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tram track front idler installation / removal—see figure-10 5
Before beginning any maintenance on the miner, perform the following procedures:
1. Visually disconnect the miner from the power source. 2. Block any and all elevated assemblies before working under them.
Make sure that the blocking can support the weight of the assembly without slipping or failing. 3. Relieve all hydraulic pressures. 4. Position all levers and controls in NEUTRAL or OFF. 5. Work on the miner only in an area where the roof is properly supported. 6. Test the air for methane before beginning any maintenance work.
Perform all procedures in accordance with accepted practices and applicable regulations.
The following general safety precautions should be observed:
¢ Any operation to check performance of the miner must be conducted in an area with sufficient safe clearance. ¢ Methane monitoring of the air must occur before and during all maintenance ¢ Avoid fire hazards and have fire protection equipment present whether working above or below ground. ¢ Do not use open pans of fuel or flammable cleaning fluid for cleaning parts. ¢ Control mechanisms, lights, overload devices, guards, and safety devices must be inspected regularly and maintained in safe operating condition. ¢ All parts of component assemblies and frame members must be carefully and regularly inspected and maintained in safe operating condition. ¢ The original approved safe operating features of the miner must be maintained. ¢ Operation, warning, and maintenance instruction plates, tags or decals must be maintained in a legible condition.
