HOSE BK 4568442 - Caterpillar

Ripper Control Valve (External)
The third control valve is for the operation of the ripper. This valve is not in the hydraulic tank. With the double valve, the valve stems in the double valve must be in HOLD positions for the pump oil to get to inlet passage (2).
RIPPER CONTROL VALVE
1. Check valve. 2. Inlet passage. 3. Spring. 4. Valve stem. 5. Passage for rod end of cylinder. 6. Passage for