Part of the New Holland Repair Manuals.
Ready to tear down the undercarriage or troubleshoot the mechatro control system on your hydraulic excavator? This 940-page New Holland E80MSR workshop manual PDF (OEM #604.13.421) gives you the exact factory teardown and rebuild procedures for the entire machine. Inside, you get detailed hydraulic schematics mapping out the boom raise conflux circuits, plus full electrical wiring diagrams to trace controller faults. Open to the troubleshooting section to find step-by-step diagnostic charts for the engine, travel system, and upper slewing body. Lock down the boom cylinder piston nut to exactly 3000 N·m (2210 lbf·ft) and verify your main relief valve set pressure is hitting 29.4 MPa at 28 L/min before sending the rig back out. Stop wasting shop hours guessing at diagnostic codes. Grab this bookmarked download, pull it up on your shop tablet, and get your excavator digging again.
What's Inside This New Holland E80MSR Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety Precautions | 5-10 | General Safety Information |
| Outline | 11-18 | Hydraulic Equipment, Electrical Equipment, Hydraulic Parts, Welding Repair, Environmental Measure, International Unit Conversion System |
| Specifications | 19-32 | Name of Components, Machine Dimensions, Weight of Components, Transportation Dimension and Weight, Specifications and Performance, Type of Crawler, Type of Bucket |
| Attachment Dimensions | 33-54 | Boom, Arm, Bucket, Dozer, Swing |
| Tools | 55-70 | Torque Specifications for Capscrews & Nuts, Screw and Tool Sizes, Torque Specifications for Joints and Hoses, Torque Specifications for Sleeve Type Tube Fittings, Plugs |
| Standard Maintenance Time Schedule | 71-88 | Standard Maintenance Time Schedule for Excavator, Standard Working Time Table for the Maintenance of Engine |
| Maintenance Standard and Test Procedure | 89-114 | How to Use Maintenance Standard and Precautions, Performance Inspection Standard Table, Measurement of Engine Speed, Measurement of Hydraulic Pressure |
| Mechatro Control System | 115-136 | Summary of Mechatro Control System, Boom Raise Conflux Mechatro Control System, Slewing Cut Valve Control Mechatro Control System, Arm in / Out Conflux Mechatro Control System |
| Hydraulic System | 137-196 | Summary, Hydraulic Circuits and Component Models |
| Electrical System | 197-236 | Electrical Circuit Diagram and Equipment List, Harness, Controller Assy, Instrument Panel Assy, Upper Electrical Assy, Engine Harness Assy |
| Components System | 237-354 | Hydraulic Components, Electric Equipment |
| Air-Conditioner System | 355-392 | Construction and Piping, Construction of Main Components, Function, Disassembly and Assembly, Charging Refrigerant, Electric Circuit, Troubleshooting |
| General Disassembly and Assembly | 393-396 | Attachment, Hydraulic Cylinder, Upper Slewing Structure, Hydraulic Pump, Control Valve, Pilot Valve (Att), Pilot Valve (Travel), Slewing Motor |
| Attachments | 397-438 | Attachment and Component, Bucket, Arm, Boom, Swing, Dozer, Cylinder |
| Upper Slewing Body | 439-550 | Cab, Operator Seat, Battery, Instrument Panel, Counterweight, Guard, Under Cover, Air Cleaner |
| Travel System | 551-646 | Crawler, Upper Roller, Lower Roller (Track Roller), Front Idler (Idler Adjuster Assy), Sprocket, Travel Motor, Slewing Bearing |
| Troubleshooting (Mechatro Control) | 647-656 | Outline, Table of Actuator for Troubleshooting : Mechatro Control, Troubleshooting Summarized : Mechatro Control, Check Point for Mechatro System |
| Troubleshooting (Hydraulic System) | 657-676 | Trouble Diagnosis : Hydraulic, Troubleshooting |
| Troubleshooting (Electric) | 677-700 | Trouble Diagnosis Table : Electric, Controller Error Code Display, Service Diagnosis |
| Troubleshooting (Engine) | 701-712 | Trouble Diagnosis : Engine, Troubleshooting |
| Engine | 713-940 | Cylinder Head Cover, Rocker Arm Shaft Bracket, Crankshaft Bearing Cap, Connecting Rod Bearing Cap, Crankshaft Damper Pulley, Flywheel, Oil Pan |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Boom cylinder Piston nut tightening torque | 3000 N·m (2210 lbf·ft) | p. 430 |
| Boom cylinder Setscrew tightening torque | 56.9 N·m (42 lbf·ft) | p. 430 |
| Suction port (B2) hose connection tightening torque | 4.4 N·m (3.3 lbf·ft) | p. 463 |
| Main relief valve set pressure | 29.4 MPa (4270 psi) at 28 L/min (7.4 gal/min) | p. 259 |
| Over load relief valve set pressure | 32.9 MPa (4760 psi) at 20 L/min (5.3 gal/min) | p. 259 |
| Main pump displacement capacity | 31.4 X 2 cm3/rev | p. 239 |
| Main pump max. pressure | 29.4 MPa (4270 psi) | p. 239 |
| O-ring sealing type piping joint tightening torque (PF 1/8) | 17±2 N•m (12±1 lbf•ft) | p. 60 |
| O-ring sealing type piping joint tightening torque (PF 1/4) | 36±2 N•m (27±1 lbf•ft) | p. 60 |
| Pilot pressure (MAX) | 3.5 MPa (508 psi) | p. 259 |
| Pilot relief valve pressure | about 3.43MPa (500psi) | p. 662 |
| Main relief valve pressure (P1,P2) | 29.4MPa (4270psi) | p. 662 |
