ISO 11680-1:2021

Overview

ISO 11680-1:2021 - Machinery for forestry - Safety requirements and testing for pole-mounted powered pruners - Part 1: Machines fitted with an integral combustion engine - specifies safety requirements and verification methods for portable, hand‑held, pole‑mounted powered pruners driven by an integral combustion engine. The standard applies to extendable and telescopic machines that transmit power via a shaft to cutting attachments (saw‑chain and guide bar, reciprocating saw blade or a single‑piece circular saw blade up to 205 mm outside diameter). Brush cutters with circular saw blades are excluded (see ISO 11806-1:2021 for brush cutter requirements). Electric shock from overhead lines is also excluded except for required warnings in the instructions.

Key topics and technical requirements

ISO 11680-1:2021 covers comprehensive safety, testing and information-for-use requirements, including:

• General safety design principles and verification methods for design and construction.
• Protection against contact with power‑driven components and cutting attachments.
• Handles and harness design, ergonomic placement and strength verification.
• Cutting attachment requirements for saw‑chains, circular blades and reciprocating blades; strength and transport covers.
• Minimum clearances and distances to the cutting attachment to reduce injury risk.
• Engine controls: starting, stopping, throttle control, throttle latch and clutch requirements and tests.
• Fuel system integrity: fuel feed line strength, accessibility and tank structural requirements (with normative procedures in Annex B).
• Protection against hot parts, exhaust emissions and verification procedures (Annex C).
• Vibration and noise: design‑level reduction and measurement methods for operator exposure.
• Electromagnetic immunity, labeling, markings, warnings and instructions for safe working practices.
• Information and documentation: required technical data, instructions, warning labels and label durability tests.

Important normative content is supported by informative and normative annexes: Annex A lists significant hazards; Annex B and C provide verification procedures.

Practical applications

• Guides manufacturers in safe design, construction and verification of pole‑mounted powered pruners with combustion engines.
• Provides conformity and test criteria for product development, type testing and CE/market compliance.
• Helps safety engineers and test labs measure vibration, noise, fuel system integrity and protective guards.
• Informs the creation of user manuals, mandatory markings and warning labels to reduce foreseeable misuse risks.

Who should use this standard

• Forestry machinery manufacturers and OEMs designing pole‑mounted pruners
• Product safety and compliance engineers
• Test laboratories and certification bodies
• Technical regulators, procurement teams and safety officers in forestry operations
• Aftermarket accessory and harness designers

Related standards

• ISO 11806-1:2021 (brush cutter requirements) - referenced for machines outside this standard’s scope.

Keywords: ISO 11680-1:2021, pole-mounted powered pruners, forestry machinery safety, combustion engine pruners, saw‑chain safety, testing and verification, extendable pruners, telescopic pruners.