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1/2” (13 MM) BRUSHLESS HAMMER DRILL 054-7544-6 IMPORTANT: INSTRUCTION Read and understand this instruction manual MANUAL thoroughly before using the product.
TABLE OF CONTENTS Technical Specifications Safety Guidelines Key Parts Diagram Operating Instructions Maintenance Troubleshooting Parts List Warranty NOTE: If any parts are missing or damaged, or if you have any questions, please call our toll-free helpline at 1-800-689-9928. SAVE THESE INSTRUCTIONS •...
SAFETY GUIDELINES: 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.
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headline bars headline bars headline bars model no. 054-7544-6 | contact us 1-800-689-9928 ELECTRICAL SAFETY • Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adaptor plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.
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POWER TOOL USE AND CARE • Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed. • Do not use the power tool if the switch does not turn it on and off.
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headline bars headline bars headline bars model no. 054-7544-6 | contact us 1-800-689-9928 SERVICE • Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained. •...
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• Protect the battery from heat and fire. There is risk of explosion. WARNING! To reduce the risk of electric shock or damage to the charger and battery, use only the Mastercraft batteries and chargers listed. ® BATTERY PACK CHARGER...
OPERATING INSTRUCTIONS TO ATTACH BATTERY PACK (fig 1) fig 1 1. Lock the variable-speed trigger switch on the Battery- hammer drill by placing the direction-of-rotation release (forward/centre-lock/reverse) selector in the centre button position. ATTACH 2. Align the raised portion on the battery pack with DETACH the groove on the bottom of the hammer drill, and then attach the battery pack to the hammer drill as...
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headline bars headline bars headline bars model no. 054-7544-6 | contact us 1-800-689-9928 DIRECTION-OF-ROTATION SELECTOR fig 3 (FORWARD/CENTRE-LOCK/REVERSE) (fig 3) The direction of rotation of the bit is reversible and is controlled with the direction-of-rotation selector, BRUSHLESS BRUSHLESS located above the variable-speed trigger switch. With Forward Reverse the hammer drill held in normal operating position: Position the direction-of-rotation selector to the left of...
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KEYLESS CHUCK (fig 5) fig 5 Open The arrows in the fig 5 indicate the rotation direction of the body of the chuck to tighten or open the jaws of the chuck on the drill bit. Keyless chuck Tighten TWO-SPEED GEAR BOX (fig 6) fig 6 High speed This hammer drill features a two-speed gearbox that is...
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headline bars headline bars headline bars model no. 054-7544-6 | contact us 1-800-689-9928 ADJUSTABLE TORQUE CLUTCH (fig 8) fig 8 Torque-adjustment ring The torque clutch can be adjusted to any of 24 different driving settings. However, the torque- adjustment ring is engaged only during screw-driving mode (it is not engaged in the drill and hammer-drilling modes).
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INSTALL THE BELT CLIP (fig 10) fig 10 1. Remove the battery from the tool. 2. Align the rib of the clip with the hole on the base of the hammer drill. 3. Insert the screw (included) and tighten the screw Belt clip securely with a screwdriver (not included).
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headline bars headline bars headline bars model no. 054-7544-6 | contact us 1-800-689-9928 GENERAL DRILLING (fig 13) fig 13 1. Check the direction-of-rotation selector for the correct setting (forward or reverse). 2. Use a vise or clamps to secure the material to be drilled to keep it from turning as the drill bit rotates.
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4. If the hammer drill stalls, it is usually because it is being overloaded. Release the variable-speed trigger switch immediately, reverse the direction of rotation and gently squeeze the variable-speed trigger switch to remove the bit from the workpiece. Investigate and correct the cause of stalling before resuming work.
headline bars headline bars headline bars model no. 054-7544-6 | contact us 1-800-689-9928 MAINTENANCE The tool may be cleaned most effectively with compressed dry air. Always wear safety goggles when cleaning tools with compressed air. Before each use: • Inspect the cordless hammer drill, the variable-speed trigger switch, and the cord for damage. •...
TROUBLESHOOTING Problem Possible Causes Solution The hammer drill does The battery is depleted. Charge the battery. not work. 1. The chuck is not opened. 1. Open the chuck. The bit cannot be installed. 2. The bit does not fit the chuck. 2.
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No. Part No. Description No. Part No. Description 5620488000 Screw (L.H.) 3810461000 Screw Bit 3860134000 Chuck 3810405000 Screw Bits 3129847000 Clutch Cap 5620040000 Screw 3129848000 Turntable Clutch Cap 3321321000 Bit Holder 2790451000 Gear Case Assembly 5630231000 Nut 3129851000 Speed Change Button 3705301000 Hook 2826134000 Motor &...
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054-7544-6 | contact us 1-800-689-9928 This Mastercraft product is guaranteed for a period of 3 years from the date of original retail purchase against defects in workmanship and materials, 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;...
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The provisions contained in this warranty are not intended to limit, modify, take away from, disclaim or exclude any statutory warranties set forth in any applicable provincial or federal legislation. Made in China Imported by Mastercraft Canada Toronto, Canada M4S 2B8...
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1/4” (6.4 MM) BRUSHLESS IMPACT DRIVER 054-7547-0 IMPORTANT: INSTRUCTION Read and understand this instruction manual MANUAL thoroughly before using the product.
TABLE OF CONTENTS Technical Specifications Safety Guidelines Key Parts Diagram Operating Instructions Maintenance Troubleshooting Parts List Warranty NOTE: If any parts are missing or damaged, or if you have any questions, please call our toll-free helpline at 1-800-689-9928. SAVE THESE INSTRUCTIONS •...
Hex 1/4" (6.4 mm) continuation tabs continuation tabs continuation tabs *Maximum battery voltage without workload; with workload nominal voltage is 18V. Recommend using tool with Mastercraft® 20V max* Lithium-Ion 4.0 Ah battery (054-7557-6; sold separately) for optimal performance. notes notes notes...
SAFETY GUIDELINES: 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.
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headline bars headline bars headline bars model no. 054-7547-0 | contact us 1-800-689-9928 ELECTRICAL SAFETY • Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adaptor plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.
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POWER TOOL USE AND CARE • Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed. • Do not use the power tool if the switch does not turn it on and off.
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headline bars headline bars headline bars model no. 054-7547-0 | contact us 1-800-689-9928 • Do not expose a battery pack or tool to fire or excessive temperature. Exposure to fire or temperature above 130°C (265°F) may cause explosion. • Follow all charging instructions and do not charge the battery pack or tool outside the temperature range specified in the instructions.
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Release the trigger immediately when the screw is tightened to avoid breaking the screw. WARNING! To reduce the risk of electric shock or damage to the charger and battery, use only the Mastercraft batteries and chargers listed. ® BATTERY PACK...
OPERATING INSTRUCTIONS TO ATTACH BATTERY PACK (fig 1) fig 1 1. Lock the variable-speed trigger switch on the impact driver by placing the direction-of-rotation selector (forward/centre-lock/reverse) in the Battery-release centre position. button 2. Align the raised rib on the battery pack with the ATTACH grooves of the impact driver, and then attach the battery pack to the impact driver.
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headline bars headline bars headline bars model no. 054-7547-0 | contact us 1-800-689-9928 INSTALL THE BIT HOLDER (fig 2) fig 2 1. Remove the battery from the tool. 2. Align the rib of the bit holder with the hole on the base of the cordless impact driver.
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TRIGGER SWITCH (fig 4) fig 4 1. To turn the impact driver ON, depress the variable-speed trigger switch. 2. To turn it OFF, release the variable-speed trigger Direction-of- Variable-speed switch. rotation selector trigger switch VARIABLE SPEED (fig 4) The variable-speed trigger switch delivers higher speed with increased trigger pressure and lower speed with decreased trigger pressure.
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headline bars headline bars headline bars model no. 054-7547-0 | contact us 1-800-689-9928 LED WORKLIGHT (fig 6) fig 6 The LED worklight, located in the front of the cordless impact driver, will illuminate when the variable-speed trigger switch is depressed and LED worklight will automatically turn off about 10 seconds after the variable-speed trigger switch is released.
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TIGHTENING SCREWS OR fig 8 NUTS (fig 8/fig 9) 1. Install the correct bit/socket. 2. Position the direction-of-rotation selector to the left of the tool for forward rotation. 3. Apply just enough pressure to keep the bit/ socket engaged on the screw or nut. 4.
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headline bars headline bars headline bars headline bars headline bars headline bars model no. 054-7547-0 | contact us 1-800-689-9928 TIGHTENING TORQUE The fastening torque is affected by a wide variety of factors, including the those listed below. After fastening, always check the torque with a torque wrench. Voltage: Low voltage, due to a nearly discharged battery, will reduce fastening torque.
MAINTENANCE BEFORE EACH USE: 1. Inspect the cordless impact driver, the variable-speed trigger switch, and the battery pack 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.
headline bars headline bars headline bars model no. 054-7547-0 | contact us 1-800-689-9928 TROUBLESHOOTING Problem Possible Causes Solution The sleeve is not released. Release the sleeve. The bit cannot be installed. The bit does not fit the Use a suitable bit. sleeve.
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headline bars headline bars headline bars headline bars headline bars headline bars model no. 054-7547-0 | contact us 1-800-689-9928 No. Part No. Description No. Part No. Description 3127567000 LED Cover 3520984000 Ring Gear 3130018000 Decorative Cover 5700181000 Bearing 5660035000 Circlips For Shaft 5690271000 Rubber Ring 5650192000 Washer 5690357000 O Ring...
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This Mastercraft product is guaranteed for a period of 3 years from the date of original retail purchase against defects in workmanship and materials, 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;...
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The provisions contained in this warranty are not intended to limit, modify, take away from, disclaim or exclude any statutory warranties set forth in any applicable provincial or federal legislation. notes notes notes Made in China Imported by Mastercraft Canada Toronto, Canada M4S 2B8 warnings warnings warnings...
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