International Harvester CAV Diesel Injection Pumps Service Manual

Description

This International Harvester CAV Diesel Injection Pumps Service Manual is a reproduction of the original out of print manual. This manual provides the servicemen with the necessary information regarding overhaul and field adjustments for the C.A.V. (D.P.A. type) Fuel Injection Pump and Nozzle Service. The “Principles of Operation” portion of the manual has been prepared to familiarize servicemen with the general function of the pump with specific detailed information covering the components which are affected by field adjustments. Cleanliness cannot be overemphasized when performing service on any part of the diesel fuel system. Completely clean the injection pump and the surrounding area on the tractor before performing any service work.

International Harvester CAV Diesel Injection Pump Models Covered

B275
TD5
B414
3414
201 Windrower
424
444
B275
B414
B434

Table of Contents

Introduction
Specifications
General Information
Fuel System
Venting the Fuel System
Principles of Operation
General
End Plate Regulating Valve
Priming
Regulating
Transf er Pump
Fuel Pump and Distribution
Fuel Pumping
Distribution
Maximum Fuel Control
Governor Control Linkage
Troubleshooting Chart
Removal
Disassembly
Inspection and Repair
End Plate
Transfer Pump
Hydraulic Head and Rotor
Governor
Cam, Drive Shaft, Drive Hub and Pump Housing
Reassembly
Installation
Field Adjustments
Maximum Fuel
Pump Timing to Engine
Effects of Pump Timing and Adjustments
Engine—PTO Ratio Chart
Testing
Transfer Pump Pressure
Feed Pump Static Pressure
Transfer Pump Vacuum
Nozzle Service
Principles of Operation
Testing
Opening Pressure Test
Seat Leakage Test
Atomization and Dispersion
Back Leakage Test
Disassembly
Cleaning and Inspection
Reassembly
Adjustments and Final Testing