4d56 Workshop Manual Pdf

All work should be performed with great care and in a clean working area with adequate lighting. This manual also contains information about adjusting work and valuable reference data for such adjustment values. The descriptions are brief but precise and are supported by photographs, notes, drawings and schematics, as well as exploded and sectional drawings. The fuel injection pressure at the time the engine is started is calculated from the coolant temperature and engine speed. No special emphasis is put on replacing sealing components as we assume that these items are replaced during any repair.

For this reason, the hydraulic pressure that is applied to the command piston causes the nozzle spring to compress. The sensor is made from a semicon- ductor that uses the Piezo resistive effect to detect changes in electrical resistance based on the pressure applied to the elemental sili- con. Keep complete records of all maintenance and repairs with dates and any new parts installed. Comprehensive explanations of all installation, removal, disassembly, assembly, repair and check procedures are laid out with the individual steps in sequential order.


With the rotation of the inner rotor, the feed pump draws fuel from its suction port and pumps it out through the discharge port. Where accurate measurements are required, they can only be made using calibrated, precision instruments.

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To perform all repairs listed in this manual, a complete set of standard tools, as well as the special tools and fixtures shown and listed are necessary. Follow the procedures in this manual carefully and completely. Muy bueno el manual gracias por la ayuda. This part should be understood before proceeding with troubleshooting, microeconomics campbell mcconnell pdf disassembling and servicing. Do not allow problems to develop.

Mitsubishi 4D56 User Manual

As a result, the quantity of fuel that is injected until main ignition occurs increases, resulting in an explosive combustion at the time of main ignition. Information on the construction and function are included. The illustrations in this manual are used to highlight the fundamental principles and procedures of basic interventions. This book may not be reproduced or copied, in whole or in part, without the written permission of the publisher. Unless specific values are given, all threaded connections should be tightened according to the required tightening torques listed on torque charts.

Rectify all problems as soon as possible immediately if safety related. Where usage is not obvious the tool is shown in use. Due to the spring force, Plunger B is pulled in the opposite direction to Plunger A.

The eccentric cam is connected to the ring cam. The specification, maintenance and other information for the components are included, and diagnostic information has also been added where necessary.

All information, illustration and specifications contained in this manual are based on the latest product information avaiable at the time of publication approval. These groups contain general information, diagnosis, testing, adjustments, removal, installation, disassembly, and assembly procedures for the systems and components. However, it contains enough detail and basic information to make it useful to the owner who desires to perform his own basic maintenance and repair work.

In order to perform the work efficiently and to avoid costly mistakes, read the text and thoroughly familiarise yourself with procedures before starting work. The two plungers are positioned vertically on the outer ring cam for compactness. The feed pump is driven by the drive shaft.

Following them will help assure reliability. Under no circumstances use makeshift tools or equipment since the use of substitutes may adversely affect safe operation. This closes the nozzle needle, and as a result, fuel is not injected.

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