MasterCraft 5331 Instruction Manual
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MasterCraft 5331 Instruction Manual

MasterCraft 5331 Instruction Manual

20v max lithium-ion battery charger
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model no. 5331
IMPORTANT:
Read and understand this instruction manual thoroughly
before using the product.
20V max* LITHIUM-ION

BATTERY CHARGER

INSTRUCTION
MANUAL

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July 2, 2025

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June 4, 2025

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Summary of Contents for MasterCraft 5331

  • Page 1: Battery Charger

    5331 20V max* LITHIUM-ION BATTERY CHARGER INSTRUCTION IMPORTANT: Read and understand this instruction manual thoroughly MANUAL before using the product.
  • Page 2 headline bars continuation tabs notes warnings...

  • Page 3: Table Of Contents

    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 •...

  • Page 4: Technical Specifications

    5331 | contact us 1-800-689-9928 TECHNICAL SPECIFICATIONS Charger Input 120V~, 60Hz, 10W Charger Weight 6 oz (0.16 kg) Optimum Charging Temperature Range 0–40°C (32–104°F) Compatible Mastercraft Batteries 054-3124-0; 054-3125-8 continuation tabs notes warnings...

  • Page 5: Safety Guidelines

    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.
  • Page 6 5331 | 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 adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.
  • Page 7 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 more safely at the rate for which it was designed. •...
  • Page 8 Before using battery charger, read all instructions and cautionary markings on battery charger, battery, and product using battery. • CAUTION – To reduce risk of injury, charge only Mastercraft® 054-3124-0 20V type continuation tabs continuation tabs rechargeable batteries. Other types of batteries may burst causing personal injury and damage.

  • Page 9: Key Parts Diagram

    PACKAGE CONTENTS Battery charger and instruction manual. KEY PARTS DIAGRAM Description Description LED Charger Indicator Charger Base WARNING! • Remove the charger from the package and examine it carefully. Do not discard the carton or any packaging material until all parts have been examined.

  • Page 10: Operating Instructions

    5331 | contact us 1-800-689-9928 OPERATING INSTRUCTIONS WHEN TO CHARGE THE BATTERY PACK The Lithium-Ion battery pack can be charged at any time and will not develop a “memory” when charged after only a partial discharge. It is not necessary to run down the battery pack charge before recharging.

  • Page 11: Maintenance

    CHARGING A HOT BATTERY PACK If the battery pack is above the normal temperature range, the red LED will illuminate. When the battery pack cools down to approximately 104°F (40°C), the charger will automatically begin charging. CHARGING A COLD BATTERY PACK If the battery pack is below the normal temperature range, the red LED will illuminate.
  • Page 12 5331 | contact us 1-800-689-9928 MAINTENANCE BEFORE EACH USE 1. Check for damaged, missing, or worn parts. 2. If abnormal vibration or noise occurs, turn the tool off immediately and have the problem corrected before further use.

  • Page 13: Troubleshooting

    TROUBLESHOOTING Problem Possible Causes Solution The battery pack isn’t The battery pack is not connected to Attach the battery pack to the charging the charger charger again If the problem remains unsolved after performing the checks described above, call the toll-free helpline at 1-800-689-9928.
  • Page 14 5331 | contact us 1-800-689-9928 EXPLODED VIEW continuation tabs continuation tabs notes notes warnings warnings...
  • Page 15 Part No. Description Part No. Description 3126535000 Upper housing 3126536000 Lower housing 4890917000 Pcb assembly 4810206000 Power cord & plug 3705246000 Insulated pad If any parts are missing or damaged, or if you have any questions, please call the toll-free helpline at 1-800-689-9928.

  • Page 16: Warranty

    This Mastercraft product is guaranteed for a period of 2 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;...
  • Page 17 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...
  • Page 19 INSTRUCTION MANUAL 20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH 054-3121-6...
  • Page 20 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.

  • Page 21: Table Of Contents

    TECHNICAL SPECIFICATIONS SAFETY GUIDELINES 4–8 DESCRIPTION OPERATING INSTRUCTIONS 10–14 MAINTENANCE TROUBLESHOOTING PARTS LIST 17–18 WARRANTY 19–20 20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6...
  • Page 22 BATTERY VOLTAGE 20V max* DC COMPATIBLE MASTERCRAFT 1.5 Ah Li-ion (054-3124-0) BATTERIES 3.0 Ah Li-ion (054-3125-8) COMPATIBLE MASTERCRAFT CHARGER 054-3126-6, 5331 *Maximum battery voltage without workload; with workload nominal voltage is 18V. 20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6...

  • Page 23: General Power Tool Safety Warnings

    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.
  • Page 24 Work area safety • 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. •...
  • Page 25 • 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. •...
  • Page 26 • Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, also seek medical help. Liquid ejected from the battery may cause irritation or burns. Service • Have your power tool serviced by a qualified repair person using only identical replacement parts.
  • Page 27 • Place the tool onto the fastener only when the tool is switched off. Rotating wrench tools can slide off of the fastener. • Be careful when driving long screws. There is a risk of the impact wrench sliding off the fastener head, depending on the type of socket or bit used.
  • Page 28 Know your cordless impact wrench Description Description 1/2" Square Anvil Direction-of-rotation selector Trigger switch Bit clip LED worklight Forward/reverse LED indicator 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. WARNING! Do not allow familiarity with the Cordless Impact Wrench to cause a lack of alertness.
  • Page 29 WARNING! Carefully read the Instruction Manuals for your Mastercraft 20V max Lithium-Ion Battery and Mastercraft 20V max Lithium-Ion Charger for safety and operation instructions. To attach battery pack (fig 1) fig 1 CAUTION! Battery-release button Avoid the possibility of accidental starting.
  • Page 30 ON/OFF Trigger switch (fig 2) fig 2 To turn the cordless impact wrench ON, depress the trigger switch. To turn it OFF, release the trigger switch. Variable speed (fig 2) Variable speed Direction-of-rotation The variable-speed trigger switch delivers higher trigger switch selector speed with increased trigger pressure and lower speed with decreased trigger pressure.
  • Page 31 LED Worklight (fig 4) fig 4 The LED worklight, located on the base of the cordless impact wrench will illuminate when the trigger switch is depressed. This provides additional LED Worklight light on the surface of the workpiece for operation in lower light situations.
  • Page 32 Tightening fasteners 1. Lock the trigger switch by placing the direction-of-rotation selector in the OFF (centre) position. Select a hex socket (available separately) that matches the bolt or nut. 2. Mount the socket on the anvil, and grip the bolt or nut to be tightened with the hex socket. 3.
  • Page 33 Loosening fasteners 1. With the proper impact socket securely mounted to the cordless impact wrench, slide the impact socket onto the bolt head. 2. Verify that the rotational direction is “reverse.” 3. Hold the tool securely with both hands and squeeze the trigger switch. The tool will start to impact immediately.
  • Page 34 General maintenance WARNING! To avoid personal injury, always remove the battery pack from the tool when cleaning or performing any maintenance. WARNING! Do not let brake fluids, gasoline, petroleum-based products, penetrating oil, etc. come into contact with plastic parts. These substances contain chemicals that can damage, weaken, or destroy plastic.
  • Page 35 PROBLEM POSSIBLE CAUSES SOLUTIONS The cordless impact The battery is depleted. Charge the battery. wrench does not work. Be sure cooling vents are free from dust and Clean, clear vents. Do not cover with hand The motor is overheating. obstacles. during operation.
  • Page 36 Exploded view 20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6...
  • Page 37 No. Part No. Description No. Part No. Description 5610106000 Tapping Screw 21 5620037000 Screw 3126543000 Cover 22 5650007000 Spring Washer 3421381000 Front Gear Housing 23 3703951000 Bracket 2823347000 Spindle 24 3520658000 Pinion 5700226000 Steel Ball 25 2730195000 DC Motor 3551809000 Impact Block 26 3126501000 F/R Button...
  • Page 38 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;...
  • Page 39 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. IMPORTED BY MASTERCRAFT CANADA TORONTO, CANADA M4S 2B8 20V max* LITHIUM-ION COMPACT CORDLESS IMPACT WRENCH - 054-3121-6...
  • Page 41 INSTRUCTION MANUAL 20V max* (1.5 AH) LITHIUM-ION RECHARGEABLE BATTERY 054-3124-0...
  • Page 42 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.
  • Page 43 TECHNICAL SPECIFICATIONS SAFETY GUIDELINES 4–6 DESCRIPTION OPERATING INSTRUCTIONS 8–10 MAINTENANCE 11–12 PARTS LIST WARRANTY 14–15 20V max* LITHIUM-ION 1.5 AH RECHARGEABLE BATTERY - 054-3124-0...
  • Page 44 20V max* DC CAPACITY 1.5 Ah CHARGE TIME 60 min. BATTERY PACK WEIGHT 15 oz (0.43 kg) BATTERY CHARGER 054-3126-6 5331 *Maximum battery voltage without workload; with workload nominal voltage is 18V. 20V max* LITHIUM-ION 1.5 AH RECHARGEABLE BATTERY - 054-3124-0...
  • Page 45 Rules for safe operation Know your tool To operate this tool, carefully read this Instruction Manual and all labels affixed to the battery pack before using. Keep this Instruction Manual available for future reference. Important This tool should only be serviced by a qualified service technician. For more information, call the toll-free helpline, at 1-800-689-9928.
  • Page 46 Electrical Safety • Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded. • Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
  • Page 47 BATTERY PACK CHARGER 054-3124-0 054-3126-6/5331 • Know your power tool. Read the Instruction Manual carefully. Learn the tool’s applications and limitations, as well as the specific potential hazards related to this tool. Following this rule will reduce the risk of electric shock, fire, or serious injury.

  • Page 48: Description

    Know your lithium-ion rechargeable battery Description Description Electrical Contacts Fuel Gauge Battery-Release Button Before using this product, familiarize yourself with all operating features and safety rules. 20V max* LITHIUM-ION 1.5 AH RECHARGEABLE BATTERY - 054-3124-0...
  • Page 49 Fuel gauge 80-100% Charge 60-79% Charge 40-59% Charge 20-39% Charge Under 20% Charge Completely Discharged This Lithium-Ion battery pack is equipped with a Fuel Gauge, which displays the remaining charge of the battery pack. Press the Fuel Gauge button to display the LED lights. The LED lights will stay lit for approximately 4 seconds.
  • Page 50 Battery protection To protect the battery pack from damage and prolong its life, the battery pack’s circuitry will turn off the battery pack if it becomes overloaded or if the temperature becomes too high during use. This may happen in extremely high torque, binding and stalling situations. The battery pack will begin normal operation when it cools down.
  • Page 51 A fully discharged battery pack will charge about 60 minutes in a surrounding temperature between 0°C (32° F) and 40°C (104° F). 1. Charge the Lithium-Ion battery pack with the correct charger (Mastercraft 054-3126-6, 5331). 2. Connect the charger to a power supply.
  • Page 52 WARNING! To ensure safety and reliability, all repairs should be performed by a qualified service technician. WARNING! When servicing, use only identical replacement parts. The use of any other parts may create a hazard or cause damage to the product. WARNING! To avoid serious personal injury, always remove the battery pack from the tool when cleaning or performing any maintenance.
  • Page 53 Battery pack removal and preparation for recycling To preserve natural resources, please recycle or dispose of batteries properly. This product contains lithium-ion batteries. Provincial or municipal laws may prohibit disposal of Lithium-Ion batteries in ordinary trash. Consult your local waste authority for information regarding available recycling and/or disposal options.
  • Page 54 Exploded view No. Part No. Description No. Part No. Description 01 2770231000 Battery Assembly 07 3126468000 Power Indicator Cover 02 3121038000 Rubber Stick 08 3660522000 Compression Spring 03 3126204000 Plate 09 3704001000 Dust Cover 04 3126465000 Power Pack Cover 10 4870487000 Film Switch 05 3126466000 Power Pack Housing...
  • Page 55 This Mastercraft product is guaranteed two (2) years from the date of original retail purchase against defects in materials and workmanship. Subject to the conditions and limitations described below, this product, if returned to us with proof of purchase within the stated warranty period, and if covered under this warranty, will be repaired or replaced (with the same model, or one of equal value or specification), at our option.
  • Page 56 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. IMPORTED BY MASTERCRAFT CANADA TORONTO, CANADA M4S 2B8 20V max* LITHIUM-ION 1.5 AH RECHARGEABLE BATTERY - 054-3124-0...
  • Page 57 INSTRUCTION MANUAL 20V max* LITHIUM-ION CORDLESS DRILL/DRIVER 054-3118-6...
  • Page 58 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.
  • Page 59 TECHNICAL SPECIFICATIONS SAFETY GUIDELINES 4–8 DESCRIPTION OPERATING INSTRUCTIONS 10–16 MAINTENANCE 17–18 TROUBLESHOOTING PARTS LIST WARRANTY 21–22 20V max* LITHIUM-ION CORDLESS DRILL/DRIVER - 054-3118-6...
  • Page 60 BATTERY TYPE Lithium-Ion BATTERY VOLTAGE 20V max* DC COMPATIBLE BATTERIES 1.5 Ah Li-ion (054-3124-0) 3.0 Ah Li-ion (054-3125-8) BATTERY CHARGER 054-3126-6, 5331 *Maximum battery voltage without workload; with workload nominal voltage is 18V. 20V max* LITHIUM-ION CORDLESS DRILL/DRIVER - 054-3118-6...
  • Page 61 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.
  • Page 62 • 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 use any adapter plugs with earthed (grounded) power tools.
  • Page 63 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 more safely at the rate for which it was designed. •...
  • Page 64 Safety guidelines for cordless drill/driver • Hold power tools by the insulated gripping surfaces when performing an operation where the tool may contact hidden wiring or its own cord. Contact with a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock. •...
  • Page 65 WARNING! Remove the Cordless Drill/Driver from the package, and examine it carefully. Do not discard the carton or any packaging material until all parts have been examined. WARNING! If any part of the Cordless Drill/Driver is missing or damaged, do not attach the battery pack to the tool or use the tool until the part has been repaired or replaced.
  • Page 66 Know your cordless drill/driver Description Description Two-speed gearbox switch LED Worklight Forward/reverse LED indicator Trigger switch Direction-of-rotation selector Torque-adjustment ring Bit clip Keyless chuck WARNING! Do not allow familiarity with the Cordless Drill/Driver to cause a lack of alertness. A fraction of a second of carelessness is enough to cause severe injury.
  • Page 67 WARNING! Carefully read the Instruction Manuals for your Mastercraft 20V max* Lithium-Ion Battery (054-3124-0/054-3125-8) and Mastercraft 20V max* Lithium-Ion Charger (054-3126-6, 5320.3) for safety and operation instructions. To attach battery pack (fig 1) fig 1 CAUTION! Battery-release button Avoid the possibility of accidental starting.
  • Page 68 Trigger switch (fig 2) fig 2 To turn the drill/driver ON, depress the trigger switch. To turn it OFF, release the trigger switch. Variable speed Variable speed (fig 2) trigger switch The variable-speed trigger switch delivers higher Direction-of-rotation selector speed with increased trigger pressure and lower speed with decreased trigger pressure.
  • Page 69 LED Worklight (fig 5) fig 5 The LED worklight, located on the base of the cordless drill/driver, will illuminate when the trigger switch is depressed. This provides additional light on the surface of the workpiece for operation in LED Worklight lower light situations.
  • Page 70 Two-speed gear box (fig 8) fig 8 Slide switch This drill/driver features a two-speed gearbox that is designed for drilling or driving at LO speed or HI speed. A slide switch is located on the top of the cordless drill/driver to select either LO or HI speed. When using the cordless drill/driver in the LO speed range, the speed will decrease and the cordless drill/ driver will have more power and torque.
  • Page 71 Installing a bit (fig 10) fig 10 1. Lock the trigger switch by placing the RELEASE direction-of-rotation selector in the OFF (centre) position. 2. Rotate the chuck in the “OPEN” direction to Keyless chuck release the jaws of the chuck on the bit. 3.
  • Page 72 General drilling (fig 12) fig 12 WARNING! Always wear safety goggles or safety glasses with side shields during power tool operation or when blowing dust. If the operation is dusty, also wear a dust mask. 1. Check the direction-of-rotation selector for the correct setting (forward or reverse). 2.
  • Page 73 Drilling mode operation FOR DRILLING IN WOOD, USE TWIST BITS, SPADE BITS, POWER AUGER BITS OR HOLE SAWS. 1. When drilling “through” holes, place a block of wood behind the workpiece to prevent ragged or splintered edges on the back side of the hole. 2.
  • Page 74 General maintenance WARNING! To avoid personal injury, always remove the battery pack from the tool when cleaning or performing any maintenance. WARNING! Do not let brake fluids, gasoline, petroleum-based products, penetrating oil, etc. come into contact with plastic parts. These substances contain chemicals that can damage, weaken, or destroy plastic.
  • Page 75 Chuck removal (fig 13) fig 13 Mallet The chuck can be removed and replaced with a new one. Chuck jaws 1. Remove the battery. 2. Lock the trigger switch by placing the direction- of-rotation selector in the centre position. Hex wrench 3.
  • Page 76 PROBLEM POSSIBLE CAUSES SOLUTIONS The drill/driver 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. Use a suitable bit. Be sure the cooling vents are free from dust Clean and clear the vents.
  • Page 77 Exploded view No. Part No. Description No. Part No. Description 01 2790306000 Gear Case Assembly 17 4120311001 Lead Resistor 02 2790307000 Motor And Gear Assembly 18 4360225000 03 3126500000 LED Cover 19 4860003000 Inner Wire 04 3126501000 F/R Button 20 4860007000 Inner Wire 05 3126502000 Speed Change Button...
  • Page 78 This Mastercraft product is guaranteed three (3) years from the date of original retail purchase against defects in materials and YEAR 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 LIMITED WARRANTY †...
  • Page 79 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. IMPORTED BY MASTERCRAFT CANADA TORONTO, CANADA M4S 2B8 20V max* LITHIUM-ION CORDLESS DRILL/DRIVER - 054-3118-6...

This manual is also suitable for:

054-3126-6

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