Yanmar RT70, Operator'S Manual

Page: 135 / 223

Systems and Equipment - 134
RT70 Operator’s Manual
Cruise Control
11. If AST icon turns yellow, trencher and ground drive will stop while system waits for operator response.
System will wait up to ten seconds for operator response before aborting process.
• Press AST switch within 10 seconds to activate system. See “Console, Right” on page 52.
• AST system will automatically control trencher and ground drive during attempts to free
obstruction.
• System will make multiple attempts to free obstruction.
• AST icon will remain yellow during process.
• AST icon will return to green if process is successful, and trenching can continue as normal.
• AST icon will turn red if process fails, or if AST switch is not pressed.
12. If AST icon turns red, trencher and ground drive will stop.
• Ground drive and trencher must be set to neutral before system will allow operation to continue.
• Operator may have to manually control boom and ground drive to clear chain of obstruction.
13. When finished trenching, return controls to neutral.
14. Turn cruise control off.
15. Allow chain to dig itself free before stopping attachment.
Plowing
1. Ensure ground drive is in neutral.
2. Ensure ground drive is set to low.
3. Ensure cruise control is off.
4. Set ground drive to maximum speed suitable for digging conditions.
5. Turn cruise control on.
6. Slowly adjust cruise control speed dial control to match digging conditions.
7. When finished plowing, return controls to neutral.
8. Turn cruise control off.