YM4570 (41AD457C755) Yard Man Trimmer - Overview

This genuine bump head knob assembly, sometimes known simply as the bump head, is black and approximately 2 inches long. Sold individually, this plastic part releases the cutting line. Over time, this part may break due to wear, and you will know it is broken because it will completely stop functioning. A troubleshooting tip is to tap t...Read morehe part on theg round to see if the cutting line advances. This is an easy repair to make, and does not require any tools. You will need to look for the bump head attachment point on the bottom of the cutting head assembly.

This gearbox is for line trimmers. Gearbox contains the gears that turn the line spool for cutting.

Presenting the Craftsman Clutch Assembly kit ideal for your lawn and garden equipment. This assembly plays a crucial role in engaging and disengaging the drive shaft ensuring effective and efficient operation of your equipment. The kit potentially includes multiple parts -- you can refer to your parts diagram to learn about every piece in...Read morecluded in the set. Before you start with the installation of this part ensure you're working in an area with good ventilation. It's advised to drain your equipment's fuel tank and disconnect the spark plug wire prior to the repair process enhancing safety and ease of installation. Don?t forget to wear work gloves to safeguard your hands during the repair.

Presenting the Craftsman Clutch Assembly kit ideal for your lawn and garden equipment. This assembly plays a crucial role in engaging and disengaging the drive shaft ensuring effective and efficient operation of your equipment. The kit potentially includes multiple parts -- you can refer to your parts diagram to learn about every piece in...Read morecluded in the set. Before you start with the installation of this part ensure you're working in an area with good ventilation. It's advised to drain your equipment's fuel tank and disconnect the spark plug wire prior to the repair process enhancing safety and ease of installation. Don?t forget to wear work gloves to safeguard your hands during the repair.

This plastic throttle trigger measures 2.5-inches in length and controls the power, speed, and intensity of the motor for your lawn equipment through the throttle cable and carburetor it is attached to. Sold as an individual part without any securing hardware, this trigger, although made of durable plastic, is a high-use part that will ne...Read moreed to be replaced more often than other parts. Check the user manual for your model for exact placement and installation location of this trigger.

This spool is for line trimmers. Spool houses the cutting line and fits inside the cutting head to cut grass and weeds. Wear work gloves to protect your hands when installing this part.

Lower boom assembly

This Switch is a black, plastic on/off switch for a trimmer. Installation of this manufacturer-certified switch is rated as "Easy" and requires a screwdriver, wrench set and socket set. Refer to your make, model, and diagrams to ensure this switch is correct for you.

Genuine OEM replacement part, this item is sold individually. This spring is used on all of the trimmers listed below. It is installed between the inner reel and the outer spool assembly. Its purpose is to keep pressure on the Bump Head Knob Assembly.

This is a genuine anti-rotation screw from the Ryobi manufacturer. The metal screw is compatible with many lawn and garden trimmers. This item works to help secure the clutch cover assembly. This part is sold individually. A screwdriver is needed in making the repair.

The housing is sourced from the original manufacturer for use with Craftsman gas powered trimmers. This part is a kit that is used to house the throttle trigger. The kit includes the housing, hardware, and the trigger. These housing kits are sold individually, please see part list for related parts such as the throttle cable.

This is a genuine manufacturer approved replacement drive shaft that is designed for string trimmers. Flexible drive shaft fits inside the drive shaft housing to spin the cutting head. It is made out of metal and it is sold individually. To complete this repair you would need a screwdriver and pliers. Removing the Drive Shaft: • Loos...Read moreen the shaft screws. • Remove the air filter. • Remove the throttle cable. • Remove the ignition wires. • Remove the shaft housing. • Remove the drive shaft. Installing the New Drive Shaft: • Lubricate the drive shaft. • Install the new drive shaft. • Re-install the shaft housing. • Re-install the throttle cable and ignition wires. • Re-install the air filter assembly.

This retainer clip is a metal piece used to secure components and provide stability inside trimmers. It is an authentic manufacturer replacement clip which is positioned on the trimmer hub and designed to hold the spool in position during use. If the retaining clip is worn down or broken, the trimmer head and outer spool will come loose a...Read morend may slip off the shaft, the trimmer line will tangle and jam, and the trimmer may experience reduced power. You will need a small screwdriver and set of pliers to remove the faulty clip, and a retainer ring tool to lock the new one in position. This part is sold individually.