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GB/T 9139-2018   Earth-moving machinery - Hydraulic excavators - Technical specifications (English Version)
Standard No.: GB/T 9139-2018 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 3000 words Price(USD):140.0 remind me the price change

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Implemented on:2019-4-1 Delivery: via email in 1 business day
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Standard No.: GB/T 9139-2018
English Name: Earth-moving machinery - Hydraulic excavators - Technical specifications
Chinese Name: 土方机械 液压挖掘机 技术条件
Chinese Classification: P97    Architectural engineering construction machinery
Professional Classification: GB    National Standard
Issued by: SAMR; SAC
Issued on: 2018-09-17
Implemented on: 2019-4-1
Status: valid
Superseding:GB/T 9139-2008 Hydraulic excavators - Technical specifications
Language: English
File Format: PDF
Word Count: 3000 words
Price(USD): 140.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the contents of English translation, the Chinese original shall be considered authoritative. This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 9139-2008 Hydraulic Excavators — Technical Specifications. In addition to a number of editorial changes, the following technical deviations have been made with respect to the GB/T 9139-2008 (the previous edition). — Normative References is modified (see Clause 2; Clause 2 of Edition 2008); — Terms and Definitions is modified (see Clause 3; Clause 3 of Edition 2008); — The requirements of type are modified (see 4.1; 4.1 of Edition 2008); — The requirements of model are modified (see 4.2; 4.2 of Edition 2008); — The requirements of main parameters are modified (see 4.4; 4.4 of Edition 2008); — The general requirements and performance requriements are modified (see 5.1 and 5.2; 5.1 of Edition 2008); — The safety requirements are modified (see 5.3; 5.4 of Edition 2008); — The requirements of environmental protection and comfortability are modified (see 5.4; 5.2 and 5.3 of Edition 2008); — The requirements of delivery inspection and type inspection are modified (see 7.1; 7.1 of Edition 2008); — The requirements of product nameplate information are modified (see 8.1.2; 8.1.2 of Edition 2008); — Annex A is changed from normative to informative, and the main parameter list of excavator is modified (see Annex A; Annex A of Edition 2008); — Bibliography is added (see Bibliography). This standard was proposed by China Machinery Industry Federation. This standard was prepared by SAC/TC 334 (National Technical Committee 334 on Earth-moving Machinery of Standardization Administration of China). The previous editions of this standard are as follows: — GB/T 9139.1-1988; — GB 9139.2-1983, GB/T 9139.2-1996; — GB 9140-1988, GB/T 9140-1996; — GB/T 9139-2008. Earth-moving Machinery — Hydraulic Excavators — Technical Specifications 1 Scope This standard specifies the terms and definitions, classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage for hydraulic excavators. This standard is applicable to the tyred and crawler hydraulic excavators (hereinafter referred to as "excavators") with a mass of not more than 200 000 kg as specified in GB/T 8498. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3766 Hydraulic Fluid Power — General Rules and Safety Requirements for Systems and Their Components GB/T 6572 Earth-moving Machinery — Hydraulic Excavators — Terminology and Commercial Specifications GB/T 7586 Hydraulic Excavators — Test Methods GB/T 8419-2007 Earth-moving Machinery — Laboratory Evaluation of Operator Seat Vibration GB/T 8498 Earth-moving Machinery — Basic Type — Identification and Terms and Definitions GB/T 8499 Earth-moving Machinery — Method for Locating the Centre of Gravity GB/T 8595 Earth-moving Machinery — Operator's Controls GB/T 10913 Earth-moving Machinery — Determination of Ground Speed GB/T 13331 Earth-moving Machinery — Hydraulic Excavators — Lift Capacity GB/T 13332 Earth-moving Machinery — Hydraulic Excavators and Backhoe Loaders — Methods of Determining Tool Forces GB/T 14039-2002 Hydraulic Fluid Power — Fluids — Method for Coding the Level of Contamination by Solid Particles GB 16710 Earth-moving Machinery — Noise Limits GB/T 16937 Earth-moving Machinery — Operator's Field of View — Test Method and Performance Criteria GB/T 18826 1,1,1,2-Tetrafluoroethane (HFC-134a) for Industrial Use GB/T 19929 Earth-moving Machinery — Crawler Machines — Performance Requirements and Test Procedures for Braking Systems GB/T 19933.2 Earth-moving Machinery — Operator Enclosure Environment — Part 2: Air Filter Element Test Method GB/T 19933.4 Earth-moving Machinery — Operator Enclosure Environment — Part 4: Heating, Ventilation and Air Conditioning (HVAC) Test Method and Performance GB/T 19933.5 Earth-moving Machinery — Operator Enclosure Environment — Part 5: Windscreen Defrosting System Test Method GB/T 20082 Hydralic Fluid Power — Fluid Contamination-Determination of Particulate Contamination by the Counting Method Using An Optical Microscope GB 20178 Earth-moving Machinery — Machine Safety Labels — General Principles GB/T 20418 Earth-moving Machinery — Lighting, Signalling, and Marking Lights, and Reflex-reflector Devices GB 20891 Limits and Measurement Methods for Exhaust Pollutants from Diesel Engines of Non-road Mobile Machinery (China III, IV) GB/T 21152 Earth-moving Machinery — Braking Systems of Rubber-tyred Machines — Systems and Performance Requirements and Test Procedures GB/T 21154 Earth-moving Machinery — Methods of Measuring the Masses of Whole Machines with their Equipment and Components GB/T 21935 Earth-moving Machinery — Zones of Comfort and Reach for Controls GB/T 21941 Earth-moving Machinery — Volumetric Ratings for Hoe-type and Grab-type Buckets of Hydraulic Excavators and Backhoe Loaders GB/T 21942 Earth-moving Machinery — Loader and Front Loading Excavator Buckets — Volumetric Ratings GB/T 22358 Earth-moving Machinery — Preservation and Storage GB/T 25602 Earth-moving Machinery — Machine Availability — Vocabulary GB/T 25606 Earth-moving Machinery — Product Identification Numbering System GB/T 25608 Earth-moving Machinery — Performance Requirements for Non-metallic Fuel Tanks GB/T 25614 Earth-moving Machinery — Determination of Sound Power Level — Dynamic Test Conditions GB/T 25615 Earth-moving Machinery — Determination of Emission Sound Pressure Level at Operators Position — Dynamic Test Conditions GB/T 25624 Earth-moving Machinery — Operator Seat — Dimensions and Requirements GB 25684.5 Earth-moving Machinery — Safety — Part 5: Requirements for Hydraulic Excavators GB/T 25685.2 Earth-moving Machinery — Field of Vision of Surveillance and Rear-view Mirrors — Part 2: Performance Criteria GB/T 28239 Limits and Measurement Methods for Non-road Diesel Engine Specific Fuel Consumption and Specific Oil Consumption GB/T 30965 Earth-moving Machinery — Determination of Average Ground Contact Pressure for Crawler Machines GB/T 36693 Earth-moving Machinery — Hydraulic Excavator — Reliability Test Procedures, Failure Classification and Evaluation JB/T 5946 Engineering Machinery — General Technical Specifications for Paint Coating JB/T 5947 Engineering Machinery — General Technical Specifications for Packaging JB/T 9725 Earth-moving Machinery — Method of Type Designation ISO 11500 Hydraulic Fluid Power — Determination of the Particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle 3 Terms and Definitions For the purposes of this document, the terms and definitions given in GB/T 6572 and GB/T 25602 and the following apply. 4 Classification 4.1 Type Classification according to travel mode: — Crawler excavator; — Tyred excavator; — Walking excavator. 4.2 Model The product model of excavators shall be in accordance with JB/T 9725 or at the manufacturer's discretion. 4.3 Principal parameters The operating mass is taken as the principal parameter of excavators. 4.4 Main parameters See Annex A for the list of the main parameters of excavators. 5 Requirements 5.1 General requirements 5.1.1 Operator's manual of excavators is prepared in accordance with GB/T 25622. 5.1.2 Excavators shall be able to operate normally under ambient conditions with an ambient temperature of -15℃ to +40℃ and an altitude of not more than 2000 m. 5.1.3 The appearance painting quality of excavators shall be in accordance with the requirements of JB/T 5946. 5.1.4 Control devices of excavators shall meet the requirements of GB/T 8595. 5.1.5 The fuel tank capacity of excavators with operating mass greater than 6000 kg shall ensure that the complete machine could be operated normally and continuously for more than 10 h. 5.2 Performance requirements 5.2.1 As for the hydraulic system of excavators, the pollution grade of the solid particles in the oil liquid shall not exceed -/18/15 (which are specified in GB/T 14039-2002). 5.2.2 When the excavators are subjected to the test conditions specified in GB/T 7586, the displacement of the hydraulic cylinder piston rod of excavator boom caused by the leakage in the system shall not be greater than 25 mm/10 min. 5.2.3 When the new machine is shipped from the factory, there shall be no leakage. 5.2.4 The gradeability of tyred excavator shall not be less than 35% and that of the crawler excavator shall not be less than 50%. 5.2.5 The straight deviation of a crawler excavator running in straight line shall not be greater than 5% of the measured distance. 5.2.6 Under the conditions specified in GB/T 36693, the reliability of excavators shall meet the following requirements: — The mean time between failure (MTBF) of excavators with operating mass of 6000 kg or less shall not be less than 300h, and the MTBF of excavators with operating mass above 6000kg shall not be less than 600h; — The operational availability shall not be less than 90%. 5.3 Safety requirements 5.3.1 The excavators shall be provided with safety labels complying with those specified in GB 20178. 5.3.2 The operator's field of view shall meet the requirements of GB/T 16937. The excavators can be equipped with corresponding auxiliary equipment (for example, rearview mirrors, monitoring devices, etc.) to supplement the direct field of view. The field of view of the rearview mirror and monitoring device shall meet the requirements of GB/T 25685.2. 5.3.3 The front window of the operator's cab shall be equipped with a wiper and a cleaner. 5.3.4 Electrical control system shall be equipped with foolproof overload protective device. 5.3.5 The excavators shall meet the requirements of the applicable mandatory provisions of GB 25684.5. 5.3.6 The excavators should meet the requirements of the applicable recommendatory provisions of GB 25684.5.
Foreword II 1 Scope 2 Normative References 3 Terms and Definitions 4 Classification 6 Test Methods 7 Inspection Rules Annex A (Informative) Main Parameters of Excavator Bibliography
Referred in GB/T 9139-2018:
*GB/T 3766-2015 Hydraulic fluid power―General rules and safety requirements for systems and their components
*GB/T 6572-2014 Earth-moving machinery―Hydraulic excavators―Terminology and commercial specifications
*GB/T 7586-2018 Earth-moving machinery—Hydraulic excavators—Test methods
*GB/T 8419-2007 Earth-moving machinery—Laboratory evaluation of operator seat vibration
*GB/T 8498-2017 Earth-moving machinery-Basic types-Identification and terms and definitions
*GB/T 8499-1987 Earth-moving machinery method for locating the centre of gravity
*GB/T 8595-2008 Earth-moving machinery - Operators controls
*GB/T 10913-2005 Steel roller chains, types S and C, attachments and sprockets
*GB/T 13331-2014 Earth-moving machinery-Hydraulic excavators-Lift capacity
*GB/T 13332-2008 Earth-moving machinery - Hydraulic excavators and backhoe loaders - Methods of determining tool forces
*GB/T 14039-2002 Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
*GB 16710-2010 Earth-moving machinery - Noise limits
*GB/T 16937-2020 Earth-moving machinery—Operator’s field of view—Test method and performance criteria
*GB/T 18826-2016 1,1,1,2-Tetrafluoroethane(HFC-134a)for industrial use
*GB/T 19929-2014 Earth-moving machinery―Crawler machines―Performance requirements and test procedures for braking systems
*GB/T 19933.2-2014 Earth-moving machinery―Operator enclosure environment―Part 2:Air filter element test method
*GB/T 19933.4-2014 Earth-moving machinery―Operator enclosure environment―Part 4:Heating, ventilation and air conditioning(HVAC) test method and performance
*GB/T 19933.5-2014 Earth-moving machinery―Operator enclosure environment―Part 5:Windscreen defrosting system test method
*GB/T 20082-2006 Hydralic fluid power-Fluid contamination - Determination of particulate contamination by the counting method using an optical microscope
*GB 20178-2014 Earth-moving machinery―Machine safety labels―General principles
*GB/T 20418-2011 Earth-moving machinery - Lighting signalling and marking lights and reflex-reflector devices
*GB 20891-2014 Limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery(CHINA Ⅲ,Ⅳ)
*GB/T 21152-2018 Earth-moving machinery—Wheeled or high-speed rubber-tracked machines—Performance requirements and test procedures for brake systems
*GB/T 21154-2014 Earth-moving machinery―Methods of measuring the masses of whole machines, their equipment and components
*GB/T 21935-2008 Earth-moving machinery - Zones of comfort and reach for controls
*GB/T 21941-2008 Earth-moving machinery - Volumetric ratings for hoe-type and grab-type buckets of hydraulic excavators and backhoe loaders
*GB/T 21942-2008 Earth-moving machinery - Loader and front loading excavator buckets - Volumetric ratings
*GB/T 22358-2008 Earth-moving machinery - Preservation and storage
*GB/T 25602-2010 Earth-moving machinery—Machine availability—Vocabulary
*GB/T 25606-2010/XG1-2018 Earth-moving machinery - Product identification numbering system, includes Amedment 1
*GB/T 25608-2017 Earth-moving machinery-Performance requirements for non-metallic fuel tanks
*GB/T 25614-2010 Earth-moving machinery—Determination of sound power level—Dynamic test conditions
*GB/T 25615-2010 Earth-moving machinery—Determination of emission sound pressure level at operators position—Dynamic test conditions
*GB/T 25624-2010 Earth-moving machinery—Operators seat—Dimensions and requirements
*GB 25684.5-2010 Earth-moving machinery - Safety - Part 5: Requirements for hydraulic excavators
*GB/T 25685.2-2010 Earth-moving machinery - Field of vision of surveillance and rear-view mirrors - Part 2: Performance criteria
*GB/T 28239-2020 Limits and measurement methods for non-road diesel engine specific fuel consumption
*GB/T 30965-2014 Earth-moving machinery―Determination of average ground contact pressure for crawler machines.
*GB/T 36693-2018 Earth-moving machinery—Hydraulic excavator—Reliability test procedures,failure classification and evaluation
*JB/T 5946-2018 Construction machinery-General technical specifications for painting
*JB/T 5947-2018
*JB/T 9725-2014 Earthing-moving Machinery - Method of Type Designation
GB/T 9139-2018 is referred in:
*JB/T 14453-2024 Earth-moving machinery - Electric hydraulic excavators with external power supply device -Technical specifications
*JB/T 14454-2024 Earth-moving machinery - Electric hydraulic excavators with external power supply device - Test methods
Code of China
Standard
GB/T 9139-2018  Earth-moving machinery - Hydraulic excavators - Technical specifications (English Version)
Standard No.GB/T 9139-2018
Statusvalid
LanguageEnglish
File FormatPDF
Word Count3000 words
Price(USD)140.0
Implemented on2019-4-1
Deliveryvia email in 1 business day
Detail of GB/T 9139-2018
Standard No.
GB/T 9139-2018
English Name
Earth-moving machinery - Hydraulic excavators - Technical specifications
Chinese Name
土方机械 液压挖掘机 技术条件
Chinese Classification
P97
Professional Classification
GB
ICS Classification
Issued by
SAMR; SAC
Issued on
2018-09-17
Implemented on
2019-4-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
GB/T 9139-2008 Hydraulic excavators - Technical specifications
Language
English
File Format
PDF
Word Count
3000 words
Price(USD)
140.0
Keywords
GB/T 9139-2018, GB 9139-2018, GBT 9139-2018, GB/T9139-2018, GB/T 9139, GB/T9139, GB9139-2018, GB 9139, GB9139, GBT9139-2018, GBT 9139, GBT9139
Introduction of GB/T 9139-2018
Codeofchina.com is in charge of this English translation. In case of any doubt about the contents of English translation, the Chinese original shall be considered authoritative. This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 9139-2008 Hydraulic Excavators — Technical Specifications. In addition to a number of editorial changes, the following technical deviations have been made with respect to the GB/T 9139-2008 (the previous edition). — Normative References is modified (see Clause 2; Clause 2 of Edition 2008); — Terms and Definitions is modified (see Clause 3; Clause 3 of Edition 2008); — The requirements of type are modified (see 4.1; 4.1 of Edition 2008); — The requirements of model are modified (see 4.2; 4.2 of Edition 2008); — The requirements of main parameters are modified (see 4.4; 4.4 of Edition 2008); — The general requirements and performance requriements are modified (see 5.1 and 5.2; 5.1 of Edition 2008); — The safety requirements are modified (see 5.3; 5.4 of Edition 2008); — The requirements of environmental protection and comfortability are modified (see 5.4; 5.2 and 5.3 of Edition 2008); — The requirements of delivery inspection and type inspection are modified (see 7.1; 7.1 of Edition 2008); — The requirements of product nameplate information are modified (see 8.1.2; 8.1.2 of Edition 2008); — Annex A is changed from normative to informative, and the main parameter list of excavator is modified (see Annex A; Annex A of Edition 2008); — Bibliography is added (see Bibliography). This standard was proposed by China Machinery Industry Federation. This standard was prepared by SAC/TC 334 (National Technical Committee 334 on Earth-moving Machinery of Standardization Administration of China). The previous editions of this standard are as follows: — GB/T 9139.1-1988; — GB 9139.2-1983, GB/T 9139.2-1996; — GB 9140-1988, GB/T 9140-1996; — GB/T 9139-2008. Earth-moving Machinery — Hydraulic Excavators — Technical Specifications 1 Scope This standard specifies the terms and definitions, classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage for hydraulic excavators. This standard is applicable to the tyred and crawler hydraulic excavators (hereinafter referred to as "excavators") with a mass of not more than 200 000 kg as specified in GB/T 8498. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3766 Hydraulic Fluid Power — General Rules and Safety Requirements for Systems and Their Components GB/T 6572 Earth-moving Machinery — Hydraulic Excavators — Terminology and Commercial Specifications GB/T 7586 Hydraulic Excavators — Test Methods GB/T 8419-2007 Earth-moving Machinery — Laboratory Evaluation of Operator Seat Vibration GB/T 8498 Earth-moving Machinery — Basic Type — Identification and Terms and Definitions GB/T 8499 Earth-moving Machinery — Method for Locating the Centre of Gravity GB/T 8595 Earth-moving Machinery — Operator's Controls GB/T 10913 Earth-moving Machinery — Determination of Ground Speed GB/T 13331 Earth-moving Machinery — Hydraulic Excavators — Lift Capacity GB/T 13332 Earth-moving Machinery — Hydraulic Excavators and Backhoe Loaders — Methods of Determining Tool Forces GB/T 14039-2002 Hydraulic Fluid Power — Fluids — Method for Coding the Level of Contamination by Solid Particles GB 16710 Earth-moving Machinery — Noise Limits GB/T 16937 Earth-moving Machinery — Operator's Field of View — Test Method and Performance Criteria GB/T 18826 1,1,1,2-Tetrafluoroethane (HFC-134a) for Industrial Use GB/T 19929 Earth-moving Machinery — Crawler Machines — Performance Requirements and Test Procedures for Braking Systems GB/T 19933.2 Earth-moving Machinery — Operator Enclosure Environment — Part 2: Air Filter Element Test Method GB/T 19933.4 Earth-moving Machinery — Operator Enclosure Environment — Part 4: Heating, Ventilation and Air Conditioning (HVAC) Test Method and Performance GB/T 19933.5 Earth-moving Machinery — Operator Enclosure Environment — Part 5: Windscreen Defrosting System Test Method GB/T 20082 Hydralic Fluid Power — Fluid Contamination-Determination of Particulate Contamination by the Counting Method Using An Optical Microscope GB 20178 Earth-moving Machinery — Machine Safety Labels — General Principles GB/T 20418 Earth-moving Machinery — Lighting, Signalling, and Marking Lights, and Reflex-reflector Devices GB 20891 Limits and Measurement Methods for Exhaust Pollutants from Diesel Engines of Non-road Mobile Machinery (China III, IV) GB/T 21152 Earth-moving Machinery — Braking Systems of Rubber-tyred Machines — Systems and Performance Requirements and Test Procedures GB/T 21154 Earth-moving Machinery — Methods of Measuring the Masses of Whole Machines with their Equipment and Components GB/T 21935 Earth-moving Machinery — Zones of Comfort and Reach for Controls GB/T 21941 Earth-moving Machinery — Volumetric Ratings for Hoe-type and Grab-type Buckets of Hydraulic Excavators and Backhoe Loaders GB/T 21942 Earth-moving Machinery — Loader and Front Loading Excavator Buckets — Volumetric Ratings GB/T 22358 Earth-moving Machinery — Preservation and Storage GB/T 25602 Earth-moving Machinery — Machine Availability — Vocabulary GB/T 25606 Earth-moving Machinery — Product Identification Numbering System GB/T 25608 Earth-moving Machinery — Performance Requirements for Non-metallic Fuel Tanks GB/T 25614 Earth-moving Machinery — Determination of Sound Power Level — Dynamic Test Conditions GB/T 25615 Earth-moving Machinery — Determination of Emission Sound Pressure Level at Operators Position — Dynamic Test Conditions GB/T 25624 Earth-moving Machinery — Operator Seat — Dimensions and Requirements GB 25684.5 Earth-moving Machinery — Safety — Part 5: Requirements for Hydraulic Excavators GB/T 25685.2 Earth-moving Machinery — Field of Vision of Surveillance and Rear-view Mirrors — Part 2: Performance Criteria GB/T 28239 Limits and Measurement Methods for Non-road Diesel Engine Specific Fuel Consumption and Specific Oil Consumption GB/T 30965 Earth-moving Machinery — Determination of Average Ground Contact Pressure for Crawler Machines GB/T 36693 Earth-moving Machinery — Hydraulic Excavator — Reliability Test Procedures, Failure Classification and Evaluation JB/T 5946 Engineering Machinery — General Technical Specifications for Paint Coating JB/T 5947 Engineering Machinery — General Technical Specifications for Packaging JB/T 9725 Earth-moving Machinery — Method of Type Designation ISO 11500 Hydraulic Fluid Power — Determination of the Particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle 3 Terms and Definitions For the purposes of this document, the terms and definitions given in GB/T 6572 and GB/T 25602 and the following apply. 4 Classification 4.1 Type Classification according to travel mode: — Crawler excavator; — Tyred excavator; — Walking excavator. 4.2 Model The product model of excavators shall be in accordance with JB/T 9725 or at the manufacturer's discretion. 4.3 Principal parameters The operating mass is taken as the principal parameter of excavators. 4.4 Main parameters See Annex A for the list of the main parameters of excavators. 5 Requirements 5.1 General requirements 5.1.1 Operator's manual of excavators is prepared in accordance with GB/T 25622. 5.1.2 Excavators shall be able to operate normally under ambient conditions with an ambient temperature of -15℃ to +40℃ and an altitude of not more than 2000 m. 5.1.3 The appearance painting quality of excavators shall be in accordance with the requirements of JB/T 5946. 5.1.4 Control devices of excavators shall meet the requirements of GB/T 8595. 5.1.5 The fuel tank capacity of excavators with operating mass greater than 6000 kg shall ensure that the complete machine could be operated normally and continuously for more than 10 h. 5.2 Performance requirements 5.2.1 As for the hydraulic system of excavators, the pollution grade of the solid particles in the oil liquid shall not exceed -/18/15 (which are specified in GB/T 14039-2002). 5.2.2 When the excavators are subjected to the test conditions specified in GB/T 7586, the displacement of the hydraulic cylinder piston rod of excavator boom caused by the leakage in the system shall not be greater than 25 mm/10 min. 5.2.3 When the new machine is shipped from the factory, there shall be no leakage. 5.2.4 The gradeability of tyred excavator shall not be less than 35% and that of the crawler excavator shall not be less than 50%. 5.2.5 The straight deviation of a crawler excavator running in straight line shall not be greater than 5% of the measured distance. 5.2.6 Under the conditions specified in GB/T 36693, the reliability of excavators shall meet the following requirements: — The mean time between failure (MTBF) of excavators with operating mass of 6000 kg or less shall not be less than 300h, and the MTBF of excavators with operating mass above 6000kg shall not be less than 600h; — The operational availability shall not be less than 90%. 5.3 Safety requirements 5.3.1 The excavators shall be provided with safety labels complying with those specified in GB 20178. 5.3.2 The operator's field of view shall meet the requirements of GB/T 16937. The excavators can be equipped with corresponding auxiliary equipment (for example, rearview mirrors, monitoring devices, etc.) to supplement the direct field of view. The field of view of the rearview mirror and monitoring device shall meet the requirements of GB/T 25685.2. 5.3.3 The front window of the operator's cab shall be equipped with a wiper and a cleaner. 5.3.4 Electrical control system shall be equipped with foolproof overload protective device. 5.3.5 The excavators shall meet the requirements of the applicable mandatory provisions of GB 25684.5. 5.3.6 The excavators should meet the requirements of the applicable recommendatory provisions of GB 25684.5.
Contents of GB/T 9139-2018
Foreword II 1 Scope 2 Normative References 3 Terms and Definitions 4 Classification 6 Test Methods 7 Inspection Rules Annex A (Informative) Main Parameters of Excavator Bibliography
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Keywords:
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