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Summary of Contents for Case CX750D
- Page 1 CX750D Crawler Excavator SERVICE MANUAL Part number 51408165 English October 2017...
- Page 2 SERVICE MANUAL CX750D Crawler excavators RTC Mass excavator version (TIER4 FINAL) - NA Market CX750D Crawler excavators RTC version (TIER4 FINAL) - NA Market 51408165 27/10/2017...
- Page 3 Contents INTRODUCTION Machine completion and equipment ..........05 [05.200] Product shipment ..............05.1 Engine..................
- Page 4 [35.106] Variable displacement pump ............35.3 [35.102] Pump control valves.
- Page 5 [55.201] Engine starting system ............. 55.5 [55.301] Alternator .
- Page 6 [84.100] Bucket ................84.3 Platform, cab, bodywork, and decals ..........
- Page 7 51408165 27/10/2017...
- Page 8 INTRODUCTION 51408165 27/10/2017...
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Page 9: Table Of Contents
Contents INTRODUCTION Foreword - Important notice regarding equipment servicing ........3 Safety rules . -
Page 10: Foreword - Important Notice Regarding Equipment Servicing
In any case, no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and/or components not approved by the manufacturer. -
Page 11: Safety Rules
INTRODUCTION Safety rules Personal safety This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible death or injury. Throughout this manual you will find the signal words DANGER, WARNING, and CAUTION followed by special in- structions. -
Page 12: Safety Rules - General Information
Service parts Install CASE CONSTRUCTION genuine service parts. When placing an order, check the parts catalog. It contains the CASE CONSTRUCTION genuine part numbers. Any breakdowns arising from the installation of non-genuine parts are not covered by the warranty. Lubricants (fuel, hydraulic oil) Use the oil from the specified company or specified in the operator's manual or service Manual. -
Page 13: Safety Rules - Personal Safety
Check the operating methods in a safe location before starting the actual work. Understand the machine operations well, then operate in compliance with all service-related laws and regulations. The operator's manual can be purchased at your CASE CONSTRUCTION dealer. WARNING: Working with sloppy clothes or clothes with which safety cannot be ensured leads to damage to the machine and injury to the operator. - Page 14 INTRODUCTION WARNING: Check that there is no one in the surroundings before draining the pressure from hydraulic circuits during machine hydraulic cylinder inspection. WARNING: Use gloves when handling high-temperature parts. WARNING: Bring the lower parts or attachments in contact with the ground before inspecting or repairing them. WARNING: Check that hoses and tubes are securely connected.
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Page 15: Safety Rules - Cab Protective Structure
INTRODUCTION Safety rules - Cab protective structure Cab protective structure Modifying the cab main components is prohibited in order to protect the operator. Prohibited items • Modification that reduces the strength of the platform on which the protection structure cab is mounted. Activity and modification that reduces the function of the caulking anchor at left back of the cab. -
Page 16: Safety Rules - Ecology And The Environment
Improper disposal of batteries can contaminate the soil, groundwater, and waterways. CASE CONSTRUCTION strongly recommends that you return all used batteries to a CASE CONSTRUCTION dealer, who will dispose of the used batteries or recycle the used batteries properly. -
Page 17: Torque - Bolt And Nut
INTRODUCTION Torque - Bolt and nut • Tighten alternating between left and right and top and bottom so that uniform tightening force is applied. LPIL12CX00005EA • If L ® was used on a removed bolt (there is something white sticking to the bolt when it is removed), clean the OCTITE old L ®... -
Page 18: Torque - Special Torque Setting
INTRODUCTION Torque - Special torque setting Bolt nominal Retightening location Tightening torque Code Wrench diameter 901 – 1052 N·m (664.54 – 775.92 lb ft) Travel motor 36 mm Drive sprocket 901 – 1052 N·m (664.54 – 775.92 lb ft) 36 mm Take-up roller 30 mm 580 –... - Page 19 INTRODUCTION SMIL16CEX2719H 51408165 27/10/2017...
- Page 20 INTRODUCTION SMIL16CEX2720G 51408165 27/10/2017...
- Page 21 INTRODUCTION SMIL16CEX2721GA 51408165 27/10/2017...
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Page 22: Basic Instructions - Shop And Assembly
Only use CNH Original Parts or CASE CONSTRUCTION Original Parts. Only genuine spare parts guarantee the same quality, duration, and safety as original parts, as they are the same parts that are assembled during standard production. Only CNH Original Parts or CASE CONSTRUCTION Original Parts can offer this guarantee. - Page 23 W0111A Special tools The special tools that CASE CONSTRUCTION suggests and illustrate in this manual have been specifically re- searched and designed for use with CASE CONSTRUCTION machines. The special tools are essential for reliable repair operations. The special tools are accurately built and rigorously tested to offer efficient and long-lasting oper- ation.
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Page 24: Hydraulic Contamination
INTRODUCTION Hydraulic contamination Contamination in the hydraulic system is a major cause of the malfunction of hydraulic components. Contamination is any foreign material in the hydraulic oil. Contamination can enter the hydraulic system in several ways: • When you drain the oil or disconnect any line •...
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