1 Scope
This standard specifies the terms and definitions, safety requirements, test methods, maintenance, operation instructions and markings for petrol (diesel) engine-powered ride-on lawnmower under the direction control by an operator through a joystick or steering wheel (hereinafter named “ride-on lawnmower”).
This standard is applicable to ride-on rotary lawnmowers, and may serve as a reference for relevant parts of ride-on lawnmowers driven by internal combustion engines with other fuels.
This standard describes the measures to reduce or eliminate hazards during use.
The list of major hazards involved in this standard is detailed in Annex A.
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 3767-1996 Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane
GB/T 4269.1 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment - Symbols for operator controls and other displays - Part 1: Common symbols
GB/T 4269.2 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment - Symbols for operator controls and other displays - Part 2: Symbols for agricultural tractors and machinery
GB/T 4269.3 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment - Symbols for operator controls and other displays - Part 3: Symbols for powered lawn and garden equipment
GB/T 5395-2008 Forestry machinery - Vibration test code for portable hand-held machines with internal combustion engine - Vibration at the handles
GB/T 6235 Agricultural tractors - Operator's seating accommodation - Dimensions
GB/T 8591-2000 Earth-moving machinery - Seat index point
GB 10396 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment - Safety signs and hazard pictorials - General principles
GB/T 10910-2004 Agricultural wheeled tractors and field machinery - Measurement of whole-body vibration of the operator
GB/T 15706.2 Safety of machinery - Basic concepts general principles for design - Part 2: Technical principles
GB/T 17248.2-1999 Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Engineering method in an essentially free field over a reflecting plane
GB/T 17958 Requirements for vibration hazards reduction of hand-held machines at the workplace
GB/T 20448 Self-propelled forestry machinery - Roll-over protective structure - Laboratory tests and performance requirements
GB 23821-2009 Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs
GB 26509-2011 Garden machinery - Pedestrian-controlled lawnmower with a petrol (diesel) engine - Safety requirements and testing methods
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
lawnmower
lawn-cutting machine, where the cutting means operates in a plane which is basically parallel to the ground, and the height of the stubble left after cutting is determined by the height of wheels, air cushion, cutting means, etc.; it may be classified into rotary type, scissor type, cylinder (reel) type and rotary and flail type according to the type of cutting means
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Safety requirements and test methods
4.1 General structural members
4.2 Safeguards
4.3 Control mechanism
4.4 Roll-over protection structure (ROPS)
4.5 Electricity
4.6 Vibration
4.7 Noise
4.8 Stability
4.9 Brake
4.10 Cutting means stopping
4.11 Impact
4.12 Cutting means imbalance
4.13 Cutting means torque
4.14 Structural integrity of cutting means enclosure and guard
4.15 Structural integrity of grass catcher
4.16 Prevention of object throwing
4.17 Foot protection
4.18 Linear speed of cutting means
5 Maintenance
5.1 General requirements
5.2 Machine repair
6 Operation instructions
6.1 Assembly, operation and repair instructions
6.2 Safety instructions
6.3 Harmful emission value
6.4 Information of cutting means
7 Marking
7.1 General requirements
7.2 Requirements for control signs
7.3 Requirements for safety operation prompt signs
7.4 Requirements for hazard warning signs
Annex A (Normative) Lists of hazards
Annex B (Informative) Diagram of safety prompts
Annex C (Normative) Vibration test specification
Annex D (Normative) Noise test specification - engineering method (Grade 2 accuracy)
Bibliography
