SECTION 6 - LSS SETUP/CALIBRATION/SERVICE
6-6
3121781
6.8
CALIBRATION
Procedure
1. Plug the JLG Analyzer into the LSS Module on the
Host Control System and enter the Access Level 1
Password. Do not confuse the Host Control System
and LSS Module’s Analyzer Connections. Proceed to
the ACCESS LEVEL menu and enter the Access Level 1
Password (33271).
2. Park the vehicle on a level surface. The platform
should be fully stowed and level within ± 5° (both
directions).
3. Configure the LSS Module for the proper model and
Desired Units. Proceed to the LSS Module’s MACHINE
SETUP, MODEL sub-menu and select the applicable
model. Press the RIGHT ARROW to view the Units
Selection. Select “UNITS=LBS” for platform load mea-
surement in Pounds, and “UNITS=KG” for measure-
ment in Kilograms.
EARLY RT’S REQUIRE A CONFIGURATION TO THE LSS MODULE. PLUG
THE JLG ANALYZER INTO THE MODULE’S CONNECTION BENEATH THE
DECKAND ENTER THE ACCESS LEVEL 1 PASSWORD (33271). UNDER
MACHINE SETUP ENSURE THAT MODEL=260MRT.
4. Remove everything except JLG Accessories from the
Platform. Empty the platform to allow the Load Sens-
ing System to record its weight during calibration. All
tools, debris, and customer-installed devices shall be
removed. Permanently-fixed JLG Accessories shall
remain and their contribution toward Rated Load will
be accounted for in the next step.
5. Configure the LSS Module for JLG Accessories. The
contribution of each permanently-fixed JLG Acces-
sory toward Rated Load must be determined. JLG
Accessories are decaled with their effective contribu-
tion toward Rated Load. If this decal is missing, refer-
ence the appropriate manual for the JLG Accessory.
Once determined, the contributions of all perma-
nently-fixed JLG Accessories mounted in the plat-
form of the vehicle shall be added together and
entered in the Analyzer’s PERSONALITIES, ACC’Y dis-
play (using the proper units).
6. Execute a Calibration via the JLG Analyzer. Proceed to
the Analyzer’s CALIBRATION top level menu and
press ENTER. Press ESC to abort a calibration or
ENTER to calibrate (tare). If successful, the Analyzer
will display “COMPLETE”. If unsuccessful, a message
will be displayed that will help lead to a resolution
(reference the Troubleshooting section of this man-
ual). Press ESC to return to the top level menu.
Testing & Evaluation
Refer to the Troubleshooting section of this manual if
the Load Sensing System fails to meet these guidelines.
1. Plug the JLG Analyzer into the Host Control System.
2. Park the vehicle on a level surface. The platform
should be fully stowed and level within ± 5° (both
directions).
3. Observe the Empty Platform Weight. Proceed to the
DIAGNOSTICS, PLTLOAD sub-menu and observe the
measured platform load. All tools, debris, and cus-
tomer-installed devices shall be removed during
evaluation. Ideally, the PLTLOAD should be zero but
can vary +15lbs (± 7kg). Further, the reading should
be stable and should not vary by more than +2lbs
(±1kg) (unless there is heavy influence from wind or
vibration).
4. Use the Technician’s Weight to Evaluate. The techni-
cian should enter the platform and record the PLT-
LOAD reading while standing in the center of the
platform, and then each corner. The average of the
readings should be the estimated weight of the tech-
nician. The range of the readings should be no more
than 40lbs (18kg) (max PLTLOAD reading – min PLT-
LOAD reading).
5. Confirm Host Control System Warnings and Inter-
locks. Using the vehicle’s key switch, select Platform
Mode and power-up. Start the vehicle’s engine (If
equipped) and ensure that all controls are functional
and the Load Sensing System’s Overload Visual and
Audible Warnings are not active. Simulate an Over-
load by unplugging the Shear Pin Load Cell con-
nected to J5 on the LSS Module.The Overload Visual
Warning should flash, and the Audible Warning (at
Platform and Ground) should sound for 5 seconds
On, and 2 seconds Off. With the engine running (If
equipped), all platform control should be prevented.
Cycle the Platform EMS to stop the engine and then
power-up again. The Overload Visual and Audible
Warning should continue. Install the disconnected
Shear Pin Load Cell back in J5 on the LSS Module. The
Overload Visual and Audible Warnings should cease
and normal control function should return. Switch
the vehicle’s key switch to Ground Mode and repeat
the above procedure. The Overload Visual Warning at
the Ground Controls should flash, and the Audible
Warning (at Platform and Ground) should sound for 5
seconds On, 2 seconds Off. However, the controls
should remain functional when using the engine (if
the Host Controls System’s MACHINE SETUP, LOAD is
set to “2=CUTOUT PLT”. If set to “3=CUTOUT ALL”,
then Ground Controls will be prevented when using
the platform). Re-fit the Shear Pin Load Cell connec-
tor to J5 on the LSS Module and carefully tighten by
hand, and then with a small pair of locking pliers to
seat the O-ring seal.
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