Complete workshop service repair manual with electrical wiring diagrams for Caterpillar 320C/322C Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Caterpillar 320C/322C Excavator 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:
RENR3763 - Specifications (312C, 315C, 318C, 319C, 320C, 322C, 325C and 330C Excavators Air Conditioning & Heating)
RENR3763 - Systems Operation (312C, 315C, 318C, 319C, 320C, 322C, 325C and 330C Excavators Air Conditioning & Heating)
RENR3763 - Testing & Adjusting (312C, 315C, 318C, 319C, 320C, 322C, 325C and 330C Excavators Air Conditioning & Heating)
RENR3813 - Disassembly & Assembly (320C Excavator Engine Supplement)
RENR3814 - Systems Operation (MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2)
RENR3814 - Testing & Adjusting (MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2)
RENR3815 - Specifications (320C Excavator Machine System Specifications)
RENR3816 - Systems Operation (320C Excavator Hydraulic System)
RENR3817 - Testing & Adjusting (320C Excavator Hydraulic System)
RENR3818 - Systems Operation (320C and 322C Excavators Attachment Hydraulic System)
RENR3818 - Testing & Adjusting (320C and 322C Excavators Attachment Hydraulic System)
RENR3819 - Schematic (320C Excavator Hydraulic System)
RENR3820 - Schematic (320C Excavators Hydraulic System (Attachment) Quick Coupler)
RENR3821 - Schematic (320C Excavator Electrical System)
RENR3822 - Schematic (320C Excavator Electrical System)
RENR3823 - Systems Operation (320C, 322C and 325C Excavators Tool Control System)
RENR3823 - Testing & Adjusting (320C, 322C and 325C Excavators Tool Control System)
RENR3823 - Troubleshooting (320C, 322C and 325C Excavators Tool Control System)
RENR3826 - Disassembly and Assembly (320C Excavator Machine Systems)
RENR3829 - Schematic (320C, 322C Excavators Stick Lowering Control Valve Hydraulic System - Attachment)
RENR3847 - Schematic (320C U Excavator Electrical System)
RENR3886 - Schematic (320C Excavators Hydraulic System (Attachment) System 1 One Way/One Pump Flow/Hydraulic Foot Pedal)
RENR3888 - Schematic (320C Excavators Hydraulic System (Attachment) System 14 Combined Function/Auxiliary Pump)
RENR3893 - Schematic (320C Excavator Hydraulic System - Attachment)
RENR3895 - Testing & Adjusting (320C Excavator Hydraulic System)
RENR7159 - Schematic (320C Excavator Hydraulic System - Attachment)
RENR7269 - Schematic (320C Excavator Hydraulic System (Attachment) VA Boom)

EXCERPT:
Note: A hydraulic oil sample should be obtained before any maintenance is performed in order to establish the system contaminant level. Refer to Fluid Analysis Laboratory Guide, SEBF3116,
"Obtaining an Oil Sample for S·O·S Analysis". Refer to Operation and Maintenance Manual,
"Sampling Interval and Location of Sampling Valve" for the correct location.
1. Release the pressure in the hydraulic system.
ReferenceRefer to Disassembly and Assembly, "Hydraulic System Pressure - Release" in this manual.
2. Drain the hydraulic oil tank into a suitable container for storage or disposal. The capacity of the hydraulic oil tank is 120 L (32 US gal).
ReferenceRefer to Operation and Maintenance, "Hydraulic System Oil - Change" in the service manual.
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