JLG 1250AJP Service Manual - Manual (Page 558)

SECTION 6 - JLG CONTROL SYSTEM
6-126 – JLG Lift – 3121171
Table 6-12. 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
position. Check the rated
capacity requirement. Remove excess
weight Go to step 2
2 Check to see if any addi-
tional accessories have
been added to the platform
without proper calibration. 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 selection. Go to step 4 Perform the Boom
Sensor 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 posi-
tion. Also consider weather
conditions (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 regis-
tering on the screen dis-
play. Go to step 6 Replace the load
moment pin. & Per-
form the Boom Sen-
sor calibration
process.
6 If they are, try boom sensor
calibration to see if the val-
ues come within the chart. If the problem still
exists, verify steps 1-6
again before contact-
ing the JLG Service
Dept. Replace the load
moment pin. & Per-
form the Boom Sen-
sor calibration
process.