27
1. Running position (Fig.24), swing the teeth in and lift the scarifier completely;
2. Scarifying position (Fig.25), in the figure the grade is in horizontal condition.
The teeth are out and resting on the ground. The pointer of the indicator is in
the middle position;
3. Deep
ripper (Fig.26), press the ripper completely by use of oil cylinder.
Fig. 24
d. Scarifying
The control lever (See 7.5.1) controls the lifting and lowering of the back
scarifier, the number of teeth, depth and driving speed are dependant on the tyre of
ground being cut.
1.
Drop the ripper until the teeth lower onto the ground;
2.
Drive the grader forwards and at the same time lower the ripper further into
the ground.
Fig. 25
Fig. 26
Summary of Contents for PY180H
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