Tools / Power Tools
Operating Instructions for HiKOKI G 18ST, G 23ST, G 18SW2, G 23SW2 Angle Grinder
Quick guide for the HiKOKI G 18ST, G 23ST, G 18SW2, and G 23SW2 angle grinders. Includes safety instructions, mounting, operation, maintenance, and technical specifications.
Table of contents
Quick guide from the manual
This manual provides essential information for the safe and efficient operation of the HiKOKI G 18ST, G 23ST, G 18SW2, and G 23SW2 angle grinders. Always read the full safety warnings before use.
Safety Information
General Power Tool Safety: Keep the work area clean and well-lit. Do not operate in explosive atmospheres. Keep children and bystanders away. Use personal protective equipment, including eye protection, dust masks, and hearing protection.
Grinding and Cutting Safety: Ensure the wheel speed rating is equal to or greater than the grinder's rated speed. Use only recommended wheel types and appropriate guards. Do not use damaged accessories. Always maintain a firm grip and be prepared for kickback.
Mounting and Operation
Before starting, ensure the power switch is in the OFF position. Follow these steps for setup:
- Wheel Guard: Ensure the guard is securely attached and positioned for maximum safety.
- Side Handle: Fix the side handle securely to the tool.
- Wheel Assembly: Ensure the depressed center wheel or cutting wheel is correctly mounted and the wheel nut is securely tightened.
- Switch Operation: Familiarize yourself with the switch operation (with or without lock-on).
Maintenance and Inspection
Regular maintenance is crucial for tool longevity and safety:
- Wheel Inspection: Regularly check the depressed center wheel for cracks or surface defects.
- Mounting Screws: Periodically inspect all screws to ensure they are properly tightened.
- Carbon Brushes: Inspect carbon brushes regularly. Replace them when they are worn to or near the wear limit. Keep them clean and ensure they slide freely in the brush holders.
- Motor Maintenance: Keep the motor unit winding clean and free from oil or water.
Manufacturer information
HiKOKI
Practical help
Common problems
Excessive vibration during operation
Check if the grinding wheel is correctly mounted and the wheel nut is securely tightened.
Motor trouble or loss of power
Inspect the carbon brushes for wear. Replace them if they are worn to or near the wear limit.
Before use
- Ensure the power source voltage matches the nameplate.
- Check that the power switch is in the OFF position.
- Inspect the grinding wheel for cracks or surface defects.
- Ensure the wheel guard is securely attached.
- Wear appropriate personal protective equipment (eye, ear, dust protection).
Images and diagrams
- Fig 1: Fitting and adjusting the wheel guard.
- Fig 2: Fixing the side handle.
- Fig 3: Assembling the depressed center wheel.
- Fig 4: Assembling the cutting wheel.
- Fig 7: Inspecting and replacing carbon brushes.
Model compatibility
- Use only wheel types recommended for this power tool.
- Do not use separate reducing bushings or adapters to adapt large hole abrasive wheels.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.