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Kohler Command Pro ECV880

Kohler Command Pro ECV880
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ECV850, ECV860, ECV870, ECV880
Service Manual
KohlerEngines.com
IMPORTANT: Read all safety precautions and instructions carefully before operating equipment. Refer to operating
instruction of equipment that this engine powers.
Ensure engine is stopped and level before performing any maintenance or service.
19 690 01 Rev. -- 1
2 Safety
3 Maintenance
5 Speci cations
16 Tools and Aids
19 Troubleshooting
23 Air Cleaner/Intake
24 Electronic Fuel Injection (EFI) System
49 Governor System
59 Lubrication System
61 Electrical System
66 Starter System
70 Disassembly/Inspection and Service
88 Reassembly

Table of Contents

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Kohler Command Pro ECV880 Specifications

General IconGeneral
BrandKohler
ModelCommand Pro ECV880
CategoryEngine
LanguageEnglish

Summary

Safety Precautions

Engine Hazards and Warnings

Details critical hazards: fuel, rotating parts, hot surfaces, exhaust, electrical shock, high-pressure fluids, and chemical risks.

Maintenance Schedule and Procedures

Maintenance Instructions

Outlines the procedure for disabling the engine before performing any maintenance or service.

Scheduled Maintenance

Lists required maintenance tasks based on operating hours or annually, including oil changes and filter replacements.

Service Parts Information

Information on acquiring genuine Kohler service parts and locating authorized dealers.

Oil and Fuel Recommendations

Oil Recommendations

Recommends specific oil types and viscosities based on ambient operating temperature.

Fuel Recommendations

Specifies requirements for clean, fresh, unleaded gasoline, including octane rating and ethanol content.

Storage Procedures

Engine Storage Guidelines

Provides instructions for storing the engine for two months or more, covering fuel treatment and oil changes.

Specifications

Engine Dimensions

Detailed measurements and labels for engine sides: flywheel, oil filter, PTO end, and valve cover.

Engine Identification Numbers

Explains how to reference engine identification numbers for repair and ordering.

General Engine Specifications

Key engine parameters: bore, stroke, displacement, oil capacity, and max operating angle.

Torque Specifications

Lists recommended torque values for engine fasteners, covering various components and sizes.

Clearance Specifications

Provides critical clearance measurements for engine components like camshaft, rods, and cylinder bores.

General Torque Values

Offers standard torque recommendations for English and Metric fasteners by size and material.

Tools and Aids

Recommended Tools and Aids

Lists specialized tools, kits, aids for servicing, DIY options, and lubricants.

Troubleshooting

Troubleshooting Guide

Provides a general guide to diagnosing common engine problems and their potential causes.

Engine Starting Issues

Covers common problems when the engine fails to crank, cranks but won't start, or starts hard.

Engine Running Issues

Addresses issues like engine missing, stalling, overheating, knocking, and loss of power.

Specific Troubleshooting Tests

Details procedures for testing crankcase vacuum, compression, and cylinder leakdown.

Air Cleaner and Intake System

Air Cleaner Service

Instructions for inspecting, cleaning, and replacing the air cleaner element and housing.

Breather Tube

Ensures proper connection of the breather tube for engine ventilation.

Air Cooling System

Highlights the importance of proper cooling and cleaning to prevent engine overheating.

EFI System Overview

System Components

Lists typical EFI system components: fuel system, ECU, sensors, and injectors.

System Operation

Explains how EFI manages engine speed, fuel delivery, and ignition timing for optimal performance.

System Notes and Precautions

Provides important notes and safety precautions for servicing the EFI system.

EFI System Electrical Components

ECU Pinout

Details the pin assignments for the Electronic Control Unit (ECU) connectors.

Wiring Diagrams

Illustrates wiring for electronic and mechanical governor systems within the EFI setup.

EFI System Troubleshooting

Component Diagnostics

Provides diagnostic procedures for sensors: Crankshaft Position, TPS, Oil Temp, and TMAP.

Fault Code Summary

Lists diagnostic fault codes, descriptions, and potential causes for EFI system malfunctions.

Troubleshooting Flowcharts

Offers flowcharts and diagnostic aids to systematically troubleshoot EFI system issues.

Governor System

Electronic Governor Overview and Components

Details components like DLA, GCU, and linkage, and their basic operation.

Electronic Governor Diagnostics and Troubleshooting

Covers testing, fault codes, and troubleshooting flowcharts for the electronic governor.

Mechanical Governor Overview and Components

Explains the operation of the mechanical governor, its components, and how it works.

Mechanical Governor Adjustment

Provides procedures for initial adjustment and setting of the mechanical governor.

Lubrication System

Lubrication System Components

Identifies key lubrication system components: oil filter, cooler, and sensors.

Oil Level and Change Procedures

Details how to check the oil level and perform an oil and filter change.

Oil Cooler and Oil Sentry Switch

Covers servicing and testing of the optional oil cooler and Oil Sentry pressure switch.

Electrical System

Spark Plug Service

Covers spark plug inspection, service, and replacement procedures.

Battery and Charging System

Details battery requirements, maintenance, testing, and the 20/25 Amp charging system.

Charging System Troubleshooting

Provides guidance for diagnosing charging system issues, including stator and rectifier-regulator.

Fuses

Explains fuse identification, ratings, and replacement procedures for the engine's electrical system.

Starter System

Starting Difficulties Troubleshooting

Guides diagnosis of starting problems related to battery, wiring, and engine.

Starter Components and Disassembly

Details solenoid shift starter components and provides steps for disassembly and inspection.

Starter Reassembly and Solenoid Tests

Covers starter reassembly procedures and tests for solenoid coils.

Disassembly, Inspection, and Service

External Engine Components

Identifies and details the removal of external engine components for service.

Fuel System Service

Procedures for disconnecting fuel lines, removing fuel pump module, and servicing related components.

Engine Component Removal

Details removal of governor linkages, manifold assembly, oil cooler, and internal engine parts.

Cylinder Head Service

Covers removal, disassembly, and inspection of cylinder heads, valves, and valve train.

Piston and Crankshaft Service

Procedures for removing, inspecting, and servicing pistons, rings, connecting rods, and crankshaft.

EFI System Component Service

Details disassembly and service procedures for EFI components: throttle body, injectors, and sensors.

Reassembly

Internal Engine Reassembly

Guides reassembly of internal engine parts: crankshaft, connecting rods, pistons, and camshaft.

Cylinder Head and Valve Train Reassembly

Covers cylinder head reassembly, valves, rocker arms, and valve clearance adjustment.

External Component Reassembly

Details reassembly of external components: valve covers, breather, baffles, stator, and flywheel.

EFI and Governor System Reassembly

Instructions for reinstalling EFI components, fuel pump module, and governor linkages.

Final Engine Preparation and Testing

Covers final assembly steps, fluid fills, spark plug installation, and initial engine testing.

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