20-132 6. Rear ripper lifting speed (Ascending) (Descending) Oil temperature: 40±5℃. The ascending speed and descending speed when the center teeth tip of ripper off ground of 50～150 mm under the rated rotation speed of engine. mm/sec 220 170 198 153 7. Front scraper blade lifting speed (Ascending) (Descending) Oil temperature: 40±5℃. The ascending speed and descending speed when the bottom edge of scraper blade off ground of 50～150 mm under the rated rotation speed of engine. 200 150 180 135 Hydraulic Sedimentation 1. Scraper blade oil cylinder extend Oil temperature: 40±5℃. The scraper blade suspense vertically with regard to the machine. Record the extend value of oil cylinder. mm/10 min.
Max. 10 Max. 20 2. Scraper blade oil cylinder retract Oil temperature: 40±5℃. The lower edge of scraper blade contacts with ground and front wheel is raised. Record the retract value of oil cylinder. Max. 20 Max. 40 3. Rear ripper oil cylinder extend Oil temperature: 40±5℃. The ripper suspense. Record the extend value of oil cylinder. Max. 10 Max. 20 4. Rear ripper oil cylinder retract Oil temperature: 40±5℃. The lower teeth of rear ripper contact with ground and front wheel is raised. Record the retract value of oil cylinder. Max. 30 Max. 50 Setting pressure of master overflow valve Right valve Left valve Oil temperature: 40±5℃. Engine’s speed: High-speed idle.
MPa 200.5 0 200.5 0 18.5 18.5