DIGGER DERRICK
-XII
463280 - 9/14 Terex South Dakota, Inc. Digger Derrick
SAFETY
1. Inspect, maintain, and repair the Digger Derrick in accordance with this section and the maintenance
manual for your Digger Derrick.
2. Only knowledgeable, authorized and qualified personnel shall be allowed to perform maintenance on
the Digger Derrick
3. Never drill holes in the platform or liner.
4. Replace all missing or illegible decals.
5. Any changes or modifications to the Digger Derrick must be compliant by the manufacturer in writing.
6. Do not alter the insulated portion of the Digger Derrick. Alterations may reduce the insulating value.
7. Do not search for hydraulic leaks with your hands or any other part of your body. Hydraulic fluid injection
could occur requiring immediate medical attention.
8. Use orange hose marked NON-CONDUCTIVE at the boom tip and areas that bridge the insulation gap.
9. All hoses must meet or exceed the working pressure of the Digger Derrick.
10. Do not use replacement components that are not equal to the original components.
11. Replacement load line must meet or exceed the load line requirements listed on the load chart.
12. Before doing any work on the hydraulic system, secure the booms and outriggers. Release any
hydraulic pressure before attempting repairs or disassembly of hoses, valves, cylinders or any other
hydraulic components.
13. Fuel or oil spills may require notification of appropriate Federal, State, or Local officials.
14. Inspect the unit following the frequent and periodic inspection intervals.
15. The subframe, outriggers, boom rest, and vehicle mounting must be inspected following the frequent
and periodic inspection intervals for fastener tightness, damaged components and weld inspections.
16. The subframe, outriggers and mounting the vehicle must be inspected following the frequent and
periodic inspection intervals for fastener tightness, damaged components and weld inspections.
17. Inspect, maintain, and operate the vehicle and components following the manufacturer’s guidelines.
18. A post event inspection, testing, and documentation is required when the unit has been overloaded,
shock loaded, overturned, in an accident, experienced electrical contact or any application of an
unintended external force.
MAINTENANCE
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