ESMA-4-1/2A12 - Angle Grinder Truper - Free user manual and instructions
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| Product Type | Angle grinder |
| Brand | Truper |
| Model | ESMA-4-1/2A12 |
| Disc Diameter | 115 mm (4-1/2 inches) |
| Power Source | Corded electric |
| Power Input | 850 W |
| No-Load Speed | 11,000 RPM |
| Voltage / Frequency | 120 V / 60 Hz |
| Spindle Thread | 5/8" - 11 |
| Switch Type | Slide switch with lock-on |
| Dimensions (L x W x H) | Approx. 280 x 120 x 130 mm |
| Weight | Approx. 1.8 kg |
| Power Cord Length | 2.0 m |
| Safety Features | Double insulation, protective guard, spindle lock |
| Included Accessories | Side handle, grinding disc, flange wrench, wheel guard |
| Maintenance | Replace carbon brushes periodically; keep air vents clean |
| Spare Parts Availability | Through authorized Truper service centers |
| Repairability | Brushes and switch are user-replaceable; other parts require professional service |
| Warranty | 1 year limited warranty (typical) |
| User Manual | Available in English and Spanish |
Frequently Asked Questions - ESMA-4-1/2A12 Truper
How do I change the grinding disc?
Disconnect the electricity. Press the spindle lock button and rotate the disc until it locks. Use the supplied wrench to loosen the locking nut. Replace the disc, then hand-tighten the nut and secure it with the wrench.
What is the correct speed to use for cutting metal vs. grinding?
The tool operates at a fixed no-load speed of 11,000 RPM. For cutting, use a thin cutting disc; for grinding, use a thicker grinding disc. Do not force the tool; let the disc do the work.
How do I replace the carbon brushes?
Unplug the grinder. Locate the carbon brush caps on the motor housing, unscrew them, and remove the worn brushes. Insert new brushes, ensuring they seat correctly, and tighten the caps. Run the tool for a few minutes to seat the brushes.
What safety precautions should I follow?
Always wear safety goggles, ear protection, and heavy-duty gloves. Keep the guard in place. Do not use damaged discs. Hold the grinder with both hands and never place it down until it stops completely.
Can I use this grinder for wood or plastic?
The grinder is designed for metal and masonry with suitable discs. For wood or plastic, use special cutting discs designed for those materials, and ensure the speed rating exceeds 11,000 RPM.
How should I clean the angle grinder?
Unplug the tool. Clean the exterior with a dry cloth. Use compressed air to blow dust from the air vents and motor area. Do not use solvents or immerse the tool in water.
What is the spindle thread size?
The spindle has a 5/8" - 11 thread, which is a common size for 4-1/2" angle grinders. Ensure any accessory has the correct mounting hole.
My grinder is overheating; what can cause this?
Overheating can be caused by a blocked air vent, worn out brushes, or excessive pressure during use. Clean the vents, check/replace brushes, and avoid stalling the motor. Let the tool cool down if it becomes hot.
Is the side handle adjustable?
Yes, the side handle can be mounted in several positions (left, right, or top) by unscrewing the locking knob and positioning the handle as needed.
How should I store the grinder after use?
After use, unplug and allow it to cool, wipe clean, and store in a dry place. Protect the disc from impact and keep the tool out of reach of children.
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USER MANUAL ESMA-4-1/2A12 Truper
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Product information
Brand : Truper
Model : ESMA-4-1/2A12
Category : Angle Grinder