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Complete workshop & service manual with electrical wiring diagrams for Caterpillar 301.6C and 301.8C Mini Hydraulic Excavators. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
Caterpillar 301.6C and 301.8C Mini Hydraulic Excavators service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
590 pages, bookmarked, Searchable, Printable, high quality PDF
FILE LIST:
RENR9153 – Specifications (301.6C and 301.8C Mini Hydraulic Excavators Machine System Specifications)
RENR9154 – Systems Operation (301.6C and 301.8C Mini Hydraulic Excavators Hydraulic System)
RENR9155 – Testing and Adjusting (301.6C and 301.8C Mini Hydraulic Excavators Hydraulic System)
RENR9156 – Schematic (301.6C and 301.8C Mini-Hydraulic Excavator Hydraulic System)
RENR9157 – Disassembly and Assembly (301.6C and 301.8C Mini Hydraulic Excavators Machine Systems)
RENR9158 – Schematic (301.6C, 301.8C, and 302.5C Mini-Hydraulic Excavator Electrical System)
RENR9701 – Disassembly and Assembly (301.6C and 301.8C Mini Hydraulic Excavators Engine Supplement)
EXCERPT:
Boom Lower
When the pilot valve (joystick) is moved forward, pilot oil (5) shifts the spool of boom control valve downward. Supply oil is routed from the pump (7) to the main control valve (2). The pump receives oil from the hydraulic tank through the hydraulic line (8). The supply oil flows to the rod end of the boom cylinder (1) through the boom control valve (3). This causes the cylinder rod to retract. The retracting of the cylinder rod causes the boom to lower.
Boom Raise
When the pilot valve (joystick) is moved backward, pilot oil (6) shifts the spool of boom control valve (3) downward. Oil is routed from the pump (7) to the main control valve (2). The pump receives oil from the hydraulic tank through the hydraulic line (8). The supply oil flows to the head end of the boom cylinder (1) through boom control valve (3). This causes the cylinder rod to extend. The extending of the cylinder rod causes the boom to raise.
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