Case Farmall 40B CVT, 45B CVT, 50B CVT Tractor Service Manual

Case Farmall 40B CVT, 45B CVT, 50B CVT Tractor Service Manual

$36.00

Case Farmall 40B CVT, 45B CVT, 50B CVT Tractor Service Manual – 1969 Pages

Publication Number: 48080062
2nd edition
English
November 2016
Format: PDF

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Description

Case Farmall 40B CVT, 45B CVT, 50B CVT Tractor Manual

Farmall Tractor Model: 40B CVT, 45B CVT, 50B CVT
Publication Number: 48080062
2nd edition
English
November 2016
Format: PDF

Case Farmall 40B CVT, 45B CVT, 50B CVT Tractor Service Manual – 1969 Pages

Manual Table of Content:

  1. Introduction
  2. Engine
  3. Clutch
  4. Transmission
  5. Four Wheel Drive System
  6. Front Axle
  7. Rear Axle
  8. Power Take Off
  9. Brake and Controls
  10. Hydraulic Systems
  11. Steering
  12. Cab Climate Control
  13. Electrical System
  14. Plateform, cab, bodywork and decals
  15. Special Tools
  16. Electrical Schematic

Manual Extract: Fuel injectors – Dynamic description

Throttle-type injectors are used in all engine applications.
The injectors have a 1.0 mm (0.04 in) single orifice and are set at 14824 kPa (2150 psi). The pressure adjustment is made by adding or deleting shims from the top of the injector pressure adjusting spring. The injectors have an injection angle of 4 °. The injector pipes are of the same length for each cylinder to help keep the injection intervals in time.
The engine injection function is to inject fuel into a pressurized cylinder in a fully atomized condition, which provides efficient combustion with minimum amount of smoke. Each injector assembly consists of a nozzle assembly containing a needle valve, a nozzle holder assembly, and injector needle valve regulating spring.

Fuel from the injection pump enters the injector inlet and passes down through a drilling in the nozzle holder and body to the needle valve seat. The fuel pressurized by the injection pump, lifts the needle valve off the seat against the action of the spring pressure. The fuel is then forced, in the atomized state, through the 1.0 mm (0.04 in) orifice in the nozzle tip. When pressure from the injection pump drops, the needle valve snaps back onto its seat under pressure from the spring.
To provide lubrication of the injector, a small amount of fuel is permitted to leak up between the needle valve and the nozzle body. The excess fuel rises to the top of the injector and returns to the fuel tank through the injection leak-offline.

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