Ryobi PCN3840-RY74005D, PCN4545-RY74007D User Manual

OPERATOR’S MANUAL
PCN3840 - RY74005D - 406 mm (16 in.) 38cc Chainsaw
PCN4545 - RY74007D - 457 mm (18 in.) 45cc Chainsaw
Your new chainsaw has been engineered and manufactured to Ryobi’s high standard for dependability, ease of operation,
and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.
WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before
using this product.
Thank you for buying a Ryobi chainsaw.
SAVE THIS MANUAL FOR FUTURE REFERENCE

Ryobi PCN3840-RY74005D, PCN4545-RY74007D Specifications

General

Brand	Ryobi
Model	PCN3840-RY74005D, PCN4545-RY74007D
Category	Chainsaw
Language	English

Summary

General Safety Rules

Read and Understand Instructions

Know Your Tool and Hazards

Key Safe Operation Practices

Covers essential rules like two-handed operation, avoiding fatigue, and proper stance.

Specific Safety Rules

General Precautions

Proper Clothing and Protection

Details on wearing appropriate clothing, footwear, gloves, and eye/hearing protection.

Refuelling Safety

Specific instructions for refuelling to prevent fire hazards.

Cutting/Work Area Precautions

Kick-Back and Forces

Explains kick-back reaction and forces like push and pull during cutting.

Maintenance Precautions

Symbols

Understanding Safety Symbols

Specifications

Features

Operation

Chainsaw Safety Features

Explains safety devices like SAFE-T-TIP®, low kick-back chain, guide bars, and chain brake.

Fuel and Engine Operation

Covers fuel handling, mixing, refuelling, starting, stopping, and idling speed adjustment.

Cutting Preparation and Techniques

Guidance on proper clothing, grip, stance, basic procedures, work area precautions, and carburettor adjustment.

Tree Felling and Log Cutting

Maintenance

Bar and Chain Assembly & Tensioning

Chain Maintenance and Sharpening

Chain Brake and Safety Systems

Troubleshooting

Engine Will Not Start

Addresses issues related to the engine failing to start, including spark and flooding.

Engine Performance Issues

Chain Rotation and Temperature Problems