ANSI B7.5 : 1990

Section 1 - Scope and definitions
1.1 Scope
1.2 Definitions
1.2.1 Shall and should
1.2.2 Power source
1.2.3 Clutch
1.2.4 Wheel guard
1.2.6 Spindle
1.2.7 Abrasive wheel mount
1.2.8 Flanges
1.2.9 Blotters
1.2.10 Arm
1.2.11 Choke control
1.2.12 Run/stop control
1.2.13 Throttle control system
1.2.14 Throttle control latch
1.2.15 Throttle control trigger
1.2.17 Carburetor
1.2.18 Fuel tank
1.2.19 Exhaust system
1.2.20 Muffler
1.2.21 Abrasive cutting-off wheel
1.2.22 Wheel speed
1.2.23 Revolutions per minute
1.2.24 Surface feet per minute
1.2.25 Abrasive surface
1.2.26 Reducing bushing
1.2.27 Arbor hole
1.2.28 Wheel manufacturer
1.2.29 Machine builder
1.2.30 User of wheels and machines
1.2.31 Speed regulator or governor
1.2.32 Idle speed
Section 2 - General machine construction
2.1 Machine design
2.1.1 Throttle control system
2.1.2 Throttle control trigger guard
2.1.3 Throttle control latch
2.1.4 Throttle control linkage
2.1.5 Carburetor
2.1.6 Run/stop control
2.1.7 Choke control
2.1.8 Fuel tank
2.1.9 Exhaust system
2.1.10 Clutch
2.1.11 Arm
2.1.12 Belt guard
2.1.13 Wheel guard
2.1.14 Abrasive wheel mount or spindle
2.1.15 Flanges
2.1.16 Blotters
2.1.17 Direction of machine spindle thread
2.1.18 Warning data
2.1.19 Abrasive cutting-off wheels
2.1.20 Speed regulation
2.2 Abrasive cutting-off wheel design
2.2.1 Arbor hole size
2.2.2 Wheel manufacturer's testing speeds
2.2.3 Special maximum operating speeds
2.2.4 Diamond wheels for dry cutting
Section 3 - Care of machines and wheels
3.1 Machine care
3.1.1 Power source and clutching
3.1.2 Arm
3.1.3 Belt guard
3.1.4 Wheel guard
3.1.5 Abrasive wheel arbor hole and flanges
3.1.6 Periodic maintenance
3.2 Care of abrasive cutting-off wheels
3.2.1 Storage
3.2.2 Care of diamond wheels
Section 4 - Machine operation
4.1 Machine inspections
4.1.1 Wheel installation
4.1.2 Abrasive cutting-off wheel mount or spindle size
4.1.3 Surface condition
4.1.4 Reducing bushings
4.1.5 Tightening of the mounting nut or bolt
4.1.6 Wheel guard
4.1.7 Speed check
4.1.8 General machine inspection
4.2 Use of machines and wheels
4.2.1 Starting the machine
4.2.2 Wet cutting
4.2.3 Side cutting
4.2.4 Lubrication
4.2.5 Abrasive cutting-off wheel mount or spindle
4.2.6 Investigation after wheel breakage
4.2.7 Operator safety precautions dos and don'ts
Appendix of explanatory information

Outlines rules and specifications for safety requirements relating to construction, use and care of gasoline powered, portable, hand held, abrasive cutting off machines.