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MasterCraft 054-7544-6, Instruction Manual, Page: 4 / 48

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MasterCraft 054-7544-6 Instruction Manual Download Page 4

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model no. 054-7544-6  |  contact us 1-800-689-9928

4

TECHNICAL SPECIFICA

TIONS

TECHNICAL SPECIFICATIONS

Rated Voltage

20 V d.c.

Chuck Capacity

1/2” (13 mm)

No-load Speed

0–500 RPM / 0–1800 RPM

Impact Rate

0–8,000 BPM / 0–28,800 BPM

Max. Torque

460 in-lb

Clutch Settings

24 

*Maximum battery voltage without workload; with workload nominal voltage is 18V.

Summary of Contents for 054-7544-6

Page 1: ...IMPORTANT Read and understand this instruction manual thoroughly before using the product INSTRUCTION MANUAL 1 2 13 MM BRUSHLESS HAMMER DRILL 054 7544 6...

Page 2: ...headline bars continuation tabs notes warnings headline bars continuation tabs notes warnings headline bars continuation tabs notes warnings...

Page 3: ...bleshooting 19 Parts List 20 Warranty 22 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 This manual...

Page 4: ...gs model no 054 7544 6 contact us 1 800 689 9928 4 TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS Rated Voltage 20 V d c Chuck Capacity 1 2 13 mm No load Speed 0 500 RPM 0 1800 RPM Impact Rate 0 8...

Page 5: ...serviced by a qualified service technician For more information call the toll free helpline at 1 800 689 9928 READ ALL INSTRUCTIONS THOROUGHLY SAVE THESE INSTRUCTIONS GENERAL POWER TOOL SAFETY WARNING...

Page 6: ...l Do not use a power tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Use person...

Page 7: ...those intended could result in a hazardous situation Keep handles and grasping surfaces dry clean and free from oil and grease Slippery handles and grasping surfaces do not allow for safe handling an...

Page 8: ...ly to bend if allowed to rotate freely without contacting the workpiece resulting in personal injury Apply pressure only in direct line with the bit and do not apply excessive pressure Bits can bend c...

Page 9: ...d instruction manual WARNING To reduce the risk of injury always wear eye protection WARNING To reduce the risk of injury always wear ear protection Do not open the battery There is risk of a shortcir...

Page 10: ...ch 3 Keyless chuck 7 Direction of rotation selector 4 Function mode selector 8 LED worklight KEY PARTS DIAGRAM WARNING Remove the cordless hammer drill from the package and examine it carefully Do not...

Page 11: ...the battery pack 3 Pull forward on the battery pack to remove it from the hammer drill TRIGGER SWITCH fig 2 To turn the hammer drill ON depress the variable speed trigger switch To turn it OFF releas...

Page 12: ...ed trigger switch With the hammer drill held in normal operating position Position the direction of rotation selector to the left of the tool for forward rotation Position the direction of rotation se...

Page 13: ...FUNCTION MODE SELECTOR fig 7 The hammer drill is equipped with a separate function mode selector to switch among drilling screw driving and hammer drilling modes 1 To use the screw driving mode rotate...

Page 14: ...u will be using In general use greater torque for larger screws but if the torque is too high the screws may be damaged or broken For delicate operations such as removing a partially stripped screw us...

Page 15: ...s of the chuck 3 Insert the drill bit 4 Rotate the chuck in the GRIP direction to tighten the jaws of the chuck securely on the bit REMOVING A BIT fig 11 1 Lock the variable speed trigger switch by pl...

Page 16: ...the bit and will increase the drilling efficiency 9 If the bit jams in the workpiece or if the hammer drill stalls stop the tool immediately Reverse the direction of rotation and gently squeeze the va...

Page 17: ...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 workpiec...

Page 18: ...clockwise direction This will loosen the chuck for easy removal 5 Attach a new chuck to the spindle and tighten the chuck screw MAINTENANCE fig 14 Mallet Chuck jaws Hex key WARNING To avoid personal i...

Page 19: ...opened 1 Open the chuck 2 The bit does not fit the chuck 2 Use a suitable bit The motor is overheating Be sure the cooling vents are free from dust and obstacles Clean and clear the vents Do not cove...

Page 20: ...notes warnings headline bars continuation tabs notes warnings headline bars continuation tabs notes warnings headline bars continuation tabs notes warnings headline bars continuation tabs notes warni...

Page 21: ...e Button 19 3705301000 Hook 7 2826134000 Motor Gear Assembly 202 2830393000 Electric Assembly 8 3127732000 F R Button 20 2830392000 Electric Assembly 9 5610005000 Tapping Screw 21 3129915000 Button 10...

Page 22: ...warranties are subject to the following conditions and limitations a a bill of sale verifying the purchase and purchase date must be provided b this warranty will not apply to any product or part the...

Page 23: ...be transferred Neither the retailer nor the manufacturer shall be liable for any other expense loss or damage including without limitation any indirect incidental consequential or exemplary damages a...

Page 24: ......

Page 25: ...IMPORTANT Read and understand this instruction manual thoroughly before using the product 1 4 6 4 MM BRUSHLESS IMPACT DRIVER INSTRUCTION MANUAL 054 7547 0...

Page 26: ...headline bars continuation tabs notes warnings headline bars continuation tabs notes warnings headline bars continuation tabs notes warnings...

Page 27: ...bleshooting 18 Parts List 19 Warranty 21 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 This manual...

Page 28: ...9928 4 TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS Rated Voltage 20 V d c Max Torque 2800 in lb No load Speed 0 2800 RPM Impact Rate 0 3300 BPM Collet Capacity Hex 1 4 6 4 mm Maximum battery vol...

Page 29: ...ol should only be serviced by a qualified service technician For more information call the toll free helpline at 1 800 689 9928 READ ALL INSTRUCTIONS THOROUGHLY SAVE THESE INSTRUCTIONS GENERAL POWER T...

Page 30: ...rating a power tool Do not use a power tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal...

Page 31: ...trol Use the power tool accessories and tool bits etc in accordance with these instructions taking into account the working conditions and the work to be performed Use of the power tool for operations...

Page 32: ...maintained Never service damaged battery packs Service of battery packs should only be performed by the manufacturer or authorized service providers IMPACT DRIVER SAFETY WARNINGS SAFETY INSTRUCTIONS...

Page 33: ...t driver Exposure to noise can cause hearing loss Use protective gloves when removing the bit from the tool or allow the clamp to cool down first The bit may be hot after prolonged use Use protective...

Page 34: ...r replaced Failure to heed this warning could result in serious injury Do not let familiarity with the cordless impact driver to cause a lack of alertness A fraction of a second of carelessness is eno...

Page 35: ...variable speed trigger switch on the impact driver by placing the direction of rotation selector forward centre lock reverse in the centre position 2 Align the raised rib on the battery pack with the...

Page 36: ...ig 2 1 Remove the battery from the tool 2 Use a screwdriver not included to loosen the screw that attaches the bit holder to the cordless impact driver 3 Remove the screw and the bit holder INSTALL TH...

Page 37: ...LECTOR fig 5 The direction of rotation of the bit is reversible and is controlled by a selector located above the variable speed trigger switch With the impact driver held in normal operating position...

Page 38: ...OFF centre position 2 With one hand pull the sleeve toward the front of the tool and hold it in place 3 With the other hand insert a 1 4 6 4 mm bit into the hex chuck in the bit retainer 4 Release the...

Page 39: ...to the variable speed trigger switch initially Increase the speed only when full control can be maintained LOOSENING SCREWS AND NUTS fig 8 fig 9 1 Install the correct bit socket 2 Position the directi...

Page 40: ...harged battery will reduce fastening torque Socket size Failure to use the correct socket size will cause a reduction in fastening torque Bolt size Larger bolt diameters generally require higher faste...

Page 41: ...To ensure safety and reliability all repairs should be performed by a qualified service technician MAINTENANCE BEFORE EACH USE 1 Inspect the cordless impact driver the variable speed trigger switch an...

Page 42: ...res TROUBLESHOOTING Problem Possible Causes Solution The bit cannot be installed The sleeve is not released Release the sleeve The bit does not fit the sleeve Use a suitable bit The motor overheats Be...

Page 43: ...19 PARTS LIST EXPLODED VIEW...

Page 44: ...90357000 O Ring 5 3660177000 Spring 22 3129083000 Rear Gear Housing 6 3551835000 Bush 23 2740401000 Stator 7 5700178000 Steel Ball 24 2826357000 Rotor Assembly 8 5660274000 C Ring 25 3129915000 Button...

Page 45: ...due to abuse misuse accidental damage neglect or lack of proper installation operation or maintenance as outlined in the applicable owner s manual or operating instructions or which is being used for...

Page 46: ...transferred Neither the retailer nor the manufacturer shall be liable for any other expense loss or damage including without limitation any indirect incidental consequential or exemplary damages arisi...

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