Service Manual Table of Contents

Product Overview

This service manual provides detailed information and instructions for the maintenance and repair of two diesel engine models designed for specific applications. The 3.0-liter version is a water-cooled, naturally aspirated, four-cylinder diesel engine with direct injection, ideal for industrial and agricultural applications, identified by the letters UA. The 2.6-liter version, also water-cooled and naturally aspirated but featuring a four-cylinder diesel engine with indirect injection, is specially designed for forklift truck applications and identified by the letters UB.

The engine number for both versions is stamped on a label (A) affixed to the right, rear side of the cylinder block.

Contents

• General Information – Page 10
• Specifications – Page 11
• Service Operations:
  • Cylinder Head Assembly – Page 12
  • Piston and Connecting Rod Assembly – Page 13
  • Crankshaft Assembly – Page 14
  • Timing Case and Drive Assembly – Page 15
  • Cylinder Block Assembly – Page 16
• Engine Timing – Page 17
• Aspiration System – Page 18
• Lubrication System – Page 19
• Fuel System – Page 20
• Cooling System – Page 21
• Flywheel and Flywheel Housing – Page 22
• List of Special Tools – Page 25

Key Features

• 3.0-liter water-cooled, naturally aspirated engine with direct injection
• 2.6-liter water-cooled, naturally aspirated engine with indirect injection
• Specifically designed for industrial, agricultural, and forklift applications

Benefits

• Detailed guidance for engine maintenance and repair
• Improved performance and longevity of engines
• Clear identification and location of engine components

Usage Recommendations

• Use this manual for comprehensive troubleshooting and repair of specified engine models.
• Refer to the engine number label for accurate part identification.
• Follow step-by-step instructions to ensure effective maintenance and servicing.