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Wemars WS-ST25G - User Manual

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WS-ST25G
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Summary

Introduction

Product Description

Details about the grass trimmer with a combustion engine and its ongoing development for safety and efficiency.

Intended Use

Specifies the product's use for grass trimming and clearing, advising compliance with local regulations.

Tools and Accessories

Tools and Parts List

Lists essential tools and parts included with the product for assembly and maintenance.

Product Symbols Explained

Explains warning symbols, PPE requirements, operational indicators like choke and fuel, and safety distances.

Product Liability Statement

Outlines conditions under which the manufacturer is not liable for product damages or injuries.

Safety

Safety Definitions and Warnings

Defines warning terms (WARNING, CAUTION, Note) and provides crucial safety instructions for product operation.

Operational Safety Guidelines

Details safe operating practices, including avoiding fatigue, bad weather, and maintaining a safe distance from others.

Personal Protective Equipment (PPE)

Head, Hearing, and Eye Protection

Recommends helmets, hearing protection, and approved eye protection (goggles/visor) for safety.

Gloves and Protective Clothing

Advises on wearing protective gloves and durable clothing to prevent injuries and entanglement.

Additional PPE and Safety Checks

Protective Footwear and First Aid

Emphasizes protective boots, securing hair, and keeping first aid readily available.

Safety Device Checks

Guides checking the throttle trigger lockout, stop switch, and cutting attachment guard for safety.

Maintenance Safety

Muffler and Maintenance Safety

Covers muffler checks and general safety instructions before performing maintenance tasks.

Assembly Procedures

Front Handle Assembly

Step-by-step instructions for attaching the front handle to the main shaft using provided hardware.

Cutting Attachment Guard and Trimmer Head Assembly

Guides the installation of the cutting attachment guard and the trimmer head onto the shaft.

Shaft and Harness Assembly

Blade Head and Trimmer Head Attachment

Instructions for attaching the 3-tooth blade head and the trimmer head to the drive shaft.

Two-Piece Shaft and Harness Wearing

Explains connecting the shaft and wearing the shoulder harness correctly.

Harness Attachment and Release

Attaching Harness Hook

Details how to connect the harness buckle to the trimmer's hook for secure attachment.

Emergency Harness Release

Explains the emergency release mechanism of the harness via a red tag.

Operation: Fuel and Mixing

Fuel Handling and Mixing

Covers fuel type, octane rating, and the correct procedure for mixing gasoline and two-stroke oil.

Two-stroke Oil Precautions

Warns against using four-stroke engine oil and emphasizes oil quality for product longevity.

Operation: Starting Engine

Filling the Fuel Tank

Instructions for safely filling the fuel tank, including cleaning the area and moving away before starting.

Cold Engine Start Procedure

Step-by-step guide for starting a cold engine, including switch, primer, choke, and starter rope usage.

Operation: Engine Management

Final Start and Operation Steps

Covers the final starter rope pulls, throttle operation, and ensuring smooth engine running.

Warm Engine Start Procedure

Details the simplified steps for starting an engine that is already warm.

Stopping the Engine

Simple instruction to stop the engine by moving the switch to the stop position.

Operating Surface and Trimming

Surface Safety and Trimming Techniques

Covers surface warnings, trimming grass, and sweeping cut grass using proper techniques.

Cutting Grass Method

Details how to cut grass effectively by keeping the line parallel to the ground and using a side-to-side motion.

Maintenance Tasks

Routine Cleaning and Checks

Covers cleaning external surfaces, checking safety features, filters, guards, starter, and cables.

Component Inspection and Lubrication

Details checks for spark plug, bevel gear greasing, and fuel system components.

Specific Component Replacements

Covers replacement of spark plugs, clutch parts, and clutch drums, advising professional service.

Adjustment and Component Maintenance

Idle Speed Adjustment

Instructions on adjusting the idle speed screw and ensuring the cutting attachment stops at idle.

Spark Plug Electrode Gap

Guidance on checking and adjusting the spark plug electrode gap for optimal engine performance.

Air Filter and Trimmer Head Maintenance

Details on cleaning/replacing air filter and maintaining the trimmer head.

Troubleshooting

Engine Not Starting Issues

Diagnoses common causes and solutions for when the engine fails to start, including fuel and spark plug checks.

Engine Stalling Issues

Addresses problems where the engine starts but then stops, focusing on fuel and air filter checks.

Trimmer Head Line Loading

Head Preparation and Line Loading

Details steps for disassembling the head, preparing the line, and loading it into the spool.

Line Trimming and Reassembly

Covers trimming the loaded line to the correct length and reassembling the trimmer head.

Final Use of Loaded Trimmer Head

Ensures the user understands how to use the trimmer head after loading new line.

Wemars WS-ST25G Specifications

General IconGeneral
Displacement25.4 cc
Power0.75 kW
Power Output1.0 HP
Fuel Tank Capacity0.6 L
Cutting Width255 mm
Weight5.5 kg
Starter SystemRecoil
Handle TypeLoop Handle
Engine Type2-Stroke

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