; (ii) FITNESS FOR A PARTICULAR PURPOSE; (iii) TITLE;
OR (iv) NON-INFRINGEMENT; WHETHER ARISING BY LAW, COURSE OF DEALING,
COURSE OF PERFORMANCE, USAGE OF TRADE OR OTHERWISE, ALL OF WHICH
ARE EXPRESSLY DISCLAIMED. BUYER ACKNOWLEDGES THAT IT HAS NOT
RELIED ON ANY OTHER REPRESENTATION OR WARRANTY MADE BY AIR-WEIGH,
OR ANY OTHER PERSON OR ENTITY ON AIR-WEIGH’S BEHALF.
Limitation of Liability.
IN NO EVENT WILL AIR-WEIGH BE LIABLE FOR CONSEQUENTIAL, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR ENHANCED DAMAGES,
LOST PROFITS OR REVENUES, OR DIMINUTION IN VALUE, ARISING OUT OF OR
RELATING TO ANY BREACH OF THESE TERMS, REGARDLESS OF WHETHER OR
NOT THE DAMAGES WERE FORESEEABLE, WHETHER OR NOT AIR-WEIGH WAS
ADVISED OF THE POSSIBILITY OF THE DAMAGES, OR THE LEGAL OR EQUITABLE
THEORY (CONTRACT, TORT, OR OTHERWISE) ON WHICH THE CLAIM IS BASED.
IN NO CASE WILL AIR-WEIGH’S AGGREGATE LIABILITY ARISING OUT OF OR
RELATED TO THESE TERMS, WHETHER ARISING OUT OF OR RELATED TO
BREACH OF CONTRACT, TORT (INCLUDING NEGLIGENCE), OR OTHERWISE,
EXCEED THE TOTAL OF THE AMOUNTS PAID TO AIR-WEIGH FOR THE PRODUCTS.
THE FOREGOING LIMITATIONS APPLY EVEN IF BUYER’S REMEDIES UNDER
THESE TERMS FAIL OF THEIR ESSENTIAL PURPOSE.

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Procedure For Warranty Claims
ALL customers should rst contact Air-Weigh Customer Support Department at
[phone] 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. Customer Support will issue the
RMA number. Please reference this RMA number in all correspondence.
Claimed items shall be shipped freight pre-paid to:
Air-Weigh
Customer Support Department
1730 Willow Creek Circle, Suite 100
Eugene, Oregon 97402, USA
The Air-Weigh RMA number must appear on the outside of the return packaging.
Air-Weigh shall examine returned material within 30 days after receipt, or sooner
if mutually agreed upon. If Air-Weigh determines that the part or assembly was
defective in material or workmanship and within the warranty period, Air-Weigh
will repair or replace the part or assembly and return freight pre-paid. In the event
Air-Weigh determines that the part or assembly cannot be repaired or replaced
and is within the warranty period, a credit not to exceed the purchase price will be
issued to the Air-Weigh customer.
For our customers using purchase orders Air-Weigh will process a credit
memo and notify the customer by email or fax. The customer will process a
corresponding debit memo and notify Air-Weigh accordingly.
If the part or assembly received by Air-Weigh does not meet the requirements of
the warranty program set forth above, at the Air-Weigh customer’s request the
part or assembly will either be discarded, returned freight collect, or repaired or
replaced at the Air-Weigh customer’s expense and returned freight collect.

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1730 Willow Creek Circle • Eugene, OR 97402-9152 USA
P.O. Box 24308 • Eugene, OR 97402-0437 USA
Telephone [phone] • Order Desk [phone]
Customer Support [phone] • Fax [phone]
www.Air-Weigh.com