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GB 10395.8-2006 English PDF (GB10395.8-2006)

GB 10395.8-2006 English PDF (GB10395.8-2006)

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GB 10395.8-2006: Tractors and machinery for agriculture and forestry -- Technical means for ensuring safety -- Part 8: Irrigation pumps and machines

This Part of GB 10395 specifies the technical requirements for ensuring the safety of operators and other operators, during the normal operation, maintenance, use of irrigation pumps and machines. This Part is a supplement to GB 10395.1. This Part applies to all kinds of pumps and machines for irrigation. It does not apply to all kinds of pumps and machines for industrial operations.
GB 10395.8-2006
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 65.060.35
B 90
Replacing GB 10395.8-1999
Tractors and machinery for agriculture and forestry -
Technical means for ensuring safety - Part 8: Irrigation
pumps and machines
ISSUED ON: MARCH 29, 2006
IMPLEMENTED ON: NOVEMBER 01, 2006
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of PRC;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions... 6
4 Hazard list ... 6
5 General requirements ... 7
6 Electrical safety requirements ... 7
7 Machinery's safety requirements ... 11
8 Structural safety requirements ... 13
9 Signs ... 13
10 User manual ... 15
Tractors and machinery for agriculture and forestry -
Technical means for ensuring safety - Part 8: Irrigation
pumps and machines
1 Scope
This Part of GB 10395 specifies the technical requirements for ensuring the safety of operators and other operators, during the normal operation, maintenance, use of irrigation pumps and machines. This Part is a supplement to GB 10395.1. This Part applies to all kinds of pumps and machines for irrigation. It does not apply to all kinds of pumps and machines for industrial operations (hereinafter collectively referred to as machines).
2 Normative references
The provisions in following documents become the provisions of this Part of GB 10395, through reference in this Part. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Part; however, parties who reach an agreement based on this Part are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies.
GB 1971 Rotating electrical machines - Terminal markings and direction of rotation GB/T 4942.1 Degrees of protection provided by the integral design of rotating electrical machined (IP code) - Classification (GB/T 4942.1-2006, IEC 60034- 5:2000, IDT)
GB/T 9480 Tractors machinery for agriculture and forestry, powered lawn and garden equipment - Operators manuals - Content and presentation (GB/T 9480-2001, eqv ISO 3600:1996)
GB 10395.1 Tractors and machinery for agriculture and forestry - Technical means for ensuring safety - Part 1: General (GB 10395.1-2001, eqv ISO 4254-1:1989) GB 10396 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment - Safety signs and hazard pictorials - General principles (GB 10396-2006, ISO 11684:1995, MOD)
not exceed the leakage current limit, which is specified in the corresponding product standard, during normal operation.
6.4 Temperature rise
The temperature rise of the motor winding shall comply with the provisions of the corresponding product standards. The temperature rise of the parts, that the operator may touch, such as electrical pins, switches, power cords, operating parts, etc., shall comply with the provisions of the relevant standards, so as not to cause harm to the operator.
6.5 Moisture (water) resistance
The machine shall be able to withstand the wet conditions, which may occur in normal use. During the operation of the machine, for the electrical components, on which the transport liquid may be splashed, their electrical insulation shall not be affected by the splashing of liquid.
Machine parts, which have an appropriate waterproof rating, shall comply with the provisions of the corresponding product standards.
6.6 Insulation resistance and electric strength
The machine shall have sufficient insulation and electrical strength. Its requirements shall comply with the provisions of the corresponding product standards. 6.7 Overload protection
The machine shall be equipped with overload protection device. Under normal operating conditions, the overload protection device shall not operate. 6.8 Internal wiring
The internal wiring of the motor refers to the internal wiring, except the windings. They shall be fixed firmly and not allowed to be loose. Two or more wires, in the same direction, shall be bundled together.
Conductors shall not be placed on parts, which have sharp angles or sharp edges. They shall be effectively prevented from contact with moving parts. For the metal holes, through which the insulated conductors pass, the surface shall be smooth, rounded, or equipped with sleeves.
The internal wiring shall be well insulated; the outgoing wire shall meet the standard of outgoing wire.
Effective insulation measures shall be taken at the wire connection and fixed reliably. 6.9 Mains connection and external flexible cables and cords
The power connection and external flexible cables and cords shall comply with the relevant standards of the flexible cables and cords; they shall match the rated voltage and current of the motor.
The power connection and external flexible cables and cords shall be insulated, properly fixed, clamped, etc., to prevent dangerous accidents caused by tension, displacement, wear.
The connection method, between the flexible cable or the flexible wire and the machine, shall comply with the provisions of the corresponding standards.
6.10 Terminals for external conductors
Except for motors, which are equipped with power wires, plugs or sockets, all other motors shall be equipped with terminal blocks, for connection with screws, nuts or equivalent devices.
The screws or nuts, for clamping the outer conductors, shall comply with the relevant standards. When installing the power supply conductors, in order to keep the inner conductors from shifting, they shall not be used to fix any other components, except that they can be used to clamp the inner conductors.
The terminals shall be fixed reliably. When the clamping device is tightened or loosened, the terminals shall not be loosened; the internal wiring shall not be subjected to tension; the electrical clearance and creepage distance shall not be less than the specified values in 6.13.
Terminals shall be properly designed and installed, so that when clamping screws and nuts are tightened, there shall be sufficient contact pressure, to clamp the wires between the metal surfaces, without damaging them or falling off.
Stud terminals shall be provided with appropriate washers.
The metal material with thread, which is used to install the terminal screw, shall have a thickness of not less than 1.3 mm. Meanwhile, it shall have more than two turns of full thread.
Terminals shall not be touched, without the aids of tools.
6.11 Grounding device
The electric machine shall have a grounding device. The grounding device shall ensure a good electrical connection with the grounding wire, without damaging the wire and the terminal.
The metal base of such devices, as the motor base, switch, junction box, as well as all metal cable sheaths or conduits, shall be grounded OR connected to the metal parts of For the insulating materials for installing live parts, insulating parts between live parts of different polarities, insulating parts between live parts and non-live metal parts or grounded metal parts, insulating materials between commutators and brush covers, if they may be subject to tracking, THEN, it shall be made of the tracking-resistant materials, which have sufficient tracking resistance.
6.15 Anti-rust
If the corrosion of steel parts may cause fire, electric shock or injury to the machine, OR cause non-compliance with the requirements of this Part, they shall be painted, coated, electro-plated or take other measures, to make it have sufficient anti-rust ability. 7 Machinery's safety requirements
7.1 Stability
The pump and power machine shall have a base. The machine shall be placed or fixed stably, without support.
Mobile machines shall have sufficient stability. Under normal use, the machine shall be tilted 10?? to the most unfavorable direction AND shall not tip over.
7.2 Moving parts and power transmission parts
For the transmission gears, belts and pulleys, couplings, fans, fan wheels and other moving parts, which may cause danger during normal starting or operation of the machine, they shall be placed in a safe position OR protected by protective covers, protective shells or baffles or similar guards, to protect against accidental contact. Protective casings, shields and similar protective devices shall have sufficient mechanical strength AND be firmly fixed to the machine, so that they cannot be removed without tools. For protective devices, which are designed to be openable or movable, if there is danger after opening or moving, THEN, safety signs warning of danger shall be set on the protective device or near the danger, OR the protective device shall be designed as a linkage type (when such guards are opened or moved, the guarded moving parts stop running).
The protective device and the relevant safety distance requirements shall comply with the provisions of GB 10395.1.
7.3 Component structure
Under the conditions of not affecting the machine use, accessible parts of the machine shall be free from sharp edges, sharp corners, rough surfaces, protrusions, openings that could scratch the body or clothing, especially that the edges of the thin metal sheet shall be blunt, folded or trimmed; the open ends of the tubes, which may cause scratches, shall be wrapped.
7.4 Thermal protection device
Protective devices or baffles shall be installed, on the surface of the engine's exhaust components, which have an area greater than 10 cm2, AND on the surface of the machine greater than 80 ??C, when it is normally operated at the ambient temperature of 23 ??C ?? 3 ??C, to prevent accidental contact.
The thermal insulation device shall be firmly fixed AND not easy to remove. 7.5 Exhaust pipe outlet
The direction of the engine's exhaust pipe outlet shall avoid the operator who is in the operating position.
7.6 Engine controls
The engine control device shall comply with the requirements of the corresponding standards for engine products.
Electric starting devices shall be used for engines, which have rated power greater than 10 kW. The gasoline engine's rope starter shall be a permanent part of the machine. The engine shall have a suitable speed regulating device,
The engine shall have a stop device, which does not rely on the operator to exert continuous force. The stop position shall be clearly marked.
7.7 Fuel tank
The fuel tank's opening cover shall be firm. It shall not be loosened, due to vibration during engine operation.
The fuel tank shall be arranged in such a way, that the leaked or overflowed fuel shall not enter the engine, exhaust pipe, projection area of the exhaust port, electrical equipment. Appropriate protective measures shall be taken, if necessary. 7.8 Machine frame
For hand-lifting mobile machine, the whole machine shall be installed in a frame, which has sufficient strength. The frame shall be able to protect the machine, from damage from all sides. There shall be four handling handles. The handle shall be located above the center of gravity of the entire machine, to avoid any possibility of tipping, when the machine is being transported. When handling or in a non-working position, the handle shall be firmly locked.
Except for small machines and trolley units, which can be carried by one or two people, The regulating device or similar device shall have regulating direction signs, which indicate the increase or decrease of the characteristic value.
The signs, which are required by this Part, shall be legible and durable. The signs shall be on the main part. They shall be clearly visible from the outside (after opening the cover, if necessary), when the machine is installed and fixed in normal use. Switches, regulators, other controls shall be marked near these components. They shall not be marked on removable parts, if the replacement of these components would lead to misunderstanding.
9.2 Safety signs
For mechanical hazards, thermal hazards, electrical hazards, which cannot be eliminated or adequately limited by design and safety guards, THEN, operators and other personnel shall be alerted with appropriate safety signs, according to the severity of the hazard.
For example:
For electric pumps that need to be cleaned or repaired, AND that are in contact with live parts or running (moving) parts during repair or cleaning, there shall be a safety sign indicating the hazard level of "Caution", as well as a text description that "Remove plug, in order to prevent electric shock, before repairing or cleaning the electric pump?€? or ?€?To avoid injury, the engine shall be turned off, before maintenance or repairs are performed?€?.
For machines that can be started automatically, there shall be a safety sign indicating the hazard level of "Caution", as well as a text description that "The machine can be started automatically. In order to prevent electric shock, the service and maintenance can only be performed, when the power switch is locked in the 'off' position". For opening the control device of the machine, such as opening the control cabinet of the submersible electric pump for wells, if it may cause electric shock, there shall be a safety sign indicating the hazard level of "Dangerous", as well as a text description that "High voltage danger; in order to prevent electric shock, the control device can only be opened, when power switch is locked in the 'off' position".
Non-submersible pumps shall have a safety sign indicating the hazard level of "Caution", as well as a text description that "In order to prevent electric shock, the motor and electrical components shall be arranged, as far as possible from the water source". For a pump that can be used in a certain occasion but lacks sufficient evidence, there shall be a safety sign indicating the hazard level of "Warning", as well as a text description that "Danger of electric shock; this product has not been confirmed to be used in XXX occasions".

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