GENERAL MACHINE MAINTENANCE

FILL

HYDRAULIC

RESERVOIR

C1691A

FIGURE 40

FILLING THE HYDRAULIC RESERVOIR

1.Access to the hydraulic reservoir is located in the seat compartment.

2.Open the hydraulic reservoir breather filter cap.

3.Remove any debris that is in the breather filter cap screen.

4.Fill the reservoir until the fluid is at the “FULL” line on the hydraulic fluid sight gauge. The sight gauge is located on the center side of the hydraulic reservoir.

5.Close the hydraulic reservoir breather filter cap.

6.Close the seat compartment.

CLEANING THE HYDRAULIC SYSTEM

1.Put a drop cloth on the floor.

2.Drive the machine onto the drop cloth.

3.Set the parking brake.

4.Open the seat compartment.

5.Put a container under the reservoir drain to catch the reservoir fluid.

6.Remove the drain plug. The reservoir fluid will drain. Do not use the drained fluid to refill the hydraulic reservoir. Dispose of the used fluid.

7.Flush the interior of the hydraulic reservoir with clean fluid.

8.Put the reservoir plug (removed in Step 6) back in the hydraulic tank drain and tighten it. A pipe thread sealer is required on the plug.

9.Open the breather filter cap.

10.Fill the reservoir with new FORD type “F” automotive transmission fluid. The capacity of the tank is 10 gallons. Fill to the “FULL” line on the hydraulic fluid sight gauge.

11.Close the breather filter cap.

12.Close the seat compartment.

 

 

REPLACING THE RETURN FILTER ELEMENT

COVER

 

1.

Replace the return filter element after 250

 

 

SPRING

 

hours of machine run time.

 

 

O-RING

 

2.

Unscrew the fasteners from the filter

 

assembly cover and retain.

 

 

FILTER

 

3.

Remove the cover and the compression

ELEMENT

spring and retain.

 

 

FILTER

 

4.

Discard the old filter element.

 

5.

Position the new filter element inside the

BODY

 

 

 

filter body.

 

 

6.

Put the compression spring in position.

 

 

Wipe the cover magnet free of any metal filings

 

 

or debris.

 

 

7.

Place O-ring (moisten with clean hydraulic

 

 

fluid) and cover into position.

 

 

8.

Reattach fasteners to the filter cover.

 

 

9.Clean any hydraulic reservoir fluid spills. The

 

 

fluid can damage painted surfaces on the

P-5091/9907

 

machine.

 

 

P5091

FIGURE 41

 

 

1-42

 

 

American-Lincoln

 

 

 

ATS 46-53 Battery

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Nilfisk-ALTO 46/53 manual General Machine Maintenance, Fill Hydraulic Reservoir, Filling the Hydraulic Reservoir
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