Komatsu Dresser TD7H, TD8H, TD9H Dozer Service Manual

Product Overview

This comprehensive Dresser shop manual provides detailed information essential for the maintenance and repair of the Komatsu Dresser TD7H, TD8H, and TD9H Dozers. It includes critical data on component locations, specifications, service and special tools, tolerances, pressures, lubricants and sealants, special torque values, tests and adjustments, assembly tips, and references to service bulletins.

The manual is systematically organized into major sections, each indexed by title and distinguished with individual section index tabs for ease of use.

Contents

• Introduction – Section 1
• Miscellaneous – Section 2
• Brakes – Section 4
• Steering – Section 5
• Cooling – Section 6
• Drive Train – Section 7
• Direct Drive – Section 7A
• Torque Converter – Section 7B
• Transmission – Section 7C
• Steering Drive – Section 7E
• Sprocket Drive – Section 7F
• Electrical – Section 8
• Frame – Section 9
• Hydraulics – Section 10
• Pumps and Motors – Section 10A
• Valves – Section 10B
• Cylinders – Section 10C
• Instruments – Section 11
• Power – Section 12
• Superstructure – Section 13
• Undercarriage – Section 14
• Track Chain – Section 15
• Mounted Equipment – Section 17

Key Features

• High Starting Torque: The cranking motor delivers exceptional starting performance through the use of a high-speed motor and an offset gear reduction, providing up to 4 hp (3 kW) of output.
• Reliable Engagement: A solenoid-operated mechanism ensures the pinion engages securely with the engine flywheel, minimizing contact sticking.
• Durability: A medium-duty, 5-roll overrunning drive minimizes overrun friction for extended operational life.
• Dynamically Balanced Armature: Ensures efficient performance with sealed ball bearings and reinforced with steel banding and varnish impregnation.
• Even Brush Wear: Equipped with constant pressure brush springs, promoting uniform brush wear and longevity.

Benefits

• Ease of Use: Section tabs and detailed indexing facilitate quick access and navigation through the manual.
• Comprehensive Coverage: Includes detailed maintenance procedures and specifications for all major components, enhancing repair accuracy and efficiency.
• Enhanced Reliability: Features such as dynamically balanced armature and advanced sealing technologies ensure consistent performance over time.

Usage Recommendations

• Ideal for usage by professional technicians for guided maintenance and repairs.
• Beneficial for equipment operators seeking to understand operational functions and troubleshooting processes.
• Recommended for integration into training materials for technical education regarding heavy machinery maintenance.