Case CX57C Service Manual

Mini excavator

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CX57C

Mini Excavator

SERVICE MANUAL

Part number 51452080

English

March 2018

Table of Contents

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Summary of Contents for Case CX57C

Page 2 SERVICE MANUAL CX57C Cab - Tier IV final engine 51452080 20/06/2018...
Page 3 Contents INTRODUCTION Engine..................10 [10.001] Engine and crankcase ............. 10.1 [10.106] Valve drive and gears .
Page 4 [35.736] Boom hydraulic system ............35.11 [35.737] Dipper hydraulic system.
Page 5 Thanks very much for your reading, Want to get more information, Please click here, Then get the complete manual NOTE: If there is no response to click on the link above, please download the PDF document first, and then click on it. Have any questions please write to me: admin@servicemanualperfect.com...
Page 6 [55.014] Engine intake and exhaust system..........55.9 [55.012] Engine cooling system .
Page 7 INTRODUCTION 51452080 20/06/2018...
Page 8: Table Of Contents
Contents INTRODUCTION Foreword - Important notice regarding equipment servicing ........3 Safety rules .
Page 9: 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 10: 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 11: 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 12: Safety Rules - Personal Safety
INTRODUCTION Safety rules - Personal safety Preliminary warnings to maintenance operation WARNING Avoid injury! Shut off the engine, remove the key, and make sure all machine motion stops before you service the machine. Failure to comply could result in death or serious injury. W1128B WARNING Improper operation or service of this machine can result in an accident.
Page 13 INTRODUCTION WARNING Tip-over hazard! Only raise the track as little as necessary. Failure to comply could result in death or serious injury. W0276A Hydraulic system WARNING Burn hazard! Before performing any service on the hydraulic system, you must allow it to cool. Hydraulic fluid temperature should not exceed 40 °C (104 °F).
Page 14 INTRODUCTION WARNING Burn hazard! Hot coolant can spray and scald if you remove the radiator or deaeration tank cap while the system is hot. To remove the cap: allow the system to cool, turn the cap to the first notch, and wait for all pressure to release.
Page 15: 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 16: Torque - Standard Torque Settings
INTRODUCTION Torque - Standard torque settings BOLT AND NUT Use following table for unspecified torque. Coarse thread Bolt size 10 t M6 x 1.0 1.15 – 1.69 N·m (0.85 – 1.25 lb ft) 1.55 – 2.36 N·m (1.14 – 1.74 lb ft) M8 x 1.25 2.71 –...
Page 17 INTRODUCTION Fitting Thread size Width across flat Torque 19 mm (0.75 in) 39.18 N·m (28.90 lb ft) 1/4" 22 mm (0.87 in) 49.08 N·m (36.20 lb ft) 3/8" 1/2" 27 mm (1.06 in) 93.14 N·m (68.70 lb ft) 3/4" 36 mm (1.42 in) 176.26 N·m (130.00 lb ft) 1"...
Page 18: Torque - Special Torque Settings
INTRODUCTION Torque - Special torque settings Component Bolt size Tightening torque Engine mounting bolt Engine 58.0 – 77.6 N·m (42.8 – 57.2 lb ft) M10 × 1.5 (engine-bracket) Engine mounting bolt 220.9 – 269.9 N·m (162.9 – 199.1 lb ft) M16 ×...
Page 19: 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 20 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.
Page 21: Machine Specifications
INTRODUCTION Machine specifications Engine Model Yanmar 4TNV98C Type 4-cycle diesel engine, low emission Cooling method Water cooling Number of cylinders and arrangement 4 cylinders, in-line Firing order 1 - 3 - 4 - 2 Combustion chamber type Direct injection type Cylinder bore x stroke 98 mm (3.86 in) x 110 mm (4.33 in) Piston displacement...
Page 22 INTRODUCTION Swing motor Type Fixed displacement axial piston motor Capacity 32.3 cm³/rev (2.0 in³/rev) Relief pressure 21581 kPa (3130 psi) Braking system Automatic, spring applied hydraulic released Braking torque 137.34 N·m (101.30 lb ft) Brake release pressure 1958 – 3930 kPa (284 – 570 psi) Reduction gear type 2 - stage planetary Travel motor...

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