Frequently Asked Questions about the SANKYO HSG-205 (500/600 rpm) Vertical Sharpener:

1. What is the SANKYO HSG-205 Vertical Sharpener?

The HSG-205 is a compact, portable vertical wet grinder designed for sharpening household cutting tools—kitchen knives, scissors, sickles and various cutlery. It features a timing‐belt drive for smooth, vibration‐free operation and a motor power‐monitor switch for consistent grinding force.

2. What are its key technical specifications?

Voltage: 100 V AC, single-phase, 50/60 Hz

Rated current: 1.7 A (50 Hz) / 1.6 A (60 Hz)

Power consumption: 170 W (50 Hz) / 160 W (60 Hz)

No-load speed: 500 min⁻¹ (50 Hz) / 600 min⁻¹ (60 Hz)

Rated continuous operating time: 30 minutes

Grindstone dimensions: Ø205 × 30 × Ø15.88 mm, WA #1000

Cord length: 1.8 m

Unit size (with water‐flow tap): H 410 × W 235 × D 420 mm

Weight: approx. 10 kg

3. Which grindstone does it use and how do I replace it?

It uses a dedicated WA #1000 abrasive wheel (Ø205 × 30 mm, hole Ø15.88 mm). To replace:

Unplug the machine.

Use the supplied 10 mm and 23 mm spanners to loosen the wheel nut.

Remove the old wheel and install the new one.

Re‐tighten the nut, ensuring the wheel runs true before use.

4. How do I adjust or maintain the water‐cooling system?

The machine includes a water‐flow adjustment tap mounted on the body. Turn it clockwise to increase flow and counterclockwise to decrease. Flush the water channel regularly to prevent sediment buildup and ensure even cooling during wet grinding.

5. What accessories come with the HSG-205?

One WA #1000 grindstone

Spanners (10 mm & 23 mm)

Flat‐head screwdriver

Water‐flow adjustment tap

Instruction manual

6. How should I clean and maintain the grinder?

After each session, drain and rinse the water reservoir.

Wipe away any slurry or metal filings from the guard and wheel housing.

Inspect and replace carbon brushes when worn.

Lubricate spindle bearings annually or after heavy use.

7. What safety precautions are recommended?

Always wear safety goggles and cut‐resistant gloves.

Keep long hair tied back and avoid loose clothing or jewelry.

Maintain at least a 10 cm distance between hands and the rotating wheel.

Do not exceed 30 minutes of continuous use; allow a 10–15 minute cool‐down period.

8. What common problems might occur and how can I troubleshoot them?

Machine overheats: Verify continuous‐use limit and rest machine as needed.

Wheel wobble: Check wheel nut torque and inspect wheel for cracks.

Reduced motor power: Inspect and replace worn carbon brushes, ensure proper voltage supply.

Irregular water flow: Clean or replace the water‐flow tap to remove obstructions.

9. Where can I buy spare parts and consumables?

Distributors include QTE Technologies (qtetech.com/en). Order using model HSG-205 and JAN code 4954458972463 to ensure genuine parts.

10. How does the HSG-205 differ from other Sankyo models?

Compared to smaller or horizontal models, the HSG-205 offers a larger Ø205 mm wheel, higher grinding stability via its motor power‐monitor switch, and dedicated ergonomic design for vertical wet sharpening of diverse household tools.

11. Is there a warranty or service plan?

Standard manufacturer warranty, contact QTE Technologies.

12. Can I sharpen curved or serrated blades?

Yes. The vertical orientation and slim guard profile allow access to R-shaped edges and serrations. Use light, consistent pressure and multiple passes for uniform sharpening on non-straight edges.