DeWalt DCST991 User Manual

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1-800-4-DeWALT
Instruction Manual
Guide D’utilisation
Manual de instrucciones
DCST991
40V Max* Lithium Brushless String Trimmer
Taille-bordure sans balais au lithium-ion de 40V Max.*
Podadora de cuerda sin escobillas y con batería de iones de
litio de 40V Máx*
final page size: 8.5 x 5.5 in

DeWalt DCST991 Specifications

General

Type	String Trimmer
Voltage	60V
Cutting Width	15 inches
Motor	Brushless
Feed Type	Bump Feed
Power Source	Battery
Line Diameter	0.080 inches
Battery Type	Lithium Ion

Summary

Safety Instructions

Safety Alert Symbols and Words

Explains the meaning of DANGER, WARNING, CAUTION, NOTICE symbols used in the manual.

General Safety Warnings

Provides crucial safety instructions for using electric gardening appliances and reading all instructions.

Battery and Charger Safety

Critical safety guidelines for using DEWALT battery packs and chargers.

Transportation and Shipping Safety

Safety rules for transporting battery packs by air and ground.

Operation and Adjustments

Installing and Removing Battery Pack

Step-by-step guide for inserting and removing the battery pack from the tool.

Speed Control and Trimming Techniques

Using speed control and proper cutting methods for effective trimming.

Bump Feed Trimmer Line Feed

How to feed the trimmer line using the bump feed mechanism.

Maintenance and Replacement

Reloading the Cutting Line

Detailed steps for replacing the trimmer line spool.

Replacing Spool Assembly and Guard

Instructions for replacing key parts like the spool and guard.

Repairs and Service Information

Information on product repairs, service centers, and warranty.