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Allpa AISI 316 Stainless Steel Rope Cutter for Yanmar SD20 and SD31 Saildrives with Anode
The Allpa AISI 316 Stainless Steel Rope Cutter is a marine propeller accessory designed specifically for Yanmar SD20 and SD31 Saildrive propulsion systems. It features a circular cutting blade with a serrated outer edge, intended to cut ropes and lines that may become entangled around the propeller during operation.
Manufactured from stainless steel 316, the rope cutter is supplied as a set with a matching anode adapted to provide sufficient installation clearance.
Important: This rope cutter is not suitable for Flex-O-Fold propellers.
Key Features
- AISI 316 stainless steel: Rope cutter manufactured from stainless steel 316.
- Yanmar Saildrive compatibility: Designed for Yanmar SD20 and SD31.
- Serrated cutting blade: Circular cutting edge for cutting ropes and lines around the propeller hub.
- Matching anode included: Supplied with an adapted anode for the rope cutter installation.
- Propeller hub mounting: Requires three drilled and tapped mounting holes.
- Drilling template: Included to assist with positioning the mounting holes.
- Installation instructions: Supplied with the product.
- Propeller restriction: Not compatible with Flex-O-Fold propellers.
Technical Specifications
Parameter Specification Brand Allpa Article Number 22.40039023 Product Type Saildrive Rope Cutter Set Material AISI 316 Stainless Steel Application Marine Saildrive Propeller Systems Compatible Saildrive Brand Yanmar Compatible Saildrive Models SD20 / SD31 Cutting Blade Design Circular Serrated Edge Mounting Location Propeller Hub Mounting Preparation Three Drilled and Tapped Holes Anode Included Yes Anode Article Number 22.400390921 Drilling Template Included Installation Instructions Included Flex-O-Fold Propellers Not Compatible
Yanmar SD20 and SD31 Compatibility
The rope cutter is designed for the following Saildrive models:
- Yanmar SD20
- Yanmar SD31
Both Saildrive models use the same rope cutter set, article 22.40039023.
Compatibility restriction: The rope cutter is not suitable for Flex-O-Fold propellers.
AISI 316 Stainless Steel Cutting Blade
The rope cutter is manufactured from AISI 316 stainless steel and features a circular blade with cutting teeth around its circumference.
It is designed to cut ropes and lines that become entangled around the rotating propeller assembly.
Matching Anode Included
The rope cutter set includes an adapted anode for the Yanmar SD20 and SD31 Saildrive installation.
The adapted anode replaces the existing configuration to provide the space necessary for fitting the rope cutter.
Anode Article Number: 22.400390921.
Installation on the Propeller Hub
Installation requires three mounting holes to be drilled and tapped into the Saildrive propeller hub.
A drilling template is supplied to assist with positioning the mounting holes, together with installation instructions.
Follow the supplied instructions when installing the rope cutter and the adapted anode.
Selection and Compatibility
The Allpa 22.40039023 rope cutter set is intended for Yanmar SD20 and SD31 Saildrive systems.
- Compatible Saildrives: Yanmar SD20 and SD31.
- Rope Cutter: AISI 316 stainless steel.
- Included Anode: 22.400390921.
- Excluded Propeller Type: Flex-O-Fold.
Before ordering, verify the Saildrive model and propeller type. The rope cutter must not be installed on a Flex-O-Fold propeller configuration.
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