5200 series on-board electronic scale installation, calibration

5200 series on-board electronic scale installation, calibration
THE ACCURATE ON-BOARD ELECTRONIC SCALE
for Air-Ride Trucks & Trailers SM
Patents #5,478,974; #623,635; #4,832,141
5200 SERIES ON-BOARD ELECTRONIC SCALE
INSTALLATION, CALIBRATION & OPERATIONS MANUAL
AW5200
TRACTOR ONLY KIT
AW5235
TRAILER ADD-ON KIT
5200 SERIES ON-BOARD ELECTRONIC SCALE
INSTALLATION, CALIBRATION & OPERATIONS MANUAL
THE ACCURATE ON-BOARD ELECTRONIC SCALE
for Air-Ride Trucks & Trailers
SCALE SYSTEM OVERVIEW
SM
Patents #5,478,974; #623,635; #4,832,141
The Air-Weigh 5200 scale converts truck
and trailer air-spring air pressure to an accurate weight.
The scale determines how much weight per
pound of air pressure your suspension is
supporting. This is accomplished by comparing empty and loaded vehicle weights
with the air pressures required to support
5200 SERIES ON-BOARD ELECTRONIC SCALE
Scale
Existing J560
Disconnect Socket
Existing J560
Disconnect Socket
those weights. Once calibrated, the scale will
display the actual on-the-ground weight of
each axle group to within 200 - 300 lbs.
(90-136 kgs.) of an accurate platform scale.
To some extent, accuracy depends on weighing the vehicle on a flat and level surface
and the physical characteristics of the air suspension system itself.
TABLE OF CONTENTS
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ComLink RSP
ComLink RSP
Sensor
Sensor
COMPONENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SPECIFICATIONS
Scale Power Input: 8 - 28 VDC, self-regulated
Scale Dimensions:
W = 6-1/2"
L = 8-3/4"
H = 2-1/2"
Sensor Input (from ComLink): 8 VDC
Sensor Output: 1 - 6 VDC to ComLink
processor
Sensor Capacity: 0 - 125 psi
Sensor Operating Temperature: -30° to +80° C.
ComLink Power Input: 8 - 30 VDC,
self-regulated
ComLink Output: Digital
(no measurable DC voltage)
ComLink Dimensions:
W = 7-3/4"
L = 4-1/4"
H = 3-1/4"
PRE-INSTALLATION CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
INSTALLATION
Installing Scale in Cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installing Pressure Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installing ComLink Remote Sensor Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installation Pre-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CALIBRATION
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Weighing a Leaf Spring Steer Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Entering Empty Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
LIMITED WARRANTY
Your Hi-Tech Transport Electronics product is warranted against defects in materials or workmanship
for one year from the date of the original purchase.
Any Hi-Tech Transport Electronics product, which,
because of a manufacturing mistake, malfunction
or proves to be defective within the one year
warranty period, will be repaired or replaced, at
Hi-Tech Transport Electronics’ option, and at no
charge to you, provided it is returned to Hi-Tech
Transport Electronics with proof of purchase.
This warranty does not cover incidental or consequential damage to persons or property caused by
use, abuse, misuse, or failure to comply with installation or operating instructions. Some states do not
allow the exclusion or limitation of incidental or
consequential damages, so the above warranty does
not apply in those states. This warranty gives you
specific legal rights and you may also have other
rights, which vary state to state.
For repairs or replacement, please return the defective part of your Hi-Tech Transport Electronics
product with proof of purchase to: Hi-Tech Transport Electronics, Product Support Department,
2895 Chad Drive, Eugene, Oregon 97408, USA.
Entering Full Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
OPERATION
Turning the Scale System On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Weighing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Drop and Hooking Trailers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Fine-Tuning Weight Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Scale Interfaces
Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
QUALCOMM OmniTRACS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
On-Board Computers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Hi-Tech Transport Electronics, Inc.
OPERATING FUNCTIONS: STEP-BY-STEP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 - 16
2895 Chad Drive • Eugene, Oregon 97408-7345 USA
P.O. Box 70301 • Eugene, Oregon 97401-0117 USA
Telephone (541) 342-1521 • Order Desk (800) 938-2500 • Fax (541) 342-3307 • Internet: www.air-weigh.com
TROUBLESHOOTING TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 - 18
Copyright © 1997 Hi-Tech Transport Electronics, Incorporated. All rights reserved.
Air-Weigh, ComLink and Hi-Tech Transport Electronics
are registered trademarks of Hi-Tech Transport Electronics, Incorporated.
Other brand, product, or service names listed in this document
are the trademarks or registered trademarks of their respective holders.
July 1997
2
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AIR-WEIGH PRODUCT SUPPORT
If you cannot correct a problem, or you suspect you have a malfunctioning part, please contact
AIR-WEIGH PRODUCT SUPPORT at (800) 938-2500, Mon. - Fri., 8 am - 5 pm Pacific Time. Outside
U.S. and Canada, please call (541) 342-1521.
3
COMPONENT DESCRIPTION
FUNCTIONS
ELECTRONIC DIGITAL SCALE
The electronic digital scale is used to indicate active functions and to display weights,
date and time. By using the four input keys,
the user can access the functions and enter
calibration data.
ELECTRONIC PRESSURE SENSORS
The pressure sensor measures the air pressure in your tractor and trailer air springs and
converts the pressure to an electronic signal.
COMLINKTM REMOTE SENSOR PROCESSOR
(RSP)
The ComLink Remote Sensor Processor
(RSP) provides two functions. It stores cali-
bration data that is specific to each axle
group and communicates with the scale in
the cab by multiplexing digital signals over
the vehicle’s existing 7-wire electrical harness. Each RSP is identified as either a #1, 2,
3, 4, 5, 6, or 1/2. The #1/2 RSP enables a leaf
spring suspension steering axle to be calibrated, and weight be predicted, by measuring the amount of weight transferred to the
steer axle from the tractor drive suspension.
6
1
7
12
8
9
3
4
6
7
5
7
8
11
6
10
9 10 11 12 13 14
5
D
B
C
INPUT KEYS
4
9
8
A
ComLink cable comes in several configurations and is used to communicate between
components or with the vehicle’s existing
7-wire electrical harness. Each is labeled and
has specific connectors for specific functions.
12
10
2
COMLINKTM CABLE
3
5
1
A. Select: Press and release to move the indicator light from function to function.
The SELECT key is also used to select
axle groups.
B. Enter: After you select the desired function,
press and release the ENTER key to activate the CAL, AXLE and NET functions.
The ENTER key is also used to accept
numbers entered with the Ô and Õ keys.
C. Ô: Decreases the displayed TIME, DATE,
EMPTY, FULL, and calibration-access PIN
(Personal Identification Number). Also
used to display weight information in kilograms (KILO light is lit).
D. Õ: Increases the displayed TIME, DATE,
EMPTY, FULL, and calibration-access
PIN (Personal Identification Number).
Also used to display weight information
in pounds.
Hint: The longer you hold the arrow buttons down,
the faster the numbers will move. To slow down the
movement, release your finger from the button
momentarily. The time is displayed as a 24-hour
clock. The date is displayed Month/Day/Year.
11
FUNCTION INDICATOR LIGHTS
PARTS LIST
Check the parts you need in the columns corresponding to the kit you will be installing.
PART DESCRIPTION
AND
PART NUMBER
#1 - Scale, Digital Electronic 050-5220
#2 - Mounting Screws 131-4020
#3 - 50' Disconnect Cable 010-8006
#4 - 60' Disconnect Cable 010-8005
#5 - ComLink RSP (Remote Sensor Processor) 050-5050
#6 - ComLink RSP Mounting Bolts 1/4 - 20 x 1 131-4065
#7 - ComLink RSP Mounting Nuts 132-4070
#8 - Pressure Sensor 010-9080
#9 - 6' Sensor Cable 010-8002
#10 - Brass Street Tee – 1/4" 150-4057
#11 - Nylon Wire Ties 145-4552
#12 - Crimp-On Eyes 139-4054
#13 - Installation Manual 901-0500
4
TRACTOR
ONLY KIT
5200
1
2
2
1 (#1/2)
4
4
1
1
1
50
4
1
TRAILER
ADD-ON KIT
5235
1. Kilo: Lit when the scale displays weight in
kilograms. If the KILO function light is not
lit, the scale displays weight in pounds.
2. Scan: The scale scans all active AXLE
GROUPS and GVW when lit.
3. GVW: Provides the total weight of all
ComLink-equipped axle groups.
4. NET: Provides the net payload increase or
decrease from the current GVW.
1
1 (#3)
4
4
1
1
1
25
4
1
5. NEG: Indicates a decrease in weight from
when the NET function was zeroed.
6. Axle: Indicates that an axle group weight
is displayed or is being calibrated.
7. Port: Indicates the scale is prepared to
print a weight receipt or transfer information to a computer or communications
device (press and release the ENTER key
to print or transfer scale information).
8. Time: Indicates that the current time is
being displayed (HH/MM/SS: H = Hour,
M = Minute, S = Seconds).
9. Date: Indicates that the current date is
being displayed (MM/DD/YY: M = Month,
D = Day, Y = Year).
10. CAL: Indicates that the calibration function has been selected.
11. Empty: Indicates that the empty (unloaded) weight entered during calibration is being displayed (or the factory
default value).
12. Full: Indicates that the full (loaded)
weight entered during calibration is being
displayed (or the factory default value).
13. Ratio: Indicates that the ratio calculated
during calibration is being displayed. The
ratio is the number of pounds supported
for every psi of air pressure in the suspension system. (Display only.)
14. Offset: Indicates that the offset calculated
during calibration is being displayed. The
offset represents the weight on the tractor or trailer not being supported by the
air suspension system. (Display only.)
5
PRE-INSTALLATION CONSIDERATIONS
INSTALLATION
CONNECTING TO ELECTRICAL SYSTEM
GENERAL RECOMMENDATIONS
The 5200 scale series communicates between
tractor and trailers using a multiplexing technology to piggy-back its signals over the vehicle’s existing 7-wire electrical harness without
any interference. No additional J560 disconnect is required between tractor and trailer.
The scale and its ComLink RSPs are wired directly to Common Ground and Power of the
7-wire harness at any convenient access point.
The current 5200 scale system includes an
internal modification that can simplify installation by reducing the electrical connections
from four to two. Twist the Red and White ComLink wires together to form the Power connection; and twist the Black and Green ComLink
wires together to form the Ground connection.
Then take the Black/Green ComLink wires
to Common Ground in the existing 7-wire electrical harness. Take the Red/White ComLink
wires to Power. If an On/Off switch is desired,
an in-line switch (050-1260-001) is available.
PREFERRED INSTALLATION METHOD
7-Wire Harness
Blue (12 VDC Power)
White (Ground)
ComLink Cable
Red and White (Power)
Black and Green (Ground)
The preferred option for Power is the Blue
wire auxiliary circuit, because all new North
American tractors are now wired full-time
Blue-power to service trailer ABS systems.
NOTE: On March 1, 1998 all new trailers will
also be wired with the Blue circuit as full-time
power for trailer ABS systems. By that time,
Air-Weigh will convert to a basic 2-wire installation procedure with Power connected to
the Blue circuit and Ground to the Common
White circuit. Air-Weigh will also include several additional multiplexing switching circuits
that customers can use to turn on and off
equipment on the trailer, so additional connectors do not have to be installed. By wiring your
current Air-Weigh scale to the Blue and White
circuits now, you avoid subsequent changes.
ALTERNATE INSTALLATION METHOD
7-Wire Harness
Black or Brown (Markers)
White (Ground)
ComLink Cable
Red and White (Power)
Black and Green (Ground)
If the trailer is currently using the blue circuit to switch/power lights or valves, and you
want to continue that procedure, you might
want to take the Red/White ComLink wires
to the Marker light circuit, usually Black
and/or Brown on the 7-wire electrical harness (must be the same circuit on both tractors and trailers). To Power the scale system,
you’d turn on that marker light circuit.
6
SEPARATE LEFT AND RIGHT SIDE
HEIGHT CONTROL VALVES
If you have dual height control valves (air
suspension with both right and left height
control valves on the same axle group),
you’ll need a #000-5265 Dual Sensor Processor Kit to combine left and right air pressure
signals into a single axle group weight.
WEIGHING A LEAF SPRING STEER AXLE
Even though the steer axle may have a leaf
spring suspension, the AW5200 scale can still
predict its weight by determining how much
weight is transferred from the drive axles to
the steer axle.
• The pressure sensor may be installed on
any airbag in the suspension system, so
choose the one easiest to work with.
• Not all disconnect cables are the same
length. Determine where each cable will
be installed prior to proceeding with the
installation. If you do not have enough
cable to complete the installation, contact
your Air-Weigh distributor or contact
Air-Weigh Technical support to receive
the cable you need.
• You may cut any ComLink cable to length.
• Do not wire-tie cables until you have installed the entire kit.
• Each tractor and trailer has unique characteristics that should be considered when
you install your Air-Weigh scale system.
Most importantly is access to the vehicle’s
existing 7-wire electrical harness. Check the
backs of the disconnect sockets for access.
If your trailer has a 7-pin junction box close
to the trailer axle group, you may want to
route the trailer ComLink RSP cable to it
instead of the trailer 7-pin disconnect
socket. This will reduce installation time.
• Some tractors have under-dash accessibility.
Many wiring harnesses are now “plug and
play”, so drop plugs can be inserted at the
backs of light sockets. The trailer rear sill
generally has easy access to the Blue circuit.
• Set the tractor fifth wheel or turntable to a
position that is forward of neutral, so an
increase of weight on the drive axles results
in an increase of weight on the steer axle.
Many truckload operators set it where both
the drive axles AND the steer axle are at
the maximum GVW limit. Fuel level will
effect steer axle weight accuracy, but not
the drive axle accuracy.
• Calibrate AXLE group #1 for the steer
axle weights and #2 for the drive axles’
weights. The standard tractor ComLink
RSP provides both # 1 and 2 weight display
channels.
DEVELOP A FLEET-WIDE CHANNEL
ASSIGNMENT PLAN
It is imperative that you do not install identically numbered ComLink RSPs on the same
tractor/trailer combination. We recommend
that you develop a fleet-wide channel numbering plan (call Air-Weigh Product Support
at 800-938-2500 for assistance in your plan).
Generally, numbering should start with channel #1 on the steer axle, then assign channels
towards the rear of the vehicle (#2 on the
drive axles, #3 on the trailer, etc.). If you have
any jeeps in your fleet, you may want to
reserve channel #3 for jeeps (when a jeep is
not in place, the scale will skip channel #3,
displaying #1,2, and 4, etc.).
Maintaining consistency throughout a fleet
of tractors and trailers allows trailers to be
swapped freely.
The AXLE GROUP number you select on
the scale displays information from the RSP
with the corresponding number. For example, when the scale AXLE GROUP 2 light is
illuminated, you are reading information
from the RSP labeled 2.
INSTALLING A SCALE IN THE CAB
Step 1: Select a location for the scale with
adequate clearance for the cables.
Step 2: Use the mounting bracket as a template to mark location of two 1/8" holes for
the self-tapping mounting screws.
Hint: Do not mount the scale in the bracket until
after cables are attached to scale.
Step 3: Attach the Disconnect Cable to the
scale and route to a convenient access to the
vehicle’s existing 7-wire electrical harness.
Because you will also be connecting a ComLink processor to the tractor’s 7-wire electrical harness, you might not want to connect
to the harness until you’ve decided where
both cables are to be routed. You may cut the
cables to length, but leave enough length to
tie-wrap the cable after you complete the Installation Pre-Test. See page 6 for recommended connection method.
If connecting at the back of the 7-pin disconnect socket, unbolt the disconnect socket for
easier access.
If you purchased a printer with your scale or
you plan to interface the scale to a personal
computer, plug the serial port cable into the
PRINTER data port (RS232 PORT) on the
scale back panel. When connecting the
printer to the system use the cable provided
or any 9-pin serial port extension cable.
When connecting a personal computer to the
system, use a 9-pin serial port null-modem
cable. Refer to the printer or computer manual for operation instructions.
Step 4: Mount scale to bracket.
7
INSTALLATION CONTINUED
INSTALLING A PRESSURE SENSOR
Note: If you have two height control valves on a
single axle group you must use an Air-Weigh Dual
Sensor Processor Kit (000-4053) to accurately
measure the axle group weight. The kit includes
an extra pressure sensor, sensor cable and Dual
Sensor Processor to combine air pressure signals
from each leveling valve into a single, averaged
pressure signal. This signal is then communicated
to the ComLink RSP. Follow the instructions in
the Dual Sensor Processor Kit for installation before
proceeding with the installation.
Note: Sensor fitting size is for 1/4" airlines. Other
size fittings available at truck parts stores.
Note: Plan ahead. Once the sensor is completely installed, you will need to secure it to existing airlines
and cables with tape.
Caution: Do not plan to tie it to the chassis or any
other metal object on the vehicle. This may result
in sensor damage and potential grounding.
1. Clean a six-inch section of undamaged airline near an airbag.
2. Cut the airline in the middle of the
cleaned area.
3. Push the cut end of each of the airlines
completely into the sensor pressure fitting
openings.
4. Use electrical tape to secure the sensor to
the existing airlines and cables. To avoid
potential grounding, tape over the entire
metal sensor and fitting. Do not allow the
sensor assembly to come into direct contact
with other metal.
Caution: Do not apply tape over the end of the
black wire protruding out of the cable (approximately five inches down the sensor cable from the
brass pressure fittings).
INSTALLING A COMLINK
REMOTE SENSOR PROCESSOR (RSP)
The ComLink RSP provides two functions. It
stores calibration data that is specific to each
axle group and communicates with the scale
in the cab by multiplexing digital signals over
the vehicle’s existing 7-wire electrical harness.
It is connected to both a pressure sensor and
the vehicle’s
7-wire electrical harness.
Each RSP is
programmed
to communicate its weight
information
on a separate axle group channel, so each
RSP is identified as either a #1, 2, 3, 4, 5, 6,
or 1/2. The #1/2 RSP enables a tractor with
8
INSTALLATION CONTINUED
a leaf spring suspension steering axle to be
calibrated, and weight be predicted, by measuring the amount of weight transferred to
the steer axle (channel #1) from the tractor drive suspension (channel #2). If your
tractor has an air-ride steer axle, then order
and install the RSP #1 on the steer axle suspension and the RSP #2 on the drive axle
suspension, instead of the #1/2 RSP on the
drive axles.
If ComLinks are being installed on a fleet
that drops and hooks a variety of longcombination vehicles, some planning should
be considered so that no two trailer elements
with the same ComLink channel number
would normally be coupled together. As an
example, all jeeps would be channel 3, all
trailers channel 4, and all boosters channel 5.
If the jeep is dropped, channel 3 would not
display a weight, but the trailer would continue to display its weight on channel 4.
Step 1: Locate a flat vertical surface large
enough to mount the ComLink RSP within
six feet of the Air-Weigh pressure sensor. It
is very important that the RSP be mounted so
that moisture properly drains out the bottom
drain hole.
Step 2: Drill 1/4" mounting holes.
Step 3: Insert the 6' Sensor Cable 5-pin plug
into the 5-pin socket on the back of the
ComLink RSP.
Step 4:
Insert another
50-ft. Disconnect
Cable 4-pin plug
into one of the
4-pin sockets on
the back of the
ComLink RSP.
Step 5:
Tie-wrap
the Sensor
Cable
and the
Disconnect
Cable to
the RSP
housing.
Step 6: Route the 50-ft. Disconnect Cable
loose end to a convenient access to the vehicle’s existing 7-wire electrical harness. You
may cut the cable to length, but leave
enough slack to tie-wrap the cable securely.
See page 6 for recommended connection
method.
NOTE: Do not bolt the ComLink RSP to the
frame until after Pre-Test.
INSTALLATION PRE-TEST
Step 1: Set the tractor ignition to the ON
position and pressurize the vehicle’s air
suspension. Verify there are no air leaks.
Step 2: The scale will display factory-programmed EMPTY and FULL weights until it
is completely calibrated.
Step 3: Verify the scale front panel lights flash
on. If the scale lights do not come on, check
that the Red/White and Black/Green Disconnect Cable wires are properly connected.
Step 4: Press and release the scale SELECT
button repeatedly. Verify the function light
moves across the top of the scale front panel.
Step 5: Press and release the SELECT button
until the SCAN function light is lit.
Step 6: Verify that the GVW and AXLE function lights alternately are lit as the scale scans
each function. When the AXLE function
light is lit, each AXLE GROUP light should
also light in turn. If AXLE GROUP light does
not light, check the indicator light on the
face of the RSP itself for a flashing red light.
The Morse code-type flashes are error codes.
Refer to page 17 for explanation.
Step 7: Verify the light on the label of each
ComLink RSP flashes green.
Step 8: Turn OFF the tractor ignition.
FINISHING TOUCHES ON THE INSTALLATION
Step 1: Use the tie-wraps to form a dip in the
Sensor Cable at all sensors. This will help
prevent water from running down the cable
into the sensor socket.
Step 2: Once the system is installed and passes
the Installation Pre-Test, bolt on ComLink
RSP and tie-wrap all ComLink cables to the
existing tractor and trailer cables, wires and
hoses. Seal the wiring connections in an
appropriate manner to prevent corrosion.
Leave a small amount of slack in the ComLink
cable at all connections.
THE INSTALLATION IS NOW COMPLETE.
NOTE: You must calibrate your Air-Weigh scale
before it will display accurate weight readings.
CALIBRATION
BEFORE CALIBRATING THE SCALE,
PLEASE NOTE
• Your Air-Weigh scale is only as accurate as the
commercial scale weights you use to calibrate.
• Weigh on level ground, with the brakes released and the engine running. Move your
truck slightly to make sure the suspension
and height control valves have fully inflated
to factory-specified ride height. It may take
a few minutes for the suspension to fully
compensate, depending on the size of the
ports and type of height control valve.
Calibrate the scale on the weighing platform or on another nearby flat surface.
Reapply the brakes after calibration.
Do not leave the truck while the brakes are
released.
• When calibrating the drive axles (channel
#2), do not include the weight of the steer
axles.
• You must complete the entire calibration
procedure for both EMPTY and FULL
weights before measurements are accurately
displayed on the scale. The FULL weight
does not need to be precisely up to the maximum legal weight, but the heavier the
weight, the more accurate your scale will be.
• Calibration weights must be entered in
20 lb. (10 kgs.) increments.
• The scale does not begin communicating
with the RSP until the function light is
moved off CAL. After entering a weight,
press the ENTER key, then the SELECT key
until the AXLE function light is lit, then wait
for programming. Do not move the truck
or use any of the function buttons on the
scale during this time. After about 20 seconds, the display numbers will change. Proceed to the next axle group for calibration.
WEIGHING A LEAF SPRING STEER AXLE
Even though the steer axle may have a leaf
spring suspension, the AW5200 scale can still
predict its weight by determining how much
weight is transferred from the drive axles to
the steer axle.
• Set the tractor fifth wheel or turntable to a
position that is forward of neutral, so an
increase of weight on the drive axles results
in an increase of weight on the steer axle.
Many truckload operators set it where both
the drive axles AND the steer axle are at
the maximum GVW limit. Fuel level WILL
affect steer axle weight accuracy, but not
the drive axle accuracy.
• Calibrate AXLE group #1 for the steer axle
weights and #2 for the drive axles weights.
The standard tractor ComLink processor provides both #1 and #2 weight display channels.
9
CALIBRATION CONTINUED
CALIBRATION CONTINUED
NOTE: For instructions on Weighing a Leaf Spring Steer Axle, see previous page.
ENTERING EMPTY WEIGHTS
Step 1: Weigh the tractor steer axle, the drive
axle group, and trailer axle group empty.
The steering axle should not be included in
the tractor drive axle calibration. If you wish
to display steer axle weights you must calibrate
the steer axle separately to AXLE GROUP #1.
Step 2: Immediately enter the weight showing
on the certified scale into your Air-Weigh scale.
Enter while the truck is still empty. It is vital
for proper calibration that the weight of the
vehicle does not change between the time
you weigh on the certified scale and the time
you enter the calibration weights.
TO ENTER EMPTY WEIGHT FOR AN AXLE GROUP DURING CALIBRATION:
OPERATION
RESULT
1. Press the SELECT key until the AXLE function light is lit.
The AXLE function light is lit.
ENTERING FULL WEIGHTS
Step 1: Weigh the tractor drive axle and the
trailer axle groups fully loaded. Load the
trailer and connect it to the tractor.
If possible, use the same certified scale that
was used for the empty weights.
The steering axle should not be included in
the tractor drive axle calibration. If you wish
to obtain steer axle weights you must calibrate
the steer axle separately.
Step 2: Immediately enter the weight showing on the certified scale receipt into the
Air-Weigh scale. Enter while the trailer is still
loaded. The vehicle need not be fully loaded
to the maximum weight, but the greater the
difference between empty and loaded, the
more accurate the calibration and display.
TO ENTER FULL WEIGHT FOR AN AXLE GROUP DURING CALIBRATION:
OPERATION
RESULT
1. Press the SELECT key until the AXLE function light is lit.
The AXLE function light is lit.
2. Press the ENTER key.
The AXLE function light and one of the six AXLE GROUP lights flash.
2. Press the ENTER key.
The AXLE function light and one of the six AXLE GROUP lights flash.
3. Press the SELECT key until the desired AXLE GROUP
light is lit.
The display shows the axle’s weight (if calibrated) for each
axle as each flashing AXLE GROUP light is selected.
3. Press the SELECT key until the desired AXLE GROUP
light is lit.
The display shows the axle’s weight (if calibrated) for each
axle as each flashing AXLE GROUP light is selected.
4. Press the ENTER key.
The display shows the selected axle’s weight. The AXLE function
light and AXLE GROUP light stop flashing but remain lit.
The desired AXLE GROUP is selected.
4. Press the ENTER key.
The display shows the selected axle’s weight. The AXLE function
light and AXLE GROUP light stop flashing but remain lit.
The desired AXLE GROUP is selected.
5. Press the SELECT key until the CAL function light is lit.
The CAL function light is lit. RSP revision # is displayed.
5. Press the SELECT key until the CAL function light is lit.
The CAL function light is lit.
6. Press the ENTER key.
The CAL function light flashes on and off. Display is blank.
6. Press the ENTER key.
The CAL function light flashes on and off.
7. Press the Ô or Õ key until the correct PIN
(Personal Identification Number) is displayed.
The correct PIN number is displayed. (Factory default PIN is 1.
If you wish to change the PIN, contact Air-Weight Product Support.)
7. Press the Õ key until the correct PIN (Personal
Identification Number) is displayed.
The correct PIN number is displayed. (Factory default PIN is 1.
If you wish to change the PIN, contact Air-Weight Product Support.)
8. Press the ENTER key.
CAL light is lit, and the EMPTY and selected AXLE GROUP lights
flash on and off. The display shows the current axle empty weight.
8. Press the ENTER key.
CAL light is lit, and the EMPTY and selected AXLE GROUP lights
flash on and off. The display shows the current axle empty weight.
9. Press the Ô or Õ key to change the EMPTY number on the
display. When re-entering the same weight number, press the
Õ button once, then the Ô button once. This alerts the
scale that you really want to re-enter the same number again.
The displayed numbers increase or decrease.
9. Press the SELECT key once to light the FULL function light.
The FULL function light is lit.
10. When the desired empty weight has been displayed,
press the ENTER key.
CAL, EMPTY and AXLE GROUP lights stop flashing.
The axle EMPTY weight is entered, but not yet displayed.
11. Press the SELECT key until the AXLE function light is lit.
The CAL function light extinguishes. The AXLE function light is
lit (the SCAN function light is not lit). The display should read 0.
If not, calibration was not entered.
12. Wait until the display changes from 0 to a four- or five-digit
number. The scale will not display the correct weight until both
the EMPTY and the FULL weight calibrations are completed.
Step 3: To enter the empty weight of axle
group 3 (the trailer axles):
1. Weigh the trailer axle group only.
2. Immediately enter the weight showing on
the certified scale receipt into the Air-Weigh
scale while the trailer is still empty.
3. Follow steps 1 - 12 above.
10
The display changes from 0 to a four- or five-digit number.
The number may not be the correct weight until both the EMPTY
and the FULL weight calibration is completed.
After entering the empty weight numbers, be
sure to SELECT the function light to AXLE
and wait for the display to change from 0 to a
four- or five-digit number.
Step 4: Repeat this procedure for each additional axle group you wish to calibrate.
10. Press the Ô or Õ key to change the FULL number on the
display. When re-entering the same weight number, press the
Õ button once, then the Ô button once. This alerts the
scale that you really want to re-enter the same number again.
The displayed numbers increase or decrease.
11. When the desired FULL weight has been displayed,
press the ENTER key.
CAL, EMPTY and AXLE GROUP lights stop flashing.
The axle FULL weight is entered, but not yet displayed.
12. Press the SELECT key until the AXLE function light is lit.
The CAL function light extinguishes. The AXLE function light is
lit (the SCAN function light is not lit). The display should read 0.
If not, calibration was not entered.
13. Wait until the display changes from 0 to a four- or five-digit
number. The scale will not display the correct weight until both
the EMPTY and the FULL weight calibrations are completed.
The display changes from 0 to a four- or five-digit number.
The number may not be the correct weight until both the EMPTY
and the FULL weight calibration is completed.
Step 3: To enter the full weight of axle
group 3 (the trailer axles):
1. Weigh the trailer axle group only.
2. Immediately enter the weight showing on
the certified scale into the Air-Weigh scale.
Enter the weight while the truck is still loaded.
3. Follow steps 1 - 13 above.
After entering the empty weight numbers, be
sure to SELECT the function light to AXLE
and wait for the display to change from 0 to a
five digit number.
If both EMPTY and FULL numbers have
been calibrated, the display should now be
showing a weight that is within a few pounds
of what you entered.
Step 4: Repeat this procedure for each additional axle group you wish to calibrate.
11
OPERATION
TURNING THE SCALE SYSTEM ON
Step 1: Turn ON power to the scale.
Step 2: If the ComLink RSP is communicating with the scale properly, each active AXLE
GROUP light will flash periodically and the
light on each RSP will flash green repeatedly.
WEIGHING
Once calibrated, the scale will display the
actual on-the-ground weight of each axle
group to within 200 - 300 lbs. (125 kgs.) of an
accurate platform scale. Weight will be displayed in 50 lb. (20 kgs.) increments. To
some extent, accuracy depends on weighing
the vehicle on a flat and level surface and the
physical characteristics of the air suspension
system itself. The vehicle’s suspension system
must be operating properly and its leveling,
or height control valve must be set at the
factory-specified ride height.
Step 1: Weigh on flat and level ground, with
the brakes released and the engine running.
Move the vehicle slightly to make sure the
suspension and height control valve have
fully inflated to factory-specified ride height.
It may take a few minutes for the suspension
to fully compensate, depending on the size
of the ports and type of height control valve
you have. Reapply the brakes after weighing.
If you must leave the cab while the brakes are
released, block the wheels.
If you are on an incline, or in a pothole,
weights will vary.
Forward, backward and left to right incline
will alter weights. To a small extent, even
winds may affect the readout as it rocks the
vehicle on the suspension.
Step 2: Then do one of the following:
• Select an AXLE GROUP to weigh; or
• Select GVW to total the weight on all active
axle groups with RSPs; or
• Select SCAN to scan between all active axle
groups; or
12
OPERATION CONTINUED
• Select PORT and press and release the
ENTER key to download weight data (only
if you have installed a printer, personal
computer, and/or communications equipment to the serial ports on the rear panel
of the scale).
Reapply brakes after weighing.
DROP AND HOOKING TRAILERS
It is imperative that you do not install identically numbered RSPs on the same tractor/
trailer combination. We recommend that
you develop a fleet-wide channel numbering
plan (call Air-Weigh Product Support at 800938-2500 for assistance in your plan). Generally, numbering should start with channel
#1 on the steer axle, then assign channels
towards the rear of the vehicle (#2 on the
drive axles, #3 on the trailer, etc.). If you have
any jeeps in your fleet, you may want to
reserve channel #3 for jeeps (when a jeep is
not in place, the scale will skip channel #3,
displaying #1, 2, and 4, etc.).
Maintaining consistency throughout a fleet
of tractors and trailers allows trailers to be
swapped freely.
The AXLE GROUP number you select on
the scale displays information from the RSP
with the corresponding number. For example, when the scale AXLE GROUP 2 light is
illuminated, you are reading information
from the RSP labeled 2.
TO FINE-TUNE WEIGHT DISPLAY
For the most accurate weighing, fine tune
only when the vehicle is most heavily loaded.
Step 1: Select the AXLE GROUP that you
wish to fine-tune.
Step 2: Set the scale to the CAL mode.
Step 3: Re-enter a new FULL weight. When
re-entering the same weight number, press
the Õ button once, then the Ô button
once. This alerts the scale that you really
want to re-enter the same number again.
TO OPERATE THE SERIAL PORT
QUALCOMM OMNITRACS REPORTS
The RS232 serial port permits connecting
with on-board computers, printers and satellite communications equipment.
The serial port has been programmed to
provide multiple print reports, each with
exactly the same data (including date/time).
At the instant the PORT function is selected
and the PORT light becomes lit, the report
data is stored for the serial port. Operator
must SELECT another function before the
report data is updated.
The report includes date, time, weight of
each active axle group and GVW. The scale
display will blank momentarily when the
ENTER key is pressed. The weight data has
been transferred when the scale display
illuminates. Verify the MSGS BEING SENT:
indicator on the QUALCOMM display increases by one message. Once the weight
data is successfully transmitted, the MSGS
BEING SENT: will decrease.
PRINTING REPORTS
Any serial-type printer can be used with the
AW5200 scale.
There are two types of data reports available:
1. Weight Receipt
Report – Report
includes date,
time, weight of
each axle group,
GVW, net
change of payload weight, and
signature lines
for driver and
customer.
2. Calibration
Report –
Calibration
Weight Report
information from
each ComLink
RSP will be
printed.
There are currently
two types of printers
available from
Air-Weigh:
• Model P2242
– a 4" graphics
printer that is
customizable
• Model DPU-201GS
– a 2" text-only
Calibration Report
printer
Printers supplied by Air-Weigh are powered
by the scale through the RS232 serial port
and printer cable. Plug one end of the
PRINTER CABLE into the PRINTER 9-pin
RS232 serial port. Plug the other end of the
cable directly into the PRINTER 9-pin RS232
serial port on the back of the scale. Read and
follow instructions included with printer.
ON-BOARD COMPUTERS
To interface with a computer, you must first
install a standard communications software
package. Contact your local dealer for
Air-Weigh 5000 Serial Port Application
Notes or call Air-Weigh Product Support at
800-938-2500 during normal U.S. West Coast
business hours. If connecting to a computer,
follow any additional instructions that accompany the computer software.
TO USE THE SERIAL PORT
Press and release the SELECT key
until the PORT function light is lit.
Press the Ô or Õ until the desired
Port Menu Selection number appears on the display. Press the
ENTER key to download the data
through the serial port.
PORT MENU SELECTION NUMBERS
1. Printer Model P2242
WEIGHT REPORT
2. Printer Model P2242
CALIBRATION REPORT
3. QUALCOMM
OmniTRACS REPORT
4. Printer Model DPU-201GS
WEIGHT REPORT
5. Printer Model DPU-201GS
CALIBRATION REPORT
13
OPERATING FUNCTIONS
OPERATING FUNCTIONS CONTINUED
SELECTING AN AXLE
OPERATION
DISPLAYING THE NET VALUE
RESULT
1.
Press the SELECT key until the AXLE function light
is lit.
The AXLE function light is lit.
2.
Press the ENTER key.
The AXLE function light and one of the six AXLE GROUP
lights flash.
3.
Press the SELECT key until the desired AXLE GROUP
light is lit.
The display shows the axle weight (if calibrated) for each
axle as each flashing AXLE GROUP light is selected.
4.
Press the ENTER key.
The display shows the selected axle’s weight. The AXLE
function light and AXLE GROUP light stop flashing.
The desired AXLE GROUP is selected.
DISPLAYING IN KILOGRAMS
OPERATION
RESULT
1.
Press the SELECT key until the CAL function light is lit.
The CAL function light is lit.
2.
Press the Ô key.
The CAL and KILO function lights are lit. Display reads
weights in kilograms.
DISPLAYING IN POUNDS
OPERATION
RESULT
1.
Press the SELECT key until the CAL function light is lit.
The CAL function light is lit.
2.
Press the Õ key.
The KILO function light is turned off. Display reads weights
in pounds.
OPERATION
1.
Press the SELECT key until the NET function light is lit.
RESULT
The CAL function light is lit. The display shows the current
NET value. The NEG indicator is lit if weight has been
removed since the NET function was zeroed.
DISPLAYING TIME
OPERATION
1.
Press the SELECT key until the TIME function
light is lit.
RESULT
The TIME function light is lit. The display shows the
current time in the following format: HHMMSS.
HH = Hours MM = Minutes SS = Seconds
Note: 24-hour clock
SETTING THE 24-HOUR CLOCK TIME
OPERATION
RESULT
1.
Press the SELECT key until the TIME function light
is lit.
The TIME function light is lit. The display shows the current
time in the following format: HHMMSS.
HH = Hours MM = Minutes SS = Seconds
Note: 24-hour clock
2
Press the ENTER key.
The TIME function light flashes on and off, and the clock stops.
3.
Press the Ô or Õ key to change the displayed TIME.
The displayed time increases or decreases. Seconds changes
first, then minutes and hours.
4.
When you reach the desired time value, press and
release the ENTER key.
The clock starts and the TIME function light stops flashing.
The time is now set.
DISPLAYING THE DATE
SELECTING SCAN
OPERATION
RESULT
1. Press the SELECT key until the SCAN function light is lit.
The SCAN function light is lit. Each active AXLE GROUP light
and the GVW and AXLE function lights alternately are lit.
RESULT
The DATE function light is lit. The display shows the current
date in the following format: MMDDYY.
MM = Month DD = Day YY = Year
SETTING THE DATE
DISPLAY GROSS VEHICLE WEIGHT (GVW)
OPERATION
OPERATION
1. Press the SELECT key until the DATE function light is lit.
OPERATION
RESULT
RESULT
1.
Press the SELECT key until the DATE function light
is lit.
The DATE function light is lit. The display shows the current
date in the following format: MMDDYY.
MM = Month DD = Day YY = Year
USING THE NET FUNCTION
2
Press the ENTER key.
The DATE function light flashes on and off.
The NET function is used to set a zero benchmark against the current GVW. Weight added
or removed is then displayed as the change in GVW weight. Once the scale has been zeroed,
you may select and operate any of the other functions, then return to NET to monitor the
net payload change, or select PORT to print or otherwise transfer data through the serial port.
3.
Press the Ô or Õ key to change the displayed TIME.
The displayed date increases or decreases. Year changes first,
then day and month.
4.
When you reach the desired DATE value, press the
enter key.
The DATE function light stops flashing. The date is now set.
1. Press the SELECT key until the GVW function light is lit.
The GVW function light is lit. The display shows the gross
vehicle weight.
OPERATION
RESULT
1. Press the SELECT key until the NET function light is lit.
The NET function light is lit. The display shows the current NET
value. The NEG indicator is lit if the displayed value is negative.
2. Press the ENTER key.
The NET function light flashes on and off.
3. Press the ENTER key again.
The NET function lights stop flashing. The zero displayed.
Any change in weight will result in a change of displayed weight.
The NET function is now set.
14
15
OPERATING FUNCTIONS CONTINUED
TROUBLESHOOTING TIPS
USING CALIBRATION ACCESS PIN NUMBERS
If you cannot correct the problem, or you
suspect you have a malfunctioning part,
please contact AIR-WEIGH PRODUCT
OPERATION
RESULT
SUPPORT at (800) 938-2500, Mon. - Fri.,
8 am - 5 pm Pacific Time. Outside U.S. and
Canada, please call (541) 342-1521.
1.
Press the SELECT key until the CAL function light is lit.
The CAL function light is lit.
2.
Press the ENTER key.
The CAL function light flashes on and off.
3.
Press and hold the Ô or Õ key until the correct
Personal Identification Number (PIN) is displayed.
The valid password is displayed. (Factory default PIN is #1.
If you wish to change the PIN, contact Air-Weigh
Product Support.)
CAUSE
If two ComLink RSPs with the same axle group channel
number are installed on a tractor and trailer, neither one
will be able to communicate with the scale.
SOLUTION
Verify you do not have duplicate RSP channel numbers in the
scale system.
4.
Press the ENTER key.
The CAL function light is lit and the EMPTY and the
selected AXLE GROUP lights flash on and off. The display
shows the current axle group empty weight.
CAUSE
If the missing weight display is from the trailer, the 7-wire
disconnect cord may not be connected.
SOLUTION
Verify the disconnect sockets are connected and wired
correctly.
DISPLAYING THE AXLE FULL WEIGHT ENTERED DURING CALIBRATION
OPERATION
1.
Select the desired AXLE GROUP. (See SELECTING
AN AXLE.)
RESULT
The display shows the selected axle weight. The AXLE
GROUP is selected.
2.
Press the SELECT key until the CAL light illuminates.
The CAL function light illuminates.
3.
Press and hold the Ô or Õ key until the correct
Personal Identification Number (PIN) is displayed.
The valid password is displayed. (Factory default PIN is #1.
If you wish to change the PIN, contact Air-Weigh Product
Support.)
4.
Press the ENTER key.
CAL, EMPTY and the selected AXLE GROUP light flash.
The display shows the current axle empty weight.
5.
Press the SELECT key once, so the FULL function light
is lit.
The CAL and FULL function lights and the selected AXLE
GROUP light flashes on and off. The display shows the
FULL weight value used during the last calibration.
PROBLEM: THE SCALE WILL NOT DISPLAY AN AXLE GROUP’S WEIGHT.
PROBLEM: THE RSP IS NOT FUNCTIONING.
CAUSE
The ComLink RSP is not receiving power.
PROBLEM: THE COMLINK RSP IS FLASHING RED, BUT NOT COMMUNICATING.
The RSP will indicate error conditions by blinking an error code on its red LED. The message
is similar to Morse code. The LED will flash a “dash” with a 1.5-second red light. It will flash
a “dot” with a brief 0.2-second red light. All error messages consist of a set of four flashes.
CODE
CAUSE
SOLUTION
..._
Voltage input too low (less than 8 VDC).
Check power source and connections to RSP.
.._.
RSP internal voltage is either too high or
too low.
Remove and replace RSP.
..__
Voltage to pressure sensor is too low.
Disconnect sensor cable from sensor. If the RSP error code
ceases, then the sensor has an internal short. Remove and
replace sensor.
._._
RSP is functioning properly, but is not
communicating with the scale.
Check all wiring connections for shorts or miswired
connections.
._..
RSP has an internal A/D converter error.
Remove and replace RSP.
DISPLAYING THE AXLE EMPTY WEIGHT ENTERED DURING CALIBRATION
OPERATION
RESULT
1.
Select the desired AXLE GROUP. (See SELECTING
AN AXLE.)
The display shows the selected axle weight. The AXLE
GROUP is selected.
2.
Press the SELECT key until the CAL light is lit.
The CAL function light is lit.
3.
Press and hold the Ô or Õ key until the correct
Personal Identification Number (PIN) is displayed.
The valid PIN is displayed. (Factory default PIN is #1.
If you wish to change the PIN, contact Air-Weigh Product
Support.)
4.
Press the ENTER key.
CAL, EMPTY and the selected AXLE GROUP light flash
on and off. The display shows the EMPTY weight value
used during the last calibration.
SOLUTION
If AXLE GROUP light does not light, check the indicator
light on the face of the RSP itself for a flashing red light.
The Morse code-type flashes are error codes.
PROBLEM: THE SCALE IS READING 000000 OR LOCKED ON A NUMBER.
CAUSE
An open wire, a bad ground, or mismatched color coding
connection.
SOLUTION
Check all wire connections and color coding at the 7-wire
sockets or junction boxes. There is a remote chance that the
pressure sensor is malfunctioning.
PROBLEM: IMMEDIATELY AFTER CALIBRATION, THE SCALE DOES NOT DISPLAY
PROPER WEIGHTS.
CAUSE
Calibration error.
16
SOLUTION
Recalibrate the inaccurate axle group.
17
TROUBLESHOOTING TIPS CONTINUED
NOTES
PROBLEM: INACCURATE WEIGHT READINGS OR READINGS THAT VARY.
CAUSE
Generally, varying weight readings result from bad
mechanical connections in and around the leveling valve,
or a leveling valve set at an incorrect ride height.
SOLUTION
Check the bushing, mounting bolts, and radius rod of the
leveling valve for looseness or wear. An old valve may be
worn out or a new one may be improperly adjusted.
Improper ride height will distort the air bags, resulting in
erroneous pressure readings.
CAUSE
Weighing on uneven or unlevel ground. Not releasing the
parking brake when weighing.
SOLUTION
Weigh on a flat and level surface. A leveling bubble in the cab
will help you find a suitable surface. Allow the air suspension to
come up to its full factory-specified ride (the weight readings
will settle down when the air pressure stabilizes). Release
brakes while weighing to eliminate suspension binding.
CAUSE
Improper calibration of the scale.
SOLUTION
Recalibrate inaccurate axle groups according to instructions.
CAUSE
An adjustment was made to the leveling valve or the air bags
were replaced after calibration.
SOLUTION
Recalibrate the affected axle group.
PROBLEM: PRINTER PRINTS A SERIES OF ???????????.
CAUSE
Error caused by printing Report 1 or 2 to printer
Model DPU-201GS.
SOLUTION
Turn power OFF, then ON. Reprint.
MAINTENANCE
SCALE
COMLINK RSP
The Air-Weigh electronic scale should be
maintenance-free under normal operation.
Keep the scale in a protected environment
and treat as any electronic component.
The Air-Weigh ComLink RSP should be
maintenance-free under normal operating
conditions. Use care when selecting a location for the RSP. Select a location that minimizes the amount of moisture and flying
objects that comes in contact with the RSP.
DISCONNECTS
Periodically spray the 7-pin sockets and plugs
with electrical cleaner. A good electrical connection is vital for proper operation. Make
every effort to keep moisture out of the disconnect socket while the system is in operation.
18
SENSORS
Periodically inspect the sensor connections.
Do not grease the sensor plug-in socket.
19
THE ACCURATE ON-BOARD ELECTRONIC SCALE
for Air-Ride Trucks & Trailers
SM
Patents #5,478,974; #623,635; #4,832,141
Hi-Tech Transport Electronics, Inc.
2895 Chad Drive • Eugene, Oregon 97408-7345 USA
P.O. Box 70301 • Eugene, Oregon 97401-0117 USA
Telephone (541) 342-1521 • Order Desk (800) 938-2500 • Fax (541) 342-3307 • Internet: www.air-weigh.com
IP-7123058
P/N: 901-0500-009
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