FUEL INJECTION PUMP

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FAILURE SIGNS AND DIAGNOSIS FOR REUSE . . . . . . . . . . . 2
• Inspection Points for Parts Reuse Diagnosis
• Standards for Failure Determination
• Standard for Reuse of Injection Pumps Parts
EXAMPLES OF FAILURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CONSTRUCTION & FUNCTION OF FUEL
INJECTION PUMPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
• Types of Injection Pumps
• Construction of Injection Pumps
• Types of Governors
• Construction of Governors
FAILURES AND THEIR CAUSES . . . . . . . . . . . . . . . . . . . . . . 31
• Fuel
• Dust and Water
• Adjustments
PREVENTIVE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 32



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The Structure and Function of Hydraulic Gear Pumps

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FAILURE SIGNS AND DIAGNOSIS FOR REUSE . . . . . . . . . . . 2
• Inspection Points for Parts Reuse Diagnosis
• Standards for Failure Determination
• Standards for Reuse of Hydraulic Gear Pump Parts
EXAMPLES OF FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
• Gear Cases
• Brackets and Housings
• Gears
• Splines
• Needle Bearings
• Plain Bearings
• Bushings
• Side Plates
• Pump Case Bracket
STRUCTURE AND FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . 28
• Functions
• Types of Komatsu Standard Pumps
• Structure of Komatsu Standard Pumps
FAILURES AND THEIR CAUSES . . . . . . . . . . . . . . . . . . . . . . 35
PREVENTIVE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 36
• Prevention of Recurrence
• Precautions for Assembling a Pump




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Guidance for reuseable parts of Gear (or) Gear inspection

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GEAR FAILURE SIGNS, AND DIAGNOSIS
FOR REUSAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• Standards for reusage according to the failure signs
• Standards for failure determination
ANALYZING GEAR FAILURES . . . . . . . . . . . . . . . . . . . . . . . . 16
• Causes underlying to gear failures
• Gear failure signs and their causes
ESSENTIAL GEAR INFORMATION. . . . . . . . . . . . . . . . . . . . . 26
• Different types of gears
• Gear nomenclature
• Involute gears
• Cutting gear teeth
• Gear blank material
• Gear lubrication
PREVENTIVE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 37


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Power Electronic Handbook

 

Power Electronic Handbook

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