1.Set unit on a flat surface.

2.Slowly press the primer bulb 6 times.

3.Move the start lever to the START position.

4.Pull starter rope handle sharply until en- gine starts and runs.

5.Allow unit to run for 10--15 seconds, then fully squeeze the throttle trigger to disen- gage the starting system.

STARTING A WARM ENGINE

Pull starter rope sharply until engine starts and runs.

NOTE: Normally, the warm starting procedure can be used within 5 -- 10 minutes after the unit is turned off. If the unit sits for more than 10 min- utes without being run, it will be necessary to start the unit by following the steps under STARTING A COLD ENGINE or following the starting instruction steps shown on the unit.

STARTING A FLOODED ENGINE

Move the start lever to the RUN position and fully squeeze throttle trigger. Pull the starter handle repeatedly while squeezing throttle trigger until engine starts and runs. This could require pulling the starter handle many times, depending on how badly the unit is flooded. If the unit still doesn’t start, refer to TROUBLE-

SHOOTING TABLE.

OPERATING THE COUPLER

This model is equipped with a coupler which enables optional attachments to be installed.

WARNING: Always stop unit and dis- connect spark plug before removing or instal- ling attachments.

REMOVING TRIMMER ATTACH- MENT (OR OTHER OPTIONAL AT- TACHMENTS)

CAUTION: When removing or installing at- tachments, place the unit on a flat surface for stability.

1.Loosen the coupler by turning the knob counterclockwise.

Coupler

AttachmentLOOSEN

3.While securely holding the engine and up- per shaft, pull the attachment straight out of the coupler.

INSTALLING OPTIONAL ATTACH- MENTS

1.Remove the shaft cap from the attach- ment (if present).

2.Position locking/release button of attach- ment into guide recess of coupler.

3.Push the attachment into the coupler until the locking/release button snaps into the primary hole.

4.Before using the unit, tighten the knob se- curely by turning clockwise.

Coupler Primary Hole

Guide Recess

Locking/

Upper Release Attachment

Shaft Button

WARNING: Make sure the locking/ release button is locked in the primary hole and the knob is securely tightened before op- erating the unit. All attachments are designed to be used in the primary hole unless otherwise stated in the applicable attachment instruction manual. Using the wrong hole could lead to seri- ous injury or damage to the unit.

Locking/Release

Button in Primary Hole

OPERATING POSITION

ALWAYS WEAR:

Safety helmet

Knob

TIGHTEN

2. Press and hold the locking/release button.

Hearing protection

Heavy, long pants

Eye protection

Locking/Release

Button

Attachment

Coupler

Upper Shaft

Boots

Cut from your left to your right.

When operating unit, clip shoulder strap onto clamp, stand as shown and check for the fol- lowing:

10

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McCulloch 433L Starting a Warm Engine, Starting a Flooded Engine, Operating the Coupler, Installing Optional ATTACH- Ments
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115306026, 433L, 952715745 specifications

The McCulloch 433L is a robust and versatile string trimmer designed for homeowners and landscaping professionals alike. It boasts a powerful 32cc engine that provides ample power for tackling tough grass and weeds in various environments. The 433L is ideal for those who require reliability and performance in a lightweight package, making it easy to navigate through gardens and yards.

One of the standout features of the McCulloch 433L is its Smart Start technology. This innovative system allows for easier starting, reducing resistance in the starter cord by up to 40 percent, which means users can get to work quicker without the hassle of multiple pull starts. This is particularly beneficial for those who may not have the time or strength for repeated attempts.

The design of the McCulloch 433L is focused on user comfort and control. It features an adjustable loop handle, allowing for optimal grip and maneuverability. Additionally, the lightweight construction, weighing in at only 10.6 lbs, minimizes fatigue during extended use. The trimmer also includes a bump feed line advancement system, enabling users to quickly and conveniently advance the trimming line with a gentle tap on the ground.

Durability is a vital aspect of the McCulloch 433L, as it is equipped with a heavy-duty cutting head that can withstand the rigors of frequent use. The cutting width of 17 inches ensures efficient coverage, allowing users to trim large areas in less time.

The construction of the trimmer also employs anti-vibration technology, which helps reduce strain on the user’s hands and arms while operating the tool. This is especially advantageous for those who use string trimmers regularly, as it contributes to a more pleasant experience.

In terms of fuel efficiency, the McCulloch 433L’s engine design optimizes fuel consumption, reducing the frequency of refueling and downtime during jobs. This makes it a practical choice for long-term projects where efficiency is paramount.

Overall, the McCulloch 433L combines powerful performance with innovative technologies, making it an excellent choice for both casual yard maintenance and professional landscaping needs. Its user-friendly features, comfort-oriented design, and strong engine enable users to maintain their landscapes with ease and confidence.
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