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Nemo AG-22-5Li-50 Manual
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Nemo AG-22-5Li-50 Manual

Waterproof cordless angle grinder
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Summary of Contents for Nemo AG-22-5Li-50

  • Page 2 Functional Description and Specifications Intended Use The Nemo Submersible Angle Grinder is the world’s first and only waterproof electric grinder, designed for performing cutting, grinding, polishing, and other high intensity jobs, both underwater and on dry land. Packing List Your Nemo Submersible Angle Grinder is packaged together with the following accessories: ♦...
  • Page 3 Nemo Submersible Angle Grinder Model AG-22-5Li-50 Battery pack voltage 22V 5Ah Li-po Battery cell specification Motor 1500 watt Maximum speed (submerged) 6500 RPM Maximum speed (dry) 9500 RPM Net weight (with battery) 2.9kg (6.39 lbs) Overall length 38cm (15 in) Wheel diameter 115mm (4.5 in)

  • Page 4: Safety Warnings

    Safety Warnings Warning: Read all safety warnings and instructions, and save them for future reference. Failure to adhere to these warnings can result in serious injury and damage to equipment. Work Area Safety ♦ All work should be done in accordance with the local, state, and government occupational safety and health guidelines.
  • Page 5 Nemo Power Tools. Opening the power tool invalidates the manufacturer warranty. ♦ Use power tools and accessories in accordance with these...
  • Page 6 ♦ Only use fiberglass-reinforced depressed center grinding wheels. ♦ Do not use damaged wheels. Check the wheels for damage and flaws by running the tool with the wheel guard and no load for about a minute. In addition, check the wheel for vibration and wobbling, which indicate a loose or unbalanced wheel.
  • Page 7 Rechargeable Battery Safety ♦ Use only the battery pack supplied with your power tool. ♦ When the battery pack is not in use, keep it away from other metal objects like paper clips, coins, keys, nails, and screws, which can make a connection from one terminal to another. ♦...
  • Page 8 Getting Started with the Angle Grinder Your Nemo Submersible Angle Grinder (AG-22-5Li-50) includes the following main components: The On/Off trigger is a dead-man’s switch, and provides important safety functionality. When you release the On/Off trigger, it immediately cuts off power to the motor and stops the angle grinder.
  • Page 9 Charging the Battery The battery is supplied partially charged, and must be charged to full capacity before using the angle grinder for the first time. Caution: Only use the battery charger provided with the angle grinder. Only this battery charger is matched to the Li-po battery supplied with your power tool.
  • Page 10 The battery begins charging as soon as it is connected to the charger. A steady red light on the battery charger indicates that  the battery is charging. A steady green light on the battery charger indicates that  the battery is fully charged. 3.
  • Page 11 2. Place the angle grinder on to the battery. There is only one correct way to position the angle grinder on the battery. 3. Push the angle grinder down until it clicks into place, then close the clips on either side of the battery to lock it in place. The clips hold the battery pack in position and prevent it from detaching.
  • Page 12 Removing a Battery from the Angle Grinder 1. Ensure the speed selector switch is in the Off position (0). Caution: To minimize the risk of accidental activation, ensure the speed selector switch is in the Off (0) position before performing any maintenance on the angle grinder, as well as during transport and storage.
  • Page 13 Fitting the Angle Grinder Wheel Guard The wheel guard protects you from sparks, debris, and fragments if the wheel or disc shatters during use. Always ensure that the closed side of the guard faces toward you. The wheel guard must be in place before mounting all wheels or discs, except for abrasive discs.
  • Page 14 Mounting a Depressed Center Grinding Wheel 1. Ensure the speed selector switch is in the Off position (0). Caution: To minimize the risk of accidental activation, ensure the speed selector switch is in the Off (0) position before performing any maintenance on the angle grinder, as well as during transport and storage.
  • Page 15 4. Press the shaft lock (2) firmly to prevent the spindle from turning, then use the lock nut wrench (1) to screw a lock nut on to the spindle to secure the wheel or disc in place. 5. To remove the wheel or disc, press the shaft lock firmly to prevent the spindle from turning, then use the lock nut wrench to remove the lock nut from the spindle, freeing the wheel and flange.
  • Page 16 Caution: Ensure the wheel guard is fitted with the closed side facing toward you before mounting a diamond wheel. The wheel guard protects you from sparks and debris, as well as from fragments if the wheel shatters during use. 3. Position the diamond wheel (2) on top of the inner flange so that the protrusion on the flange fits in to the arbor of the wheel.
  • Page 17 Mounting a Flex Wheel 1. Ensure the speed selector switch is in the Off position (0). Caution: To minimize the risk of accidental activation, ensure the speed selector switch is in the Off (0) position before performing any maintenance on the angle grinder, as well as during transport and storage.
  • Page 18 5. Press the shaft lock firmly to prevent the spindle from turning, then use the lock nut wrench to screw a lock nut (1) on to the spindle to secure the wheel in place. 6. To remove the wheel, press the shaft lock firmly to prevent the spindle from turning, then use the lock nut wrench to remove the lock nut from the spindle, freeing the wheel, plastic pad, and inner flange.
  • Page 19 4. Press the shaft lock firmly to prevent the spindle from turning, then use the lock nut wrench to screw a lock nut (1) on to the spindle to secure the disc in place. 5. To remove the disc, press the shaft lock firmly to prevent the spindle from turning, then use the lock nut wrench to remove the lock nut from the spindle, freeing the disc and rubber pad.
  • Page 20 Mounting a Wire Cup Brush For International versions of the Nemo Submersible Angle Grinder, use a brush suitable for an M14 (14mm) spindle. For U.S. versions, use a brush suitable for a 5/8 in 11 UNC spindle.
  • Page 21 Mounting a Wire Wheel Brush For International versions of the Nemo Submersible Angle Grinder, use a wheel guard and brush for an M14 (14mm) spindle. For U.S. versions, use a wheel guard and brush for a 5/8 in 11 UNC spindle.
  • Page 22 Pressurizing the Angle Grinder for Underwater Use Your angle grinder can be used in any wet conditions, and can be submerged and used underwater at depths of up to 50m (164ft). Before submerging the Angle Grinder to any depth, it must be pressurized.
  • Page 23 Best Practices for Underwater Operation Your Nemo Submersible Angle Grinder is designed to be waterproof, so that it can be used both on land and underwater. To obtain the maximum serviceable life of your angle grinder, adhere to the following best practices when using the angle grinder underwater: ♦...
  • Page 24 ♦ To further extend the operating time of the battery when working underwater, Nemo Power Tools recommends using discs no thicker than 3mm to reduce underwater drag. ♦ Before inserting the battery in to the angle grinder, check that the O-ring on the battery is present and undamaged.
  • Page 25 Performing Grinding and Sanding Operations 1. Ensure the angle grinder is on and rotating at full speed before making contact with the workpiece. 2. Keep the edge of the wheel or disc at approximately a 15- degree angle to the workpiece. 3.

  • Page 26: Maintenance

    Caution: Under no circumstances should the angle grinder be opened for repairs or any other purpose by anyone other than an after-sales service technician authorized by Nemo Power Tools. Opening the angle grinder invalidates the manufacturer warranty. Transporting the Angle Grinder For maximum protection, always transport your angle grinder secured in its carrying case.

  • Page 27: Troubleshooting

    Caution: Under no circumstances should the angle grinder or accessories be opened for repairs or any other purpose by anyone other than an after-sales service technician authorized by Nemo Power Tools. Opening the Angle Grinder invalidates the manufacturer warranty.
  • Page 28 Problem: The battery charger is warm to the touch. Possible Cause Corrective Action Continuous or repetitive No corrective action is required as charging cycles without a this does not indicate a fault with break may cause the the battery charger. charger to warm up.
  • Page 29 Nemo Power Tools Ltd www.nemopowertools.com...

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