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Zenoah G3800 - User Manual

Zenoah G3800
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G3800
G3800
OWNER’S MANUAL
CHAIN SAWS
G
B
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Summary

Explanation of Symbols and Safety Warnings

Hearing Damage Warning

Warning regarding potential hearing damage from noise exposure exceeding 85 dB(A).

For Safe Operation

Explanation of Symbols on the Machine

Fuel Cap Symbol

Identifies the port for refueling with "MIX GASOLINE".

Chain Oil Cap Symbol

Identifies the port for topping up chain oil.

Stop Switch Symbol

Indicates the "O" position to immediately stop the engine.

Engine Starting Symbols

Symbols and positions for starting the engine (warm/cold).

Carburetor Adjustment Screws

Symbols (H, L, T) for high-speed, slow-speed, and idle adjustment screws.

Chain Brake Indicator

Shows directions for chain brake release (white arrow) and activation (black arrow).

Chain Oil Flow Adjustment

Indicates adjustment for chain oil flow from MIN to MAX.

Installing Guide Bar and Saw Chain

Fuel and Chain Oil

Fuel Handling and Safety

Precautions for handling flammable gasoline, including fueling procedures.

Recommended Fuel Mixing Ratio

Specifies the correct ratio for gasoline and two-cycle oil (50:1).

How to Mix Fuel

Step-by-step guide for properly mixing gasoline and oil.

Fueling the Unit

Instructions for safely refueling the chainsaw's fuel tank.

Engine Fuel Avoidances

Lists fuels and practices to avoid for engine longevity and proper function.

Chain Oil Specifications

Recommends motor oil type (SAE #10W-30, #30, #40) for the chain.

Operating the Engine

Starting the Engine

Detailed steps for starting the chainsaw engine, including choke operation.

Checking the Oil Supply

Procedure to verify the chain oil is being supplied correctly during operation.

Adjusting the Carburetor

Guide for fine-tuning the engine's carburetor for optimal performance.

Chain Brake and Engine Operation

Chain Brake Function

Explains the automatic chain brake and how to confirm its operation.

Switching Operating Modes

Instructions on how to switch the engine between normal and anti-freeze modes.

Stopping the Engine

Steps to safely shut down the chainsaw engine.

Sawing Operations

General Sawing Precautions

Recommended practices and safety regulations for sawing wood.

Felling a Tree

Detailed procedure for safely felling a tree, considering various factors.

Bucking and Limbing

Instructions for cutting logs and removing branches safely.

Guard Against Kickback

Safety measures to prevent kickback during sawing operations.

Maintenance Procedures

Maintenance After Each Use

Routine checks and cleaning after every operating session.

Periodical Service Points

Regular inspection and maintenance tasks for long-term reliability.

Saw Chain and Guide Bar Maintenance

Saw Chain Sharpening

Instructions for sharpening and maintaining the saw chain's cutting edge.

Guide Bar Maintenance

Procedure for inspecting and maintaining the guide bar for optimal performance.

Troubleshooting Guide

Troubleshooting: Starting Failure

Steps to diagnose and resolve issues with the engine failing to start.

Troubleshooting: Power & Idling Issues

Steps to diagnose and resolve issues with lack of power or rough idling.

Troubleshooting: Oil Not Coming Out

Steps to diagnose and resolve issues with the chain oil not being supplied.

Specifications

Limited Warranty Information

Warranty Coverage and Period

Details on what is covered, warranty period, and purchaser responsibilities.

Warranty Exclusions

Lists conditions and damages not covered by the warranty.

Summary

Explanation of Symbols and Safety Warnings

Hearing Damage Warning

Warning regarding potential hearing damage from noise exposure exceeding 85 dB(A).

For Safe Operation

Explanation of Symbols on the Machine

Fuel Cap Symbol

Identifies the port for refueling with "MIX GASOLINE".

Chain Oil Cap Symbol

Identifies the port for topping up chain oil.

Stop Switch Symbol

Indicates the "O" position to immediately stop the engine.

Engine Starting Symbols

Symbols and positions for starting the engine (warm/cold).

Carburetor Adjustment Screws

Symbols (H, L, T) for high-speed, slow-speed, and idle adjustment screws.

Chain Brake Indicator

Shows directions for chain brake release (white arrow) and activation (black arrow).

Chain Oil Flow Adjustment

Indicates adjustment for chain oil flow from MIN to MAX.

Installing Guide Bar and Saw Chain

Fuel and Chain Oil

Fuel Handling and Safety

Precautions for handling flammable gasoline, including fueling procedures.

Recommended Fuel Mixing Ratio

Specifies the correct ratio for gasoline and two-cycle oil (50:1).

How to Mix Fuel

Step-by-step guide for properly mixing gasoline and oil.

Fueling the Unit

Instructions for safely refueling the chainsaw's fuel tank.

Engine Fuel Avoidances

Lists fuels and practices to avoid for engine longevity and proper function.

Chain Oil Specifications

Recommends motor oil type (SAE #10W-30, #30, #40) for the chain.

Operating the Engine

Starting the Engine

Detailed steps for starting the chainsaw engine, including choke operation.

Checking the Oil Supply

Procedure to verify the chain oil is being supplied correctly during operation.

Adjusting the Carburetor

Guide for fine-tuning the engine's carburetor for optimal performance.

Chain Brake and Engine Operation

Chain Brake Function

Explains the automatic chain brake and how to confirm its operation.

Switching Operating Modes

Instructions on how to switch the engine between normal and anti-freeze modes.

Stopping the Engine

Steps to safely shut down the chainsaw engine.

Sawing Operations

General Sawing Precautions

Recommended practices and safety regulations for sawing wood.

Felling a Tree

Detailed procedure for safely felling a tree, considering various factors.

Bucking and Limbing

Instructions for cutting logs and removing branches safely.

Guard Against Kickback

Safety measures to prevent kickback during sawing operations.

Maintenance Procedures

Maintenance After Each Use

Routine checks and cleaning after every operating session.

Periodical Service Points

Regular inspection and maintenance tasks for long-term reliability.

Saw Chain and Guide Bar Maintenance

Saw Chain Sharpening

Instructions for sharpening and maintaining the saw chain's cutting edge.

Guide Bar Maintenance

Procedure for inspecting and maintaining the guide bar for optimal performance.

Troubleshooting Guide

Troubleshooting: Starting Failure

Steps to diagnose and resolve issues with the engine failing to start.

Troubleshooting: Power & Idling Issues

Steps to diagnose and resolve issues with lack of power or rough idling.

Troubleshooting: Oil Not Coming Out

Steps to diagnose and resolve issues with the chain oil not being supplied.

Specifications

Limited Warranty Information

Warranty Coverage and Period

Details on what is covered, warranty period, and purchaser responsibilities.

Warranty Exclusions

Lists conditions and damages not covered by the warranty.

Zenoah G3800 Specifications

Power Unit IconPower Unit
displacement37.2 cm³
power1.62 kw/min
max speed12, 500 min⁻¹
idle speed2, 900 min⁻¹
Fuel and Oil IconFuel and Oil
fuelMixture (Gasoline 50 : Two-cycle oil 1)
fuel tank capacity310 cm³
chain oilMotor oil SAE# 10W-30
oil tank capacity210 cm³
Cutting Head IconCutting Head
guide bar typeSprocket nose
guide bar size14 (350) in. (mm)
saw chain typeOregon 91VG
saw chain pitch3/8 (9.53) in. (mm)
saw chain gauge0.05 (1.27) in. (mm)
Dimensions IconDimensions
dimensions370 x 235 x 270 mm
dry weight4.15 kg

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