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Kohler KD350 - Repair Manual

Kohler KD350
74 pages
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KD225 - KD315 - KD350
KD400 - KD440
WORKSHOP MANUAL

Table of Contents

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Questions and Answers

  • A
    Alyssa CaseJul 26, 2025
    How to fix a Kohler KD350 Engine that does not start?
    • W
      wmartinezJul 26, 2025
      If your Kohler Engine won't start, begin by inspecting the fuel circuit for any obstructions in the pipes or a clogged fuel filter. Also, check for air in the fuel circuit, a clogged tank breather hole, a faulty fuel pump, or a jammed injector. Other potential issues include a jammed injection pump delivery valve or delivery control, an incorrect injector or injection pump setting, or excessive plunger blow-by.
  • A
    Angela McdonaldAug 2, 2025
    What to do if my Kohler KD350 Engine starts but then stops?
    • K
      Kenneth FullerAug 2, 2025
      If your Kohler Engine starts but stops, check for a clogged air filter, excessive idle operation, or engine overload. Also, consider if the engine has undergone incomplete running-in.
  • W
    William RobinsonAug 9, 2025
    Why is the speed of my Kohler KD350 non-uniform?
    • D
      Dr. Bryan Stephens VAug 9, 2025
      Non-uniform speed in your Kohler Engine can be caused by several factors. Check if the idle speed is too low, or if there are worn or jammed piston rings. Other potential causes include worn or scored cylinders, worn valve guides, jammed valves, or worn bearings. Ensure the governor linkage and drive shaft are free to slide.
  • R
    Rebecca RobertsonAug 17, 2025
    How to troubleshoot no acceleration in Kohler KD350?
    • K
      kimberlycolemanAug 17, 2025
      If your Kohler Engine isn't accelerating properly, examine the injection timing for being either advanced or delayed. Also, inspect the governor linkage adjustment for correctness and check for a broken or loose governor spring.

Summary

Warranty Certificate

Limited 3 Year Kohler Diesel Engine Warranty

Details the warranty terms for the diesel engine.

California Emission Control Warranty Statement

Explains emissions warranty for California engines.

Your Warranty Rights and Obligations

Outlines owner's responsibilities and rights under warranty.

Troubleshooting Engine Issues

General Remarks and Safety Information

Safety Regulations

General rules and recommendations for safe operation and maintenance.

General Safety During Operating Phases

Specific safety measures for operating the engine.

Maintenance and Refilling Procedures

Maintenance Schedule and Intervals

Table detailing maintenance intervals and components for service.

Disassembly and Reassembly Procedures

Cylinder Head and Injector Servicing

Cylinder head removal/refitting and injector projection adjustment.

Cylinder, Piston, and Ring Checks

Measuring cylinder bore, piston, and rings for wear.

Crankshaft and Connecting Rod Inspection

Inspecting connecting rods, crankshaft end play, and journals.

Camshaft and Timing System Servicing

Camshaft inspection, timing, and related systems.

Lubrication System Details

Oil Filter and Pressure Check

Specifications for oil filters and procedure for checking oil pressure.

Fuel System Operation and Servicing

Injection Pump Disassembly and Refitting

Steps for disassembling, refitting, and servicing the injection pump.

Injection Pump Timing and Advance Adjustment

Procedures for setting static injection timing and advance.

Injector Specifications and Calibration

Details on injector parts, adjustment, and calibration.

Nozzle Testing and Leakage Detection

Electrical System Components and Diagrams

Engine Settings and Adjustments

Idle and Full Speed Adjustments (KD 315-350)

Idle and Top Rate Adjustments (KD 225-400-440)

Injection Pump Flow Rate and Delivery Setting

Adjusting injection pump flow rate and delivery.

Torque Specifications and Sealant Use

Main Engine Component Torque Specifications

Table of torque values for various engine components.

Screw Tightening Torques (Coarse & Fine Thread)

Kohler KD350 Specifications

General IconGeneral
BrandKohler
ModelKD350
CategoryEngine
LanguageEnglish

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