Komatsu PC850-8R1 Hydraulic Excavator Field Assembly Instruction Assembly Service Manual (GEN00152-01)

Introduction
 Items to be performed before assembly
 Items to be performed during assembly
 Items to be performed after assembly
 Remove and install large-sized components
 Replace spring box and install relief valve, flow control sleeve, etc.
 Install attachment shuttle valve
Install block to hydraulic tank

 Install check valve drain port
 Add cutout to floor mat
 Install relay (in cab), wiring harness, and attachment pedal
 Replace junction block and PPC hoses
 Install wiring harness (on chassis side)
 Install attachment tower bracket
 Install PPC hose clamp
 Change quick return circuit to attachment specification
 Install bucket HI piping

 Install parts for attachment and drain
 Modify boom to “attachment and drain” specification
 Modify arm to “attachment and drain” specification
 Install hoses between chassis and “boom attachment and drain”
 Install bucket cylinder hoses
 Install attachment hoses between boom and arm
 Piping fitting size for attachment
 Adjustment method for flow control sleeve
 Adjustment method for attachment circuit relief pressure
 Maintenance procedure after completion of assembly

Pages: 120
Language: English
Format: PDF

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