7
Contents
S E C T I O N 1
Shop Equipment, Supplies,
and Safety
C H A P T E R 1
Safety in the
Small Gas Engine Shop
15
Shop Safety 15
Proper Housekeeping 15
Hazardous Materials 16
Personal Protective Gear 17
Proper Ventilation 18
Hand Tool Safety 18
Power Tool Safety 19
Compressed Air Safety 19
Lift Properly 19
Electrical Safety 19
Engine Operating Safety 20
Be Prepared for Emergencies 20
Fire Extinguishers 20
OSHA 20
Material Safety Data Sheets 20
C H A P T E R 2
Tools and Measuring Instruments
23
Introduction 23
Hand Tools 23
Wrenches 24
Pliers 26
Screwdrivers 27
S E C T I O N 1
Shop Equipment, Supplies,
and Safet y
C O N T E N T S
Hammers 27
Punches 28
Seal Drivers 29
Cutting and Forming Tools 29
Probe and Pickup Tools 32
Vises 32
Engine Tools 33
Gear and Flywheel Pullers 33
Flywheel Holders 33
Ridge Reamers 34
Ring Spreaders 34
Ring Compressors 34
Glaze Breakers and Cylinder Hones 35
Valve Spring Compressors 35
Lapping Sticks 36
Engine Test Instruments 36
Power Tools 37
Drills and Drill Presses 37
Bench Grinders 37
Cleaning Tools and Equipment 38
Measuring Instruments 38
Micrometers 39
Micrometer Depth Gauges 43
Vernier Calipers 44
Digital Slide Caliper 45
Dial Caliper 45
Telescoping Gauges 46
Small Hole Gauge 48
Thickness Gauges 48
Combination Square 49
Dial Indicator 49
Screw Pitch Gauge 50
C H A P T E R 3
Fasteners, Sealants, and Gaskets
53
Threaded Fasteners 53
Bolts 54
Nuts 55
Bolt and Nut Terminology 56
Thread Designations 58
Screws 59
Tightening and Loosening Threaded
Fasteners 61
Removing Broken Fasteners 61
Chasing Threads 61