Case Hydraulic Excavator CX50B Service Manual 6-77460NAR0 – PDF DOWNLOAD

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Case Hydraulic Excavator CX50B Service Manual

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Case Hydraulic Excavator CX50B Service Manual 

Size : 127 MB
Format : PDF
Language : English
Number of Pages : 771 pages
Brand: Case
Type of machine: Hydraulic Excavator
Type of document: Service Manual
Model: Case Hydraulic Excavator CX50B
Part No: 6-77460NAR0

CASE HYDRAULIC EXCAVATOR CX50B SERVICE MANUAL 6-77460NAR0 – PDF DOWNLOAD:

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Case Hydraulic Excavator CX50B Service Manual 

SAFETY PRECAUTIONS:

The servicemen may be unfamiliar with many of the systems on this machine. This makes it important to use caution when performing service work. A knowledge of the system and or components is important before the removal or disassembiy of any component. Because of the size of some of the machine components, the servicemen should check the weights noted in this manual. Use proper lifting procedures when removing any components. Weight of components table is shown In the SPECIFICATIONS section.

The following is a list of basic precautions that must always be observed.

• Read and understand all Warning plates and decal on the machine before Operating, Maintaining or Repairing this machine.
• Always wear protective glasses and protective shoes when working around machines. In particular, wear protective glasses when using ham- mers, punches or drifts on any part of the ma- chine or attachments. Use welders gloves. hood! goggles. apron and the protective clothing appropriate to the welding job being performed. Do not wear loose fitting or torn clothing. Remove all rings from fingers, loose jewelry, confine long hair and loose clothing before working on this machinery.
• Disconnect the battery and hang a “Do Not Oper- ate’ tag in the Operators Compartment. Remove ignition keys.
• If possible. make all repairs with the machine parked on a level, hard surface. Block the ma- chine so it does not roll while working on or under the machine. Hang a “Do Not Operate” tag in the Operators Compartment.
• Do not work on any machine that is supported only by lift. jacks or a hoist. Always use blocks or jack stands. capable of supporting the machine. before performing any disassembly.
• Relieve all pressure in air. oil or water systems before any lines. fittings or related items are dis- 1 connected or removed. Always make sure all raised components are blocked correctly and be alert for possible pressure when disconnecting any device from a system that utilizes pressure.
• Lower the bucket, dozer. or other attachments to the ground before performing any work on the ma- chine. If this cannot be done. make sure the bucket. dozer. ripper or other attachment is blocked correctly to prevent it from dropping unexpectedly.
• Use steps and grab handles when mounting or dismounting a machine. Clean any mud or debris from steps, walkways or work platforms be- fore using. Always face to the machine when using steps, ladders and walkways. When it is not possible to use the designed access system, provide ladders, scaffolds, or work platforms to per- form safe repair operations.
• To avoid back injury, use a hoist when lifting components which weigh 20kg (45le) or more. Make sure all chains. hooks. slings. etc., are in good condition and are the correct capacity. Be sure hooks are positioned correctly. Lifting eyes are not to be side loaded during a lifting operation.
• To avoid burns. be alert for hot parts on machines which have just been stopped and hot fluids in lines. tubes and compartments.
• Be careful when removing cover plates. Gradually back off the last two capscrews or nuts located at opposite ends of the cover or device and carefully pry cover loose to relieve any spring or other pressure. before removing the last two capscrews or nuts completely.
• Be careful when removing filler caps. breathers and plugs on the machine. Hold a rag over the cap or plug to prevent being sprayed or splashed by liquids under pressure. The danger is even greater if the machine has Just been stopped because fluids can be hot.
• Always use the proper tools that are in good con- dition and that are suited for the job at hand. Be sure you understand how to use them before performing any service work.
• Reinstall all fasteners with the same part number. Do not use a lesser quality fastener if replacements are necessary.
• Repairs which require welding should be per- formed only with the benefit of the appropriate reference information and by personnel ad- equately trained and knowledgeable in welding procedures. Determine type of metal being welded and select correct welding procedure and electrodes. rods or wire to provide a weld metal strength equivalent at least to that of the parent metal. Make sure to disconnect battery before any welding procedures are attempted.

TABLE OF CONTENTS:

Case Hydraulic Excavator CX50B Service Manual 

Table of Contents
...........................................  2
Section 1 - Standard Specifications and Maintenance
.........  4
Section 2 - Hydraulic, Electrical, and Component Systems
....106
Section 3 - General Disassembly and Assembly
................260
Section 4 - Troubleshooting
.................................496
Section 5 - Engine
..........................................544
Electrical and Hydraulic Schematics
.........................768
6-77720 Hydraulic 1.pdf......................................  0
	Page 1...................................................769
6-77720 Hydraulic 2.pdf......................................  0
	Page 1...................................................770
6-77720 Hydraulic 3.pdf......................................  0
	Page 1...................................................771

PLEASE NOTE:

• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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