This document is an instruction manual for the PowerSmart 20V Cordless String Trimmer, model numbers PS76110A and PS76110AV2. It provides comprehensive information on the device's function, technical specifications, usage, and maintenance, along with safety guidelines and warranty details.
Function Description:
The PowerSmart 20V Cordless String Trimmer is a versatile outdoor power tool designed for trimming grass and light vegetation, as well as for lawn edging. It operates on a 20V Lithium-ion battery, offering cordless convenience for various landscaping tasks. The trimmer features an auto-feed spool system, eliminating the need for manual line advancement during operation. Its design allows for adjustment between trimming and edging modes, enhancing its utility for different lawn care needs. The telescopic shaft and adjustable front handle provide ergonomic flexibility, allowing users to customize the tool for comfortable operation and optimal cutting height. An edger wheel is included for precise edging along sidewalks and driveways. The device is intended for household use and is not recommended for professional or commercial applications.
Important Technical Specifications:
- Model Numbers: PS76110A / PS76110AV2
- Power Input: 20V
- Cutting Diameter: 10 inches
- Line Diameter: 0.065 inches
- Spool Type: Auto feed
- No Load Speed: 8200 RPM
- Battery Type: 20V Lithium-ion, 2.0Ah
- Battery Model: PS76020B
- Charging Time: 1.3 hours
- Charger Model: PS76018C
- Charger Rating: Input: 120VAC, 60Hz, 0.54A; Output: 20V DC, 1.5A
- Package Dimensions (L x W x H): 23.8 x 8.3 x 5.9 inches
- Weight: 6.2 lb.
- Battery Compatibility: The PS76018B battery is compatible with all PowerSmart 20V cordless tools, including models PS76110A, PS76105A, PS76120A, PS76405A, PS76410A, PS76415A, PS76425A, and PS76420A.
Usage Features:
The string trimmer is designed for ease of use with several adjustable features to suit different users and tasks:
- Cordless Operation: Powered by a 20V Lithium-ion battery, providing freedom of movement without the restriction of power cords.
- Adjustable Cutting Height: The telescopic shaft (K) can be adjusted to the most comfortable operating position, allowing users to customize the trimmer's length. This adjustment should only be made when the trimming line is not rotating.
- Adjustable Front Handle: The front handle (C) has an adjustment button (J) that allows for setting the handle at one of five preferred angles, enhancing user comfort and control.
- Adjustable Motor Housing Angle: The motor housing can be adjusted to four different positions (0°, 30°, 60°, 90°) by pushing the shaft back and forth while holding the main handle and stepping on the motor housing. This feature is crucial for adapting the tool for various trimming and edging angles.
- Trimming and Edging Functionality: The PS76110A model is designed to switch between trimming and edging modes. To switch, the edger function switch (D) is pressed, and the telescopic shaft (K) is turned to the left. The edger wheel (G) can be fitted for edging mode, ensuring stability and precision.
- Auto-Feed Spool: The trimmer utilizes an auto-feed spool system, which automatically extends the cutting line as needed during operation.
- Battery Installation and Removal: The battery pack is easily installed by aligning its rails with the handle's rails and pushing it forward until it locks. Removal involves pressing the battery release button and sliding the pack backward.
- Starting and Stopping: To start, depress the lock-off button (1) and simultaneously press the trigger switch (2). Releasing the trigger switch stops the tool. A safety warning notes that the tool continues to run for approximately 4 seconds after being switched off.
- Trimming Tips: The manual provides tips for effective trimming, such as lowering the protector to prevent damage, starting the trimmer before approaching grass, cutting from right to left with a 30° incline, cutting high grass in layers, avoiding damp grass, and being aware of kickbacks from hard objects.
Maintenance Features:
Proper maintenance is essential for the longevity and safe operation of the string trimmer.
- Safety First: Always remove the battery pack before performing any adjustments, inspections, or cleaning to prevent personal injury, fire, or electric shock.
- Cleaning the Spool Head: The spool head should be regularly cleaned of dirt and debris using a damp cloth with mild detergent. The housing and plastic components should also be wiped with a moist, soft cloth, avoiding strong solvents or detergents.
- General Inspection: Regularly check all fixing screws to ensure they are tight, as vibrations can loosen them over time.
- Storage:
- Store the trimmer away from direct sunlight and in a well-ventilated, dry, locked place, out of reach of children.
- Avoid storing in nylon bags, which can encourage mold.
- Keep away from corrosive agents like garden chemicals and de-icing salts.
- Perform an overall cleaning and thorough check at the end of the season.
- Battery Pack Maintenance:
- Store the battery pack fully charged.
- Remove the battery from the charger once the charging light turns green and disconnect the charger from the outlet.
- Do not store the battery pack on the tool.
- The battery pack can be stored in the charger as long as the charger is unplugged.
- For best results, charge the battery in a location where the temperature is between 45°F and 104°F. If the battery pack is hot, allow it to cool down before recharging.
- Charger Maintenance:
- Keep the charger clean and free of debris.
- Do not allow foreign material into the recessed cavity or onto contacts.
- Wipe the charger with a dry cloth; do not use solvents or water, and do not place the charger in wet conditions.
- Unplug the charger when no battery pack is in it.
- Store the charger at normal room temperature, avoiding excessive heat or direct sunlight.
- Replacing Line Spool Assembly: The manual provides instructions for replacing the line spool when the line is used up. This involves pressing two clips on the spool cover, pulling out the old line coil, replacing it with a new one, threading the line through the hole, and securely reattaching the spool cover. Only manufacturer-recommended line spools should be used.
- Troubleshooting: A troubleshooting guide is included to address common operating problems such as motor failure, line not feeding, and poor cutting performance, offering possible causes and solutions.
- Environmentally Safe Battery Disposal: Lithium-ion batteries contain toxic and corrosive materials and must be disposed of in a specified manner to prevent environmental contamination. Users are instructed to contact local waste disposal agencies for information, cover terminals with heavy-duty adhesive tape, and dispose of batteries at certified recycling or disposal centers. Damaged batteries should not be recharged or repaired.
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