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Caterpillar 320C, 320C L, 320C LN, 320C S Repair Manual, BBL BCN BDE BEA Serials (Incl. Wiring)

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$89.95 USD · one-time payment

Model: 320C | 320C L | 320C LN | 320C S
Type: Hydraulic Excavator
Serial: BBL1-UP | BCN1-UP | BDE1-UP | BEA1-UP
5855 Pages·76 MB·Searchable PDF·English·Print-Ready
  • ✓ Wiring Diagrams
  • ✓ Hydraulic Schematics
  • ✓ Torque Specs
  • ✓ Multi-Level Bookmarks (4-level navigation)
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Caterpillar 320C repair manual contents page listing all 18 sections from Air Inlet And Exhaust System to Schematics
Caterpillar 320C, 320C L, 320C LN, 320C S Repair Manual, BBL BCN BDE BEA Serials (Incl. Wiring)
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This is the factory Caterpillar repair library for the 320C, 320C L, 320C LN and 320C S hydraulic excavators - 5855 pages covering the engine, hydraulic system, power train, undercarriage, electrical system and operator station, split the way Cat dealers use it: Systems Operation, Testing and Adjusting, Troubleshooting, and Specifications with Disassembly and Assembly. One note on coverage, stated plainly because the book itself does it two ways: the machine sections print serial prefixes BBL1-UP, BCN1-UP, BDE1-UP and BEA1-UP on p.14, while p.40 lists a wider set of 16 prefixes for the embedded documents. Real numbers are here - main relief at 34300 ± 490 kPa (4950 ± 72 psi), pilot relief at 4100 ± 200 kPa (595 ± 29 psi), pump case drain limits, cylinder drift limits - plus full schematics and torque specifications.

Other editions of this manual

What's Inside This Repair Manual

SystemPagesKey Topics
Air Inlet and Exhaust System1-78Air Inlet and Exhaust System - Inspect, Turbocharger - Inspect, Inlet Manifold Pressure - Test, Exhaust Temperature - Test, Air Cleaner, Exhaust Manifold
Basic Engine79-402Finding Top Center Position for No. 1 Piston, Fuel Injection Nozzle - Test, Gear Group (Front) - Time, Engine Crankcase Pressure (Blowby) - Test, Compression - Test, Engine Valve Lash - Inspect/Adjust
Cooling System403-490Cooling System - Check - Overheating, Cooling System - Inspect, Cooling System - Test, Engine Oil Cooler - Inspect, Water Temperature Regulator - Test, Engine Oil Cooler
Electrical and Starting System - Systems Operation491-1151Electrical System, General Information (Electrical System), Power Circuit, Start and Stop Circuit, Starting Aid Circuit, Charging Circuit
Electrical and Starting System - Testing and Adjusting1152-1557Alternator - Test, Battery - Test, Charging System - Test, Electric Starting System - Test, Pinion Clearance - Adjust, General Information (3)
Electrical and Starting System - Troubleshooting1558-1737Service Tools (2), Electrical Component and Connector Locations, Harness and Wire Identification (2), Using Caterpillar Electronic Technician (2), Using Caterpillar Electronic Technician to Determine Diagnostic Codes, Mid 06A - Cid 0145 - Fmi 06
Electrical and Starting System - Specifications / Disassembly and Assembly1738-1814Alternator and Regulator, Alternator and Regulator (2), Alternator and Regulator (3), Alternator, Alternator - Remove and Install (2), Air Inlet Heater
Engine Arrangement1815-1900General Information, Engine Speed - Check, Engine Performance - Test - Engine Speed, Engine Design, Engine Design (2), System Pressure - Release
Frame and Body1901-1994Swing Hydraulic System, Swing Bearing Movement - Measure, Counterweight, Swing Drive, Upper Frame, Undercarriage Frame
Fuel System1995-2225Governor Actuator Control, Fuel System - Inspect, Air in Fuel - Test, Fuel Injection Nozzle - Test, Fuel Injection Timing - Check, Fuel Quality - Test
Hydraulic System - Systems Operation2226-2519General Information, Main Hydraulic System, Pilot Hydraulic System, Gear Pump (Pilot), Hydraulic Filter (Pilot), Relief Valve (Pilot)
Hydraulic System - Testing and Adjusting2520-2857Check of Proportional Reducing Valve - Troubleshoot - CID 581, Proportional Reducing Valve Sweep - Test - Power Shift, Proportional Reducing Valve - Calibrate - Power Shift, General Testing and Adjusting Information, Visual Inspection, Hydraulic System Pressure - Release
Hydraulic System - Troubleshooting2858-3001General Information (3), Using Service Mode, Visual Inspection (2), Initial Troubleshooting Procedure, Diagnostic Code List, Mid 06A - Cid 1522 - Fmi 03
Hydraulic System - Specifications / Disassembly and Assembly3002-4336System Pressure - Release, Hydraulic System Pressure - Release (2), Accumulator (Pilot) (2), Accumulator (Pilot) (3), Accumulator (Hydraulic Pilot), Gear Pump (Auxiliary)
Implements4337-4440SmartBoom Hydraulic System, Boom, Boom Bearings and Seals, Bucket Linkage - C-Family, Bucket Linkage - B-Family, Bucket Linkage
Lubrication System4441-4514Engine Crankcase Pressure (Blowby) - Test, Engine Oil Pressure - Test, Engine Oil Pump - Inspect, Excessive Engine Oil Consumption - Inspect, Increased Engine Oil Temperature - Inspect, Crankcase Breather
Machine Arrangement4515-4527Service Intervals, Heating and Air Conditioning Service Publications
Operator Station4528-5506Monitoring System, Operator Monitor, General Information, Air Conditioning System, Refrigerant Compressor, Refrigerant Condenser
Power Train5507-5591Final Drive, Travel on Level Ground - Test - Optional Test, Travel on Level Ground - Test, Duo-Cone Conventional Seals, Final Drive (2), Duo-Cone Conventional Seals - Install (2)
Service Equipment and Supplies5592-5648Cab Pressurization and Filtration System, Required Tools, Manifold Gauge Set (Refrigerant), Manifold Gauge Set (Refrigerant) - Install (2), Manifold Gauge Set (Refrigerant) - Remove (2), Heating and Air Conditioning Service Publications
Undercarriage5649-5714Front Idler, Recoil Spring and Hydraulic Track Adjuster, Hydraulic Track Adjusters, Recoil Spring, Recoil Spring and Hydraulic Track Adjuster - Remove (2), Recoil Spring and Hydraulic Track Adjuster - Install (2)
Work Tools5715-5730Bucket Adjuster, Bucket Adjuster (2), Bucket
Torque Specifications5731-5779General Information, Metric (ISO) Fasteners, English (SAE) Fasteners, Ground Engaging Tool (G.E.T.) Fasteners, Installation of Fittings, Straight Thread O-Ring Fittings
Schematics5780-5855320C Excavator Hydraulic System - Attachment - Fine Filtration (Interactive) 188-6617-00, Features, Cover Page, Component Location, Tap Location, Fluid Power Symbols

Quick Reference Specifications

SpecificationValuePage
Main relief valve pressure34300 ± 490 kPa (4950 ± 72 psi)p. 2590
Pilot relief valve pressure4100 ± 200 kPa (595 ± 29 psi)p. 2577
Main pump case drain flow limit (one pump, 35000 kPa)17.3 L/min (4.57 US gpm)p. 2587
Main pump case drain flow limit (two pumps, 35000 kPa)26.0 L/min (6.87 US gpm)p. 2587
Maximum no-load engine speed (test setting)1860 ± 50 rpmp. 2586
Overswing, right swing - new1100 mm (43.3 inch) or lessp. 2562
Overswing, right swing - service limit1400 mm (55.1 inch) or lessp. 2562
Boom cylinder drift - new6.0 mm (0.24 inch) or lessp. 2569
Boom cylinder drift - service limit24.0 mm (0.94 inch) or lessp. 2569
Pilot relief valve locknut torque49 ± 4.9 N·m (36 ± 4 lb ft)p. 2577
Pilot accumulator charge pressure at -25 °C1490 kPa (216 psi)p. 2579
BrandCaterpillar
Model320C, 320C L, 320C LN, 320C S
Machine TypeHydraulic Excavator
Manual TypeRepair Manual
LanguageEnglish
FormatSearchable PDF (Digital Download)
Pages5,855
File Size76 MB
Serial RangeBBL1-UP, BCN1-UP, BDE1-UP, BEA1-UP
Wiring DiagramsYes
Hydraulic SchematicsYes
Torque SpecificationsYes
Bookmarked / IndexedYes
Categories: , Tags: , , ,

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