JLG 1350SJP Service Manual - Manual (Page 506)

SECTION 6 - JLG CONTROL SYSTEM
6-130 – JLG Lift – 3121142
Table 6-12. Load Moment Pin Troubleshooting: Moment Pin Vertical Force Out of Range
STEP FAULT CODE/SYMPTOM REPAIR YES NO
1 8/6 MOMENT PIN VERTICAL FORCE OUT OF RANGE The vertical
force is out of allowed range. Check to see if the platform is over-
loaded in the vertical position. Check
the rated capacity requirement. Remove excess weight Go to step 2
2 Check to see if any additional accesso-
ries have been added to the platform
without proper calibration. Perform the Boom Sen-
sor 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 cali-
bration process.
4 Inspect the job the machine is perform-
ing, making sure that there is no addi-
tional force applied when the boom
sections are in the horizontal position.
Also consider weather conditions
(Wind). Go to step 5 Position machine correctly.
5 Use the Analyzer, scroll to the DIAGNOS-
TICS 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 display. Go to step 6 Replace the load moment pin. &
Perform the Boom Sensor cali-
bration process.
6 If they are, refer to Figure 6-32.,
Moment Chart for comparable values, if
the values are not close, try boom sen-
sor calibration to see if the values 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. &
Perform the Boom Sensor cali-
bration process.