Cat Bucyrus Hydraulic Excavator RH 40E Operating Instructions Manual BI651491

Page 149

OPERATING INSTRUCTIONS RH 40 E Inspection and servicing Changing the hydraulic oil return-flow (hydraulic oil reservoir)

Read and observe the "Inspection and servicing – Safety instructions" chapter.

Shut off the engine. Risk of scalding caused by hot hydraulic oil. The hydraulic oil reservoir itself may also be hot. Avoid skin contact. Skin contact with hydraulic oil may cause skin injury.

!

when the "Hydraulic oil filter" warning lamp (satellite II) lights up when the hydraulic oil is at operating temperature. The filter elements (25, Fig. 3-54:) are then heavily contaminated. (The warning can be disregarded if the lamp lights up only shortly during starting of the engine);

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after repairs on the hydraulic system;

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in case of damage.

" Remove cover (20) and retaining disk (23) as described under "Topping up with hydraulic oil". " Clean the magnetic rod (24). If abraded metal and metal filings adhere to the magnetic rod, locate the cause or contact the O&KMining Service.

Wear protective gloves and firm working clothing. Collect escaping hydraulic oil and discard without polluting the environment.

" Withdraw filter element (25) together with sealing ring (22).

The return-flow filters must be replaced:

If the filter elements are damaged, remove basket (28) and clean down with spirits or petroleum.

!

when servicing works in accordance with the servicing plan are carried out;

" Lower basket (28) into tank. " Insert new filter element (25) together with sealing ring (22). " Fit retaining disk (23) with sealing ring (27). " Refit cover (20) with sealing ring (26). Proceed in the same way to replace the other filter elements (25).

Fig. 3-54:

BA RH40E(3 664 930.00)-EN

3-59


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OPERATING INSTRUCTIONS RH 40 E Repair work

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OPERATING INSTRUCTIONS Repair work

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Repair work

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OPERATING INSTRUCTIONS RH 40 E Repair work

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OPERATING INSTRUCTIONS RH 40 E Introduction

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OPERATING INSTRUCTIONS RH 40 E Introduction

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OPERATING INSTRUCTIONS RH 40 E Introduction

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OPERATING INSTRUCTIONS RH 40 E Introduction WARRANTY

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