This document is an instruction manual for the DEWALT DCBL770 60V Max* Lithium Handheld Blower.
Function Description:
The DEWALT DCBL770 is a professional-grade outdoor blower designed for various applications, primarily for clearing debris. It is a battery-operated unit, intended for commercial use. The blower features a trigger switch (1), a speed lock lever (2), and a lock-off switch (3) for controlled operation. It can be fitted with different nozzles, including a large end nozzle (9) and a wide end nozzle (10), to suit various blowing tasks. The device is powered by a 60V Max* Lithium battery pack (7), which is inserted into a battery housing (6).
Important Technical Specifications:
The blower operates on a 60V Max* Lithium battery system. The instruction manual includes a comprehensive table of DEWALT battery and charger systems, detailing compatibility and approximate charge times for various battery models (e.g., DCB606, DCB404, DCB204, DCB120) across different charger models (e.g., DC9000, DCB101, DCB115). For instance, a DCB606 battery takes approximately 100 minutes to charge with a DC9310 charger and 170 minutes with a DCB112 charger. The nominal voltage of the 60V Max* battery is 54 volts, with a maximum initial battery voltage (measured without a workload) of 60 volts. The manual also outlines minimum wire gauge requirements for extension cords based on total cord length and ampere rating, emphasizing the importance of adequate wire size to prevent power loss and overheating.
Usage Features:
- Battery Installation and Removal: To install the battery pack, it is inserted into the battery housing until it is fully seated and an audible click is heard. To remove, the battery release button (8) is depressed, and the pack is pulled out.
- Tube Assembly: The tube (5) is attached to the blower housing by aligning pegs (12) on the tube with a notch (13) on the housing opening and pushing until it locks. To remove, a screwdriver is inserted into the unlocking hole (14) to lift a tab and pull the tube out.
- Nozzle Attachment: Nozzles (9 or 10) are attached by aligning their channels (15) with nubs (16) on the tube and sliding them on. A firm twist locks the nozzle securely.
- Operation: To turn the blower on, the lock-off switch (3) must be in the unlocked position, and the trigger switch (1) depressed. The speed lock lever (2) can be pulled back to lock the blower on and increase speed. The proper hand position involves holding the main handle (4) securely with one hand. The user should sweep the tube (5) side to side, several inches above the hard surface, slowly advancing to move accumulated debris.
- Safety Precautions: The manual emphasizes reading all safety warnings and instructions. Users are advised to wear eye protection (safety glasses or goggles conforming to ANSI Z87.1/CAN/CSA Z94.3) and a face or dust mask. Long hair and loose clothing should be kept away from openings and moving parts. The unit discharge should not be pointed at oneself or bystanders. The blower should not be operated in gaseous or explosive atmospheres, in damp or wet locations, or in the rain. It is not recommended for use by children.
- Battery Charging: Battery packs must be recharged only with specified DEWALT chargers. The charger status is indicated by a red light (charging) and a yellow light (hot/cold pack delay). A green light indicates a fully charged battery. The charger should be placed in a dry, well-ventilated area, away from heat sources, and should not be operated with a damaged cord or plug.
Maintenance Features:
- Cleaning: Air vents should be blown out with clean, dry air at least once a week. Non-metallic parts of the tool should be cleaned with a cloth dampened with water and mild soap. Solvents or harsh chemicals should not be used, and no liquid should enter or immerse the tool.
- Storage: The unit should be stored in a dry, high, or locked-up place, out of reach of children. For optimal long-term storage, fully charged battery packs should be kept in a cool, dry place, out of the charger. Battery packs should not be stored completely depleted.
- Repairs: The blower, charger, and battery pack are not user-serviceable. Repairs, maintenance, and adjustments should only be performed by DEWALT service centers or authorized service facilities, using DEWALT replacement parts. Attempting to repair the blower or disassemble the charger is not recommended and may result in electric shock, fire, or serious injury.
- Battery Recycling: The manual highlights the Call 2 Recycle® program as an environmentally conscious alternative for recycling spent nickel cadmium, nickel metal hydride, or lithium-ion batteries. Users are encouraged to return spent batteries to authorized DEWALT service centers or local retailers for recycling.
Safety Alert Symbols and Words:
The manual uses specific symbols and words to indicate hazardous situations:
- DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
- WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
- CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
- (Used without word): Indicates a safety-related message.
- NOTICE: Indicates a practice not related to personal injury which, if not avoided, may result in property damage.
The product contains chemicals, including lead, known to the State of California to cause cancer, birth defects, or other reproductive harm. Users are advised to wash hands after handling and wear approved safety equipment, such as dust masks, to reduce exposure to chemicals found in dust from fertilizers, insecticides, herbicides, pesticides, crystalline silica, and chemically treated lumber.
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