Sharp R-440/540 Manual do Operador descarregar pdf (Página 131)

918496/GP0313 123

Changing Hydraulic Oil and Filter

Note: The hydraulic oil filter can be changed without changing the hydraulic oil

or draining the hydraulic reservoir.

Replace the hydraulic oil if it becomes contaminated, after major repairs, and

after 500 hours or one year of use.

1. Perform the “Mandatory Safety Shutdown Procedure” on page 10.

2. Open the hood.

3. Slowly remove the oil fill cap (V, Fig. 89). Allow the pressure to escape before

completely removing the cap.

4. Position a waste oil collection con-

tainer with a capacity of at least

45 liters (11 gallons) underneath the

hydraulic oil reservoir.

Important: Always dispose of hydraulic

fluids according to environmental laws or

take to a recycling center for proper

disposal. DO NOT pour onto the ground

or down a drain.

5. Remove the drain plug (X, Fig. 91)

and allow the oil to drain completely.

6. Unscrew the filter cover (W, Fig. 89).

7. Remove the old filter element (Y, Fig.

92). Cover the filter opening on the

filter housing with a clean rag while

adding oil.

8. Refill the reservoir until the oil is

between the two lines on the dipstick

(U, Fig. 89).

9. Remove the rag from the filter open-

ing and clean the surface of the filter

housing where the element seal con-

tacts the housing. Put clean oil on the

rubber gasket of the new filter ele-

ment (Y, Fig. 92).

10. Install the new filter element (Y, Fig.

92).

11. Reinstall the drain plug.

12. Reinstall the filter cover.

Note: Do not mix different types/grades of hydraulic fluids.

13. Start the engine and operate the hydraulic controls.

14. Stop the engine and check for leaks at the hydraulic oil filter and reservoir

drain plug.

15. Check the oil level and add oil if necessary.

Figure 91 – Hydraulic Oil Drain

Figure 92 – Hydraulic Oil

Service

AL 500 Series shown

(other machines similar)

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