HYDRAULIC EQUIPMENT LAYOUT DRAWING STRUCTURE, FUNCTION, & MAINTENANCE STANDARD 12 HYDRAULIC EQUIPMENT LAYOUT DRAWING 1. Bucket cylinder 2. Arm cylinder 3. Boom cylinder 4. Hydraulic tank 5. Hydraulic filter 6. R.H. travel motor 7. Swing motor 8. Hydraulic pump 9. Control valve 10. Oil cooler 11. L.H. travel motor 12. L.H. PPC valve 13. Safety lever (electric type) 14. Center swivel joint 15. R.H. PPC valve 16. Travel PPC valve 17. Attachment circuit selector valve 18. Holding valve 19. Accumulator 20.
Solenoid valve assembly 20A PPC lock solenoid 20B Travel junction solenoid 20C Pump merge/divider solenoid 20D Travel speed solenoid 20E Swing brake solenoid 20F 2-stage relief solenoid 10-24 PC210/240-7K