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Caterpillar 312B L Excavator 8JR Electrical & Hydraulic Schematic Manual (PDF) – complete factory diagrams for accurate repair and maintenance.
Availability: In Stock
This official Caterpillar Electrical and Hydraulic Schematic Manual is for the 312B L Excavator with Serial Number prefix 8JR. It contains comprehensive, factory-approved diagrams covering all electrical and hydraulic systems, making troubleshooting, repairs, and servicing precise and efficient. The electrical section features detailed wiring diagrams, harness layouts, fuse and relay information, switch and sensor connections, and control module data. The hydraulic section includes pump schematics, valve assemblies, cylinder connections, hose routing, and complete circuit layouts.
Includes: ALL DIAGRAMS & PICTURES for 312B L EXCAVATOR 8JR
Format: PDF
Language: English
Download Instructions: PDF will be delivered to your email after purchase
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