CAT 980F And 980F Series II Wheel Loader Hydraulic System Schematic Manual - PDF DOWNLOAD

SENR4998-01 January 1994

980F And 980F Series II Wheel Loader Hydraulic System

5XJ1-587 8CJ1-UP 3HK1-UP

5XJ588-UP 4RN1-UP 8JN1-UP

© 1994 Caterpillar All Rights Reserved

Printed in U.S.A.

12 Page, UHE

980F Series II

SENR4998-01

980F

ITEM NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 1 2 3 4

12 Page, UHE

SENR4998-01

5

980F HYDRAULIC SCHEMATIC COMPONENT ATTACHMENT CYLINDER TILT CYLINDER LIFT CYLINDER ATTACHMENT PILOT CONTROL VALVE TILT PILOT CONTROL VALVE LIFT PILOT CONTROL VALVE PILOT CONTROL VALVE GROUP RELIEF VALVE (TILT CYLINDER ROD END) RIDE CONTROL ACCUMULATOR ORIFICE DIVERTER VALVE GROUP SOLENOID VALVE CHECK VALVE 2 DIVERTER VALVE GROUP RELIEF VALVE ( AUXILLARY CYLINDER ROD END) RELIEF VALVE (AUXILLARY CYLINDER HEAD END) MAIN CONTROL VALVE GROUP 3 CHECK VALVE (LIFT CYLINDER HEAD END) AUXILLARY CONTROL VALVE MAIN RELIEF VALVE PRESSURE CONTROL AND SELECTOR VALVE CHECK VALVE SOLENOID VALVE (MATERIAL HANDLER) TILT CONTROL VALVE RELIEF VALVE (TILT CYLINDER HEAD END) LIFT CONTROL VALVE 3 CHECK VALVE (LIFT CYLINDER ROD END) DIVERTER SPOOL VALVE CHECK VALVE STEERING CYLINDER 4 FLOW COMPENSATOR VALVE (MATERIAL HANDLER) PILOT RELIEF VALVE OIL COOLER STEERING NEUTRALIZER VALVES STEERING, SUPPLEMENTAL IMPLEMENT AND 5 PILOT PUMP STEERING CONTROL VALVE IMPLEMENT PUMP FLOW SWITCH VACUMM BREAKER VALVE HYDRAULIC TANK HYDRAULIC FILTERS METERING PUMP (STEERING) SUPPLEMENTAL STEERING DIVERTER VALVE SUPPLEMENTAL STEERING PUMP 8CJ01154 - UP PRIOR TO 8CJ01154 NOT USED (REMOVED) WITH RIDE CONTROL PART OF MATERIAL HANDLER OPTION CENTER SECTION ONLY USED WITH MATERIAL HANDLER