MAINTENANCE

WARNING: Avoid touching muffler unless engine and muffler are cold. A hot muffler can cause serious burns.

WARNING: Disconnect the spark plug before performing maintenance except for carburetor adjustments.

CHECK FOR LOOSE

FASTENERS AND PARTS

SMuffler

SSpark Plug Boot S Air Filter

S Housing Screws

CHECK FOR DAMAGED OR WORN PARTS

Contact an authorized service dealer for re- placement of damaged or worn parts.

S Fuel Tank. Discontinue use of unit if fuel tank is damaged or leaks.

SVacuum Bag -- Discontinue use of vacuum bag if it is torn or damaged.

INSPECT AND CLEAN UNIT & LABELS

S After each use, inspect complete unit for loose or damaged parts. Clean the unit and decals using a damp cloth with a mild deter- gent.

SWipe off unit with a clean dry cloth.

CLEAN AIR FILTER

Button

Air Filter

Air Filter Cover

A dirty air filter decreases engine perform- ance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation or yearly, whichever comes first.

1.Clean the cover and the area around it to keep debris from falling into the carburetor chamber when the cover is removed.

NOTE: Move choke lever to RUN position before opening air filter cover.

2.Remove parts as illustrated. NOTE: Do not clean filter in gasoline or other flammable solvent. Doing so can create a fire hazard or produce harmful evaporative emissions.

3.Wash the filter in soap and water.

4.Allow filter to dry.

5.Apply a few drops of oil to the filter; squeeze filter to distribute oil.

6.Replace parts.

REPLACE SPARK PLUG

Replace spark plug each year to ensure the engine starts easier and runs better. Set spark plug gap at 0.6 mm. Ignition timing is fixed, nonadjustable.

1.Twist, then pull off spark plug boot.

2.Remove spark plug from cylinder and dis- card.

3.Replace with Champion RCJ-6Y spark plug and tighten securely with a 19 mm socket wrench.

4.Reinstall the spark plug boot.

REPLACE FUEL FILTER

To replace fuel filter, drain unit by running it dry of fuel, then remove fuel cap/retainer assembly from tank. Pull filter from tank and remove it from fuel line. Install new fuel filter on fuel line; reinstall parts.

Fuel Filter

Fuel Line

CHECK MUFFLER MOUNTING SCREWS

Once each year, ensure muffler mounting screws are secure and tightened properly to prevent damage.

Muffler

Mounting Screw

INSPECT MUFFLER AND SPARK ARRESTING SCREEN

As the unit is used, carbon deposits build up on the muffler and spark arresting screen, and must be removed to avoid creating a fire hazard or affecting engine performance.

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McCulloch MAC GBV 345 instruction manual Maintenance

MAC GBV 345 specifications

The McCulloch MAC GBV 345 is a high-performance garden tool designed for homeowners and garden enthusiasts seeking an efficient and versatile solution for both blowing and vacuuming leaves and debris. This two-in-one unit combines the functionality of a leaf blower with that of a powerful vacuum, making it an ideal choice for maintaining a tidy outdoor space throughout the seasons.

One of the standout features of the MAC GBV 345 is its powerful 32cc two-stroke engine. This robust engine provides ample power to handle even the toughest tasks in your garden, ensuring that users can quickly and efficiently clear large areas of leaves and debris without experiencing fatigue. The lightweight design, weighing in at approximately 4.6 kg, allows for easy maneuverability, giving users the freedom to work without excessive strain.

The MAC GBV 345 is equipped with variable speed control, which enables users to adjust the blowing power according to specific requirements. This feature is particularly beneficial when working in delicate garden areas or around flowerbeds, allowing for precise control to avoid damaging fragile plants. The airspeed can reach up to 220 km/h, making it powerful enough to blow heavy debris, while still being gentle enough for lighter tasks.

Switching between blowing and vacuuming functions is seamless, thanks to the innovative design that allows for easy conversion between modes. The vacuuming function comes equipped with a metal impeller that effectively chops and shreds debris, reducing the volume of leaves collected. This not only makes disposal easier but also allows for convenient composting of the shredded material.

Another notable feature is the ergonomic design, which includes an adjustable handle for enhanced comfort during use. The anti-vibration technology incorporated in the MAC GBV 345 significantly reduces user fatigue, allowing for longer operation times without discomfort.

Furthermore, the unit features a large-capacity collection bag with a 45-liter capacity, which is easily detachable, allowing for hassle-free emptying. This means that users can spend less time stopping to empty the bag and more time focusing on their yard work.

In conclusion, the McCulloch MAC GBV 345 is a versatile and powerful tool that combines efficient blowing and vacuuming capabilities. With its lightweight design, adjustable speed control, ergonomic features, and easy conversion process, it stands out as an ideal choice for those looking to maintain their gardens effectively. Whether you're preparing for fall leaf season or cleaning up after storms, the MAC GBV 345 is designed to meet the challenges of outdoor maintenance with ease.