JLG 1100SB Service Manual - Manual (Page 411)

SECTION 6 - JLG CONTROL SYSTEM
3121265 – JLG Lift – 6-127
Table 6-11. Load Moment Pin Troubleshooting: Moment Pin Horizontal Force Out of Range
STEP FAULT CODE/SYMPTOM REPAIR YES NO
1 8/6 MOMENT PIN HORIZONTAL FORCE OUT OF
RANGE The horizontal force is out of allowed
range. Check to see if the platform is
overloaded in the vertical posi-
tion. Check the rated capacity
requirement. Remove excess weight Go to step 2
2 Check to see if any additional
accessories have been added to
the platform without proper cali-
bration. Perform the Boom
Sensor calibration
process. Go to step 3
3 Perform the BCS daily check
procedure to make sure the
boom sections are stopping
correctly at the witness marks
matching their capacity selec-
tion. Go to step 4 Perform the Boom Sen-
sor calibration process.
4 Inspect the job the machine is
performing, making sure that
there is no additional force
applied when the boom sections
are in the horizontal position.
Also consider weather condi-
tions (Wind). Go to step 5 Position machine cor-
rectly.
5 Use the Analyzer, scroll to the
DIAGNOSTICS menu, press
ENTER, then scroll to the
MOMENT menu, and press
ENTER, check to see if Actual /
Over / Under moment values are
registering on the screen dis-
play. Go to step 6 Replace the load moment
pin. & Perform the Boom
Sensor calibration pro-
cess.
6 If they are, refer to Figure 6-32.,
Moment Chart for comparable
values, if the values are not
close, try boom sensor calibra-
tion to see if the values come
within the chart. If the problem still exists,
verify steps 1-6 again
before contacting the JLG
Service Dept. Replace the load moment
pin. & Perform the Boom
Sensor calibration pro-
cess.