302.5C Mini Hydraulic Excavator Hydraulic System Caterpillar

Note: The engine speed and/or the machine configuration that is used during this test can affect the results of this test. Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for the engine speed that was used for this test.

Note: The relief valve pressure settings must be set to the relief valve pressure specification before performing this operational check. Refer to Testing and Adjusting, "Specifications".

Illustration 1	g01186080
(A) 12 degrees (B) 720 mm (28.3 inch)

1. Place the machine on a slope of 12 degrees. The surface of the slope must be hard and smooth.

2. Position the implements, as shown. Refer to Illustration 1.

3. The bucket should be empty.

4. Fully extend the stick cylinder and the bucket cylinder.

5. Position the boom so that the height of the bucket control linkage pin is 720 mm (28.3 inch) from the ground.

6. If equipped, raise the blade.

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Illustration 2	g01186214
(A) Mark on roller frame (B) Mark on track

7. To indicate the machine's relative position to the slope, put a mark on both the roller frame and the track.

8. Stop the engine.

9. Measure the machine movement on the slope after three minutes.
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   Table 2

   Drift
   Item	Specification
   Maximum drift	30 mm (1.2 inch)