Case Poclan 1288 / 1488C excavator, service e-manual

Contents Basic principles of electronically assisted systems Starting assistance Electric acceleration Automatic return to idle Engine overheating safety device Swing break release Swing break Automatic travel sequences for two-speed excavators Electrical schematics Specifications Schematic symbols Description of electrical cabinet printed circuit (standard equipment) Electrical cabinet printed circuit wiring (standard) Description of electrical cabinet printed circuit (optional) Electrical cabinet printed circuit wiring (optional) Printed circuit schematic guide P10 instrument panel electrical schematic Instrument panel wiring Instrument panel (front face) Right-hand control arm, left-hand control arm (standard equipment) Right-hand control arm, left-hand control arm wiring (optional) Cab floor wiring (standard) Engine module and upperstructure wiring (standard equipment) Electronic system wiring Cab floor wiring (optional) Engine module and upperstructure wiring (optional) Cab and cab option wiring Index Basic principles of the hydraulic circuit 1288 Simplified hydraulic circuit 1488 Simplified hydraulic circuit Location of hydraulic components on the machine 1288 General single-speed excavator hydraulic circuit 1288 General two-speed excavator hydraulic circuit 1488 General excavator hydraulic circuit Hydraulic options 1288 /1488 General hydraulics General hydraulics specifications 1288 technical specifications 1488 technical specifications 12/1488 Hydraulic pumps Technical specifications of the various pumps Identification of orifices and adjustment points Engine / pump coupling Pilot pump Main technical details of gear pumps Main technical details of piston pumps Load-sensing information circuit anti-pumping valve Proportional valve Load-sensing, torque regulator, flow cancelling and independence Of movements systems System description Working principles 12/1488 Pilot system Pilot circuits Electrovalve blocks P35 Pressure limiter Emergency foot pump / manifold Control levers Travel control block Control pedals 12/1488 Attachement options Load-holding valve function Safety valve function Option control valve blocks 12/1488 Attachment function Attachment function hydraulic diagram Attachment/travel control valve block Relief valve Control valve element Safety valves, control valve spool Compensator and pressure selector Decompression selector block Receiving component feed circuit Attachment cylinders Boom and dipper flow limiters 12/1488 Swing function Swing function hydraulic diagram Swing control valve block Relief valve Control valve element Selector/flow limiter Pressure selector block Safety / anti-cavitation block Hydraulic swing motor Automatic swing brake 12/1488 Travel function Single-speed travel function hydraulic diagram Travel control valve Flow limiter valve (speed limiter) Single-speed hydraulic travel motors Automatic travel brake Travel brake release selector block Swivel joint Travel safety blocks Two-speed travel function hydraulic diagram Two-speed hydraulic travel motors Pressure settings for 1288C and 1488C

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