INSTRUCTION MANUAL ANGLE GRINDER 054-7120-4
If any parts are missing or damaged, or if you have any questions, please call our toll-free helpline at 1-800-689-9928. Read and understand this instruction manual thoroughly before using the product. It contains important information for your safety as well as operating and maintenance advice. Keep this instruction manual for future use. Should this product be passed on to a third party, then this instruction manual must be included.
SAFETY GUIDELINES 4–9 DESCRIPTION 10 OPERATING INSTRUCTIONS 11–16 MAINTENANCE 17–18 TROUBLESHOOTING 19 PARTS LIST 20–21 WARRANTY 22–23 ANGLE GRINDER - 054-7120-4 TABLE OF CONTENTS TECHNICAL SPECIFICATIONS 2
TECHNICAL SPECIFICATIONS 3 RATED POWER INPUT 5A RATING 120 V ~ 60 Hz RATED SPEED 11,000 RPM WHEEL DIAMETER 4 1/2" (115 mm) ARBOR SIZE 5/8" RECOMMENDED WHEEL Type 27 TOOL WEIGHT 3 lb 15 oz (1.
WARNING! Safety symbols in this Instruction Manual are used to flag possible dangers. The safety symbols and their explanations require your full understanding. The safety warnings do not, by themselves, eliminate any danger, nor are they substitutes for proper accident prevention measures. WARNING! This Safety Alert Symbol indicates caution, warning, or danger. Failure to obey a safety warning can result in serious injury to yourself or others.
5 Work area safety SAFETY GUIDELINES • Keep the work area clean and well lit. Cluttered or dark areas invite accidents. • Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks, which may ignite the dust or fumes. • Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control. Electrical safety • Power tool plugs must match the outlet. Never modify the plug in any way.
• Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations. • Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts. • If devices are provided for the connection of dust extraction and collection facilities, ensure that these are connected and properly used.
SAFETY GUIDELINES 7 Safety guidelines for angle grinder • This power tool is intended to function as a grinder. Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. • Operations such as sanding, wire brushing, polishing or cutting-off are not recommended to be performed with this power tool.
• Do not run the power tool while carrying it at your side. Accidental contact with the spinning accessory could snag your clothing, pulling the accessory into your body. • Regularly clean the power tool’s air vents. The motor’s fan will draw the dust inside the housing and excessive accumulation of powdered metal may cause electrical hazards. • Do not operate the power tool near flammable materials. Sparks could ignite these materials. • Do not use accessories that require liquid coolants.
SAFETY GUIDELINES 9 • Never place your hand near the rotating accessory. The accessory may kickback over your hand. • Do not position your body in the area where the power tool will move if kickback occurs. Kickback will propel the tool in the direction opposite to the wheel’s movement at the point of snagging. • Use special care when working corners, sharp edges, etc. Avoid bouncing and snagging the accessory.
Know your tool 2 1 4 3 5 6 8 9 No. 1. 2. 3. 4. 5. Description Switch button Spindle-lock button Spindle Side handle Inner flange 7 No. 6. 7. 8. 9. Description Grinding wheel Outer flange Guard-adjusting lever Wheel guard Before attempting to use this tool, become familiar with all of its operating features and safety requirements. For optimum performance and safety, read the following operating instructions carefully before using.
OPERATING INSTRUCTIONS 11 ON/OFF switch (fig 1) WARNING! fig 1 Switch button Firmly grasp the body of the tool and the side handle before starting. The tool is switched “ON” with the switch button located at the side of the motor housing. The switch can be locked in the “ON” position, a convenience for long grinding operations. The symbol “O” on the motor housing indicates OFF; the symbol “l” indicates ON. 1. Connect the power cord of your angle grinder to a standard household power outlet.
The side handle is used to guide and balance the tool and can be threaded into the front housing on either side of the tool, depending on personal preference and comfort. Use the side handle for safe control and ease of operation. fig 2 WARNING! F ailure to unplug the tool from the power source when assembling parts, making adjustments, or changing application tools could result in accidental starting and cause serious injury. 1. Unplug the angle grinder. 2.
OPERATING INSTRUCTIONS 13 Adjust the guard (fig 3) WARNING! Failure to unplug the tool from the power source when assembling parts, making adjustments, or changing application tools could result in accidental starting and cause serious injury. fig 3 Notch on the guard Guardadjusting lever 1. Unplug the angle grinder. 2. Press the guard-adjusting lever, and hold it to loosen the guard. 3. Rotate the guard to the desired position and make sure the lever lines up with notches on the guard. 4.
fig 4 WARNING! Failure to unplug the tool from the power source when assembling parts, making adjustments, or changing application tools could result in accidental starting and cause serious injury. Tabs on the guard WARNING! After extended use, the guard may become worn and need adjustment or replacing. Or, if you drop the angle grinder and damage the guard, it may be necessary to replace it. To remove the guard: 1. Unplug the angle grinder. 2.
OPERATING INSTRUCTIONS 15 Mounting the wheel (fig 5-6) WARNING! nly use grinding wheels for which O the maximum safe operating speed is rated at or above 13200 RPM. Never use damaged or imbalanced grinding wheels. Do not exceed the recommended wheel diameter. Grinding wheel type 27 is recommended for use on this grinder.
Grinding operation WARNING! Only use grinding wheels for which the maximum safe operating speed is rated at or above 13200 RPM. Never use damaged or imbalanced grinding wheels. Do not exceed the recommended wheel diameter. Grinding wheel type 27 is recommended for use on this grinder. WARNING! Firmly grasp the body of the tool and the side handle before starting. Grinding tips • Use a clamp, vise or other practical means to hold your work, freeing both hands to control your tool.
17 General maintenance MAINTENANCE Before each use: 1. Inspect the angle grinder, the ON/OFF switch, the cord and the accessories for damage. 2. Check for damaged, missing, or worn parts. 3. Check for loose screws, misalignment or binding of moving parts, or any other condition that may affect the operation. 4. If abnormal vibration or noise occurs, turn the tool off immediately and have the problem corrected before further use.
Lubrication All of the bearings in this product are lubricated with a sufficient amount of high grade lubricant for the life of the unit under normal operating conditions. Therefore, no further lubrication is required. Cleaning WARNING! To avoid accidents always disconnect the tool from the power supply before cleaning or performing any maintenance. The tool may be cleaned most effectively with compressed dry air. Always wear safety goggles when cleaning tools with compressed air.
TROUBLESHOOTING 19 PROBLEM POSSIBLE CAUSES SOLUTIONS The motor stops running The tool is disconnected from the power source Connect the tool to a power source The plugs are not fully connected Make sure all plugs are connected The tool is running slowly The grinding wheel is worn out Replace the grinding wheel on the tool If the problem remains unsolved after performing the checks described above, call the tollfree helpline at 1-800-689-9928.
20 PARTS LIST Exploded view ANGLE GRINDER - 054-7120-4
PARTS LIST 21 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Part No.
This Mastercraft product is guaranteed three (3) years from the date of original retail purchase against defects in materials and workmanship, except for the following components: a) Component A: Batteries, chargers and carrying case, which are guaranteed for a period of 2 years from the date of original retail purchase against defects in workmanship and materials; b) Component B: Accessories, which are guaranteed for a period of 1-year from the date of original retail purchase against defects in workmanshi
23 WARRANTY f) this warranty will not apply to any product that was sold to the original purchaser as a reconditioned or refurbished product (unless otherwise specified in writing); g) this warranty will not apply to any product or part thereof if any part from another manufacturer is installed therein or any repairs or alterations have been made or attempted by unauthorized persons; h) this warranty will not apply to normal deterioration of the exterior finish, such as, but not limited to, scratches, de
