Bobcat773 lift problem

/ Bobcat773 lift problem #11  
Pressure to control valve is good ,tilt and aux work ,still no lift until either is maxed out Anyone have any ideas
Your SSL lift issue is sure acting like the main relief valve is set low. Your unit should be set at 3000 to 3050 at high idle. pressure is checked at the female aux coupler. If it is in spec you may have an issue with the BICS. BICS is the safety system that prevents you from operating the machine without a body in the seat and the seat bar down. Your SSL has a very early design of the BICS consisting of 2 pilot operated valves for the lift and tilt. The lift lock out pilot valve may be malfunctioning. This valve is part of the lift arm bypass valve.:confused3:
 

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