1. Introduction and Overview
Thank you for choosing the ZEGJAW 20V 13-inch Lawn Mower and 12-inch String Trimmer Combo. This versatile set is designed to provide efficient and convenient yard maintenance. The lawn mower offers 2-in-1 functionality for bagging and mulching, while the string trimmer easily converts to a wheeled edger for precise trimming. Both tools are powered by 20V 4.0Ah batteries, ensuring cordless operation and flexibility.

Image: A man efficiently uses both the ZEGJAW 13-inch lawn mower and the 12-inch string trimmer to maintain his garden, showcasing the combo's versatility.
Video: An official ZEGJAW video demonstrating the features and benefits of the 13-inch Lawn Mower, including its assembly and operation.
2. Setup & Assembly
Lawn Mower Assembly:
- Handle Installation: Attach the lower handle bars to the mower body using the provided bolts and yellow knobs. Ensure they are securely tightened.
- Upper Handle Assembly: Connect the upper handle to the lower handle bars, aligning the holes and securing with the remaining bolts and knobs.
- Grass Collection Bag: Assemble the grass collection bag by attaching the fabric bag to its plastic frame. Ensure all clips are securely fastened.
- Battery Installation: Open the battery compartment cover on the mower. Insert a charged 20V 4.0Ah battery until it clicks into place. Insert the yellow safety key into its slot. Close the cover securely.
String Trimmer Assembly:
- Shaft Connection: Connect the two sections of the trimmer shaft by twisting them together until they lock securely.
- Guard Installation: Attach the protective guard to the trimmer head using the provided screw. Ensure it is firmly in place.
- Edger Wheels: Attach the edger wheels to the trimmer head as shown in the diagram, ensuring they snap into position.
- Battery Installation: Insert a charged 20V 4.0Ah battery into the battery slot on the trimmer handle until it clicks.
Video: An official ZEGJAW video demonstrating the assembly process for both the lawn mower and string trimmer, including handle attachment and battery insertion.
3. Operating Instructions - Lawn Mower
Starting the Lawn Mower:
- Ensure a charged battery and safety key are correctly installed.
- Press and hold the safety button on the handle.
- Squeeze the bail switch lever towards the handle to start the motor. Release the safety button once the motor starts.
5-Position Cutting Height Adjustment:
The mower features a single-lever, 5-position height adjustment. This allows you to easily change the cutting height from 0.98 inches to 2.95 inches to suit different grass conditions and desired lawn length.

Image: A detailed view of the 5-position cutting height adjustment lever on the ZEGJAW lawn mower, showing the different height settings.
2-in-1 Mowing Versatility (Mulching & Bagging):
The mower can be used for both mulching and grass collection. To mulch, ensure the grass collection bag is removed and the mulching plug is inserted. For bagging, attach the 30L grass collection bag securely to the rear of the mower.

Image: The ZEGJAW lawn mower demonstrating its 2-in-1 functionality, highlighting both the mulching capability and the rear grass collection bag.
Flexible and Easy to Store:
The lawn mower features a foldable handle, making it portable and easy to store in compact spaces.

Image: The ZEGJAW lawn mower with its handle folded down, illustrating its compact design for convenient storage.
4. Operating Instructions - String Trimmer
Starting the String Trimmer:
- Ensure a charged battery is correctly installed.
- The trimmer features a dual safety design. Press the safety button on the handle.
- Squeeze the trigger to start the motor. Release the safety button once the motor starts.
Converting Trimmer to Edger:
The string trimmer can be easily converted into a wheeled edger. Simply adjust the cutting head to a 90° angle and engage the edger wheels for precise lawn edges.

Image: The ZEGJAW string trimmer shown in the process of converting to a wheeled edger, highlighting its dual functionality.
Automatic Line Feed (AFS):
The electric weed wacker operates with an Automatic Feed Spool (AFS) system, which automatically feeds the line as needed, ensuring continuous cutting without interruption. The combo includes eight extra spools for convenience.

Image: A close-up view of the ZEGJAW string trimmer's automatic line feed system in action, ensuring continuous trimming.
Adjustable Cutting Head and Handle:
The string trimmer features a 90° adjustable cutting head and a 180° changeable handle, allowing for flexible cutting angles and comfortable operation in various situations, including narrow passageways.

Image: The ZEGJAW string trimmer showcasing its 12-inch cutting swath, complete with a protective flower guard for precise trimming around delicate plants.
