Cat Bucyrus RH 400 Hydraulic Excavator OPERATING INSTRUCTIONS MANUAL BI651513 - PDF DOWNLOAD

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OPERATING INSTRUCTIONS RH 400 Operation WORKING OPERATION - SAFETY INSTRUCTIONS 2732543

Read the sections "Fundamental safety instructions" and "Operation, safety instructions" carefully and observe the instructions given in them.

Running-in instructions for hydraulic cylinders

Compression of an oil/air compound in a hydraulic cylinder may result in detonations which might damage pistons and sealing rings. Prior to initial commissioning and/or after repairs, run in the hydraulic cylinders as follows:

Inspect the site for underground gas, power and water lines before starting work. Any damage to such lines is a risk to life!

Ü Start up the engines and run at low speed. The pressure-limiting valve in the hydraulic system must not respond

Clean off any earth, mud, snow, ice, grease and oil adhering to your working footwear before operating the machine. There is otherwise a risk of slipping off the pedals and initiating inadvertent movements.

Ü In the first two working cycles, retract and extend the pistons of the hydraulic cylinders to max. ½ to ¾ (not to the limit stop). Never change direction suddenly. The waiting time between changes of direction must be at least 4 seconds.

Sound the horn to warn persons in the immediate vicinity before starting work. Stop work if anyone is in the hazard range of the machine. Make sure they have left the hazard range before resuming work.

Ü In the next eight working cycles, retract and extend the pistons of the hydraulic cylinders to the limit stop. The waiting time between changes of direction must be at least 4 seconds.

Never operate the machine unless it is standing on a reasonably horizontal, flat surface. The stability of the machine is otherwise at risk.

Ü When all hydraulic cylinders have been run in, the excavator can operate at a higher engine speed.

Ensure that the attachment has adequate clearance below overhead power lines and structures. Trenches and working faces may give way. Keep well clear of them.

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BA RH400(3 659 450.00)-EN


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TROUBLESHOOTING

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OPERATING INSTRUCTIONS RH 400

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OPERATING INSTRUCTIONS Repair work

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OPERATING INSTRUCTIONS RH 400 Repair work

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