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Complete workshop & service manual with electrical wiring diagrams for Caterpillar 303.5D CR, 304D CR, 305D CR & 305.5D CR Mini Hydraulic Excavators. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Caterpillar 303.5D CR, 304D CR, 305D CR & 305.5D CR 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.
MANUAL LIST:
UENR4045 – Schematic (303C, 303.5C, 303.5D, 303.5E, 304C, 304D, 304E, 305C, 305D, 305E, 305.5D & 305.5E Mini Hydraulic Excavators Air Conditioning)
KENR5853 – Specifications (305D CR & 305.5D CR Mini Hydraulic Excavators Machine System)
KENR5854 – Systems Operation (305D CR and 305.5D CR Mini Hydraulic Excavators Hydraulic System)
KENR5855 – Testing & Adjusting (305.5D CR & 305D CR Mini Hydraulic Excavators Hydraulic System)
KENR5856 – Schematic (305D CR Mini Hex Hydraulic System 344-5283-02)
KENR5859 – Schematic (305D CR & 305.5D CR Mini Hydraulic Excavator Electrical System 343-9184-01)
UENR0101 – Disassembly & Assembly (303.5D, 304D, 305.5D & 305D Mini Hydraulic Excavators Engine Supplement)
UENR0102 – Disassembly & Assembly (303.5D CR, 304D CR, 305D CR & 305.5D CR Mini Hydraulic Excavators Machine Systems)
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EXCERPT:
Hydraulic System Pressure – Release
Pressure Release Procedure
The release of hydraulic pressure in an hydraulic circuit is required before service is performed to that hydraulic circuit. Release the pressure in the following hydraulic circuits before any hydraulic lines are disconnected from that hydraulic circuit or hydraulic components are removed.
Boom hydraulic circuit
Stick hydraulic circuit
Bucket hydraulic circuit
Swing hydraulic circuit
Travel hydraulic circuit
Attachment hydraulic circuits (if equipped)
Pilot hydraulic circuit
Return hydraulic circuit
Release Of Hydraulic Pressure From A Single Hydraulic Circuit
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