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Caterpillar 301.5, 301.6, 301.8 Mini Excavator Repair Manual (incl. Wiring)

$39.95

Model: 301.5 | 301.6 | 301.8
Type: Mini Hydraulic Excavators
Serial: 301.8 BFA1-Up; 301.5 and 301.6 3YW1-Up and BDH1-Up
2303 Pages·162 MB·Searchable PDF·English·Print-Ready
  • ✓ Wiring Diagrams
  • ✓ Hydraulic Schematics
  • ✓ Multi-Level Bookmarks (3-level navigation)

Same factory service manual used by authorized dealer technicians.

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Caterpillar 301.5 repair - Crankshaft Rear Seal - Install
Caterpillar 301.5, 301.6, 301.8 Mini Excavator Repair Manual (incl. Wiring)
$39.95

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This is the full Caterpillar SIS repair set for the 301.5, 301.6 and 301.8 mini excavators (serial prefixes 3YW1-Up, BDH1-Up and BFA1-Up), built from RENR2808 Machine Systems, the RENR2803 Engine Supplement and the SENR5022/5023/5027 engine manuals for the Cat 3003, 3013, 3014 and 3024 diesels. These are mechanical machines, so everything gets diagnosed the old way: pressure gauges and a stopwatch against printed specs. The book gives you those numbers - main relief at 19100 +/- 500 kPa for boom and stick, pilot pressure at 3400 +/- 300 kPa, boom cycle times to the tenth of a second. Hydraulic schematics for all three models, plus disassembly and assembly for pumps, motors, swivel, cylinders and the complete engine.

What's Inside This Caterpillar 301.5, 301.6, 301.8 Repair Manual

SystemPagesKey Topics
Schematic32-125301.8 Hydraulic System Schematic, 301.5 and 301.6 Hydraulic System Schematic, Electrical System Schematics
Air Inlet and Exhaust System126-146Air Cleaner, Exhaust Manifold, Inlet Manifold, Muffler
Basic Engine147-408Camshaft, Crankshaft, Cylinder Block, Cylinder Head, Flywheel, Compression Test, Engine Valve Lash, Bearing Inspection
Cooling System409-459Fan Drive, Water Pump, Water Temperature Regulator, Radiator
Electrical and Starting System - Systems Operation460-1017Alternator, Battery, Charging System, Electric Starting System, Sensors and Senders
Electrical and Starting System - Testing and Adjusting1018-1166Charging System Test, Battery Test, Starting System Test, Sensor Test
Electrical and Starting System - Troubleshooting1167-1366Electrical Troubleshooting Procedures, Circuit Tests
Electrical and Starting System - Specifications, Disassembly and Assembly1367-1413Alternator Remove and Install, Starting Motor Remove and Install, Wiring Harness
Engine Arrangement1414-1488Engine Mounting and Arrangement
Frame and Body1489-1506Frame, Body Panels
Fuel System1507-1612Fuel Filter, Fuel Injection Lines, Fuel Injection Pump, Fuel Injection Nozzles
Hydraulic System1613-2029Gear Pumps, Pilot Hydraulic System, Main Control Valve, Bank Valve, Swing System, Swivel, Relief Valve Test and Adjust, Cylinders, Operational Checks
Implements2030-2057Boom, Stick, Bucket Linkage
Lubrication System2058-2090Engine Oil Pump, Engine Oil Relief Valve, Oil Filter
Operator Station2091-2106Cab, Controls, Seat
Power Train2107-2177Piston Motor (Swing), Gerotor Motor (Travel), Final Drive
Service Equipment and Supplies2178-2183Service Tooling and Supplies
Torque Specifications2184-2231Metric ISO Fasteners, English SAE Fasteners, Fittings, Plugs, Hose Clamps
Undercarriage2232-2290Undercarriage Frame, Track Roller, Front Idler, Recoil Spring
Work Tools2291-2303Work Tool Hydraulics and Mounting

Quick Reference Specifications

SpecificationValuePage
at high idle, hydraulic oil 50 to 60 C
Boom cycle timeextend 3.1 +/- 0.5 s, retract 2.4 +/- 0.5 sp. 1690
Main relief valve pressure (boom, stick)19100 +/- 500 kPa (2770 +/- 72 psi)p. 1712
All Models
Stick cycle timeextend 4.3 +/- 0.5 s, retract 2.9 +/- 0.2 sp. 1690
Bucket cycle timeextend 2.8 +/- 0.3 s, retract 2.1 +/- 0.2 sp. 1690
Swing time18.4 +/- 0.8 s for 3 revolutionsp. 1690
Main relief valve pressure (blade)17650 +/- 450 kPa (2560 +/- 65 psi)p. 1712
Line relief valve pressure (stick, boom)21850 +/- 250 kPa (3200 +/- 35 psi)p. 1727
Pilot system pressure3400 +/- 300 kPa (490 +/- 45 psi)p. 1706
High idle speed2535 to 2585 rpm
Engines coveredCaterpillar 3003, 3013, 3014 and 3024 diesel
Serial prefixes301.8 BFA1-Up; 301.5 and 301.6 3YW1-Up and BDH1-Up
pilot accumulator
Accumulator charge pressure900 kPa (130 psi) at 20 C
BrandCaterpillar
Model301.5, 301.6, 301.8
Machine TypeMini Hydraulic Excavators
Manual TypeRepair Manual
LanguageEnglish
FormatSearchable PDF (Digital Download)
Pages2,303
File Size162 MB
Manual No.RENR2808
Serial Range301.8 BFA1-Up; 301.5 and 301.6 3YW1-Up and BDH1-Up
Wiring DiagramsYes
Hydraulic SchematicsYes
Torque SpecificationsNo
Bookmarked / IndexedYes
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