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SECTION 2 – USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
Slack/Broken Chain Sensors Check
Figure 2-4. Slack/Broken Chain Sensors
2-10
Check the slack/broken chain indicator light/alarm and interlock
to ensure proper operation. Refer to Figure 2-4. for chain sensors
location (Qty:2). Wedge a block (P/N: ST2741 - located in the
manual storage container) to activate a slack chain sensor and
keep it activated.
1. From the Platform Control Console:
a. Confirm an audible alarm sounds.
b. Verify the slack chain indicator (Red) lights up.
c. Check when the slack chain indicator warning is
activated, the following functions are disabled:
- Mast/Jib lower
- Swing
- Drive
2. From the Ground Control Panel:
a. Confirm an audible alarm sounds.
b. Check when the slack chain indicator warning is
activated, the following functions are disabled:
- Mast/Jib lower
- Swing
c. Repeat check for each chain sensor
– JLG Lift –
31210162
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