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Yamaha YT624 User Manual

Yamaha YT624
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Read this manual carefully before operating this machine.
7T0-28199-70
YT624
Snowblower
OWNER’S MANUAL
7T0-28199-70_cover.indd 1 2019/05/01 9:24:35

Table of Contents

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Yamaha YT624 Specifications

General IconGeneral
Transmission TypeFriction Disc
Auger MaterialSteel
Chute ControlManual
Engine Type4-stroke OHV
Clearing Width24 inches
Starting SystemRecoil

Summary

Introduction

Safety Information

General Operating Safety

Key safety rules for operating the snowblower to prevent injury and damage.

Fuel Handling and Engine Safety

Guidelines for safe handling of gasoline and engine operation.

Safe Operation Practices

Rules to prevent injury from moving parts and projectiles.

Parking and Maintenance Safety

Procedures for safe parking, stopping, and dislodging snow.

Cooling Down Procedures

Important steps before attaching covers or devices to the machine.

Location of Important Labels

Warning and Danger Labels

Identification and meaning of critical safety labels on the machine.

Emission and Information Labels

Details on emission control and oil labels for identification.

Description

Main Component Identification

Overview of major external parts of the snowblower.

Control and Fuel System Components

Identification of levers, gauges, and fuel tank parts.

Engine and Electrical Components

Location of starter, fuse, battery, and engine parts.

Control Function

Engine Switch Operation

Instructions for starting, running, and stopping the engine using the switch.

Starter and Throttle Controls

How to use the recoil starter and throttle/choke lever.

Transmission and Chute Controls

Operation of shift levers and chute direction adjustment.

Chute Deflector and Auger Controls

Adjusting snow blowing distance and auger engagement.

Auger Housing Height Adjustment

How to adjust the auger housing height for different conditions.

Fuel System Controls

Operation of the fuel gauge and fuel cock.

Skid and Scraper Adjustment

How to adjust skids and scraper for surface conditions.

Shear Bolt Guard Function

Function and importance of the shear bolt guard.

Clean-out Tool and Working Light

Using the clean-out tool and the function of the working light.

Pre-Operation Check

Before Initial Operation

General checklist and safety warnings before operating the snowblower.

Checking Fuel Level

How to check and refill the fuel tank safely.

Checking Engine Oil Level

Procedure for checking and topping up engine oil.

Checking Transmission (HST) Oil

How to check the transmission oil level.

Mechanical and System Checks

Verifying auger, handlebar, starter, engine, and exhaust system.

Operation System Checks

Ensuring clutch, chute, and previous troubles are addressed.

Operation

Starting Engine (Recoil Start)

Step-by-step guide to start the engine using the recoil starter.

Starting Engine (Electric Start)

Step-by-step guide to start the engine using the electric starter.

Stopping the Engine

Procedures for safely shutting down the engine.

Moving the Snowblower

How to move the snowblower with the engine running.

Clearing Snow

Instructions for operating the snowblower to clear snow effectively.

Stopping the Snowblower

Steps to safely stop the snowblower after use.

Moving Snowblower (Engine Stopped)

How to manually move the snowblower without the engine running.

High Altitude Operation

Considerations for operating the snowblower at high altitudes.

Periodic Maintenance

Check Before Use

Routine checks required before each use of the snowblower.

Periodic Inspection Schedule

Recommended intervals for professional inspections.

Maintenance Chart Overview

A detailed schedule of maintenance tasks and intervals.

Engine Oil Maintenance

Procedures for changing and refilling engine oil.

Transmission Oil Maintenance

How to refill the transmission (HST) oil.

Spark Plug Service

How to check, clean, and gap the spark plug.

Fuel Strainer Cleaning

Steps to clean the fuel strainer.

Skid and Scraper Adjustment

Adjusting skids and scraper for optimal performance.

Auger Shear Bolt Replacement

Procedure for replacing shear bolts on the auger.

Impeller Shear Bolt Replacement

Procedure for replacing the impeller shear bolt.

Track Tension Adjustment

How to check and adjust track tension.

Battery Maintenance

Checking, cleaning, and servicing the battery.

Fuse Replacement

Procedures for replacing the fuse.

Lubricating Each Part

Guide to lubricating moving parts for maintenance.

Storage

Short-Term Storage

Procedures for storing the snowblower for less than three months.

Long-Term Storage

Guidelines for storing the snowblower for extended periods.

Specifications

Machine Specifications

Detailed technical data for the YT624 snowblower.

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