McCulloch 433691, MC550, 96083000300 manual Table of Contents

Page 3

PRODUCT SPECIFICATIONS

Gasoline Capacity:

0.9 Quarts (0,85 L)

 

Unleaded Regular

 

 

Oil (API-SG-SL):

SAE 10w-30(Above 32°F/0°C)

(Capacity: 20 oz./0.6L)

SAE 5w-30(Below 32°F/0°C)

Spark Plug:

Champion RJ19LM or J19LM

(Gap: .030"/0.76mm)

 

CONGRATULATIONS on your purchase of a new tiller. It has been designed, engineered and manufactured to give you the best possible dependability and performance.

Should you experience any problems you cannot easily remedy, please contact your nearest authorized service center. We have competent, well-trained technicians and the proper tools to service or repair this unit.

Please read and retain this manual. The instructions will enable you to assemble and maintain your tiller properly. Always observe the “SAFETY RULES”.

CUSTOMER RESPONSIBILITIES

•Read and observe the safety rules.

•Follow a regular schedule in maintaining, caring for and using your tiller.

•Follow instructions under “Maintenance” and “Storage” sections of this Manual.

IMPORTANT: THIS UNIT IS EQUIPPED WITH AN INTERNAL COMBUSTION ENGINE AND SHOULD NOT BE USED ON OR NEAR ANY UNIMPROVED FOREST-COVERED, BRUSH- COVERED OR GRASS COVERED LAND UNLESS THE ENGINE'S EXHAUST SYSTEM IS EQUIPPED WITH A SPARK ARRESTER MEETING APPLICABLE LOCAL LAWS (IF ANY). IF A SPARK ARRESTER IS USED, IT SHOULD BE MAINTAINED IN EFFECTIVE WORKING ORDER BY THE OPERATOR.

IN THE STATE OF CALIFORNIA, A SPARK ARRESTER IS REQUIRED BY LAW (SECTION 4442 OF THE CALIFORNIA PUBLIC RESOURCES CODE). OTHER STATES MAY HAVE SIMILAR LAWS. FEDERAL LAWS APPLY ON FEDERAL LANDS. SEE YOUR AUTHORIZED SERVICE CENTER/DEPARTMENT FOR SPARK ARRESTER.

TABLE OF CONTENTS

SAFETY RULES

2

PRODUCT SPECIFICATIONS

3

CUSTOMER RESPONSIBILITIES

3

ASSEMBLY

4-5

OPERATION

6-9

MAINTENANCE SCHEDULE

10

MAINTENANCE

10-12

SERVICE & ADJUSTMENTS

13-14

STORAGE

15

TROUBLESHOOTING

16

PARTS

17-21

3

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Contents MC550 Preparation Safety RulesMaintenance and Storage TrainingTable of Contents Assembly Tools Required for AssemblyContents of Hardware Pack To Install Depth Stake See Fig Tilling WidthTine Operation Meets Ansi Safety Requirements OperationKnow Your Tiller Tilling HOW to USE Your TillerStopping See Fig Tine Operation See FigBefore Starting Engine ADD GasolineCheck Engine OIL Level See Fig Breaking in Your Tiller Tilling HintsCultivating Maintenance Maintenance ScheduleGeneral Recommendations Engine To Change Engine OIL See FigAIR Filter Spark Plug CleaningCooling System See Fig MufflerTine Arrangement Service and AdjustmentsTo Remove Clutch HOUSING/ENGINE Assembly see FIG TillerTo Replace V-BELT see To Adjust CarburetorEngine OIL StorageOther Fuel SystemProblem Cause Correction TroubleshootingDecals Tiller - Model Number MC550ENGINE, TRANSMISSION, and Tines 421338 Engine HANDLE, WHEEL, and Depth Stake Tiller - Model Number MC550 Limited Warranty

96083000300, MC550, 433691 specifications

The McCulloch 433691, also known as the MC550, is a versatile and robust chainsaw designed for both homeowners and professionals seeking efficiency and reliability in their tools. Packed with advanced features and cutting-edge technologies, the MC550 stands out in a competitive market.

One of the primary highlights of the McCulloch 433691 is its powerful engine. It is equipped with a robust 50cc two-stroke engine that delivers impressive cutting power. This engine ensures efficient fuel consumption while providing high torque, which allows for faster cuts through various types of wood. The chainsaw’s lightweight design, combined with this powerful engine, offers users great maneuverability, making it ideal for both trimming branches and felling larger trees.

The MC550 is built with an automatic oiling system, which guarantees that the chain remains lubricated during operation. This feature not only enhances the longevity of the chain and bar but also ensures smoother cutting action and less wear and tear on the tool. Additionally, the chainsaw's tool-free chain tensioning system provides convenience, allowing users to easily adjust the chain without the need for additional tools, thus saving time and effort.

Safety is a top priority in the design of the McCulloch 433691. The chainsaw incorporates several safety features, including a chain brake that instantly halts the chain in case of kickback. The anti-vibration system further enhances user comfort, significantly reducing fatigue during prolonged use. The ergonomic handle is designed to provide a secure grip, ensuring better control while operating the saw.

Another notable characteristic of the MC550 is its user-friendly design. The chainsaw comes with clear instructions, making it straightforward for beginners while still providing all the necessary functionality that experienced users might expect. The compact size and lightweight nature of the saw enable easy transport and storage.

In summary, the McCulloch 433691 (MC550) is a powerful and efficient chainsaw, featuring a robust engine, automatic oiling system, and essential safety mechanisms. Its blend of performance, convenience, and safety makes it an excellent choice for anyone looking to tackle outdoor cutting tasks with ease and confidence. Whether you are a homeowner needing to maintain your garden or a professional arborist, the MC550 is equipped to meet your chainsawing needs effectively.
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