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WELCOME TO HEATING VENTELATION, AIR CONDITIONING, & REFRGERATION I & II
Tools and Supplies
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Objectives
• Explain how to use various hand tools.
• Select the appropriate tool for a specific task.
• Monitor temperature with various thermometers.
• Identify different types of fastening methods and
devices.
• Compare cleaning methods and the use of
various solvents.
• Identify basic supplies needed on a typical
installation or service call.
• Follow approved safety procedures.
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Hand Tools
• Choose quality tools
• Use tools properly
• Take care of them
• Avoid abuse and carelessness
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Wrenches
• Proper use
– Use a wrench that fits completely on a nut or bolt
– Insert sockets all the way onto the nut or bolt head
– Pull rather than push on wrench
– Avoid pounding on a wrench to increase torque
• Characteristics
– Good alloy steel
– Heat-treated
– Accurately machined
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Wrenches Used in HVACR
• Complete set of both standard and metric
wrenches (in vehicle)
• Preferred use priority:
1. Socket wrenches
2. Box end wrenches
3. Open end wrenches
4. Adjustable wrenches
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Socket Wrenches
• Handle with socket on one end
• Ratcheting square shaft to hold sockets
• Handle
– Turning in one direction turns shaft and socket with
handle
– Turning in other direction moves handle but not
shaft and socket
– Button or switch on socket head changes direction
of rotation
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Nut Driver
• Small, direct-drive socket wrench
• Fixed head on most, but some can be fitted with
assorted socket heads
Klein Tools, Inc
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Box End Wrenches
• Enclosed gripping head
• Used where socket wrench cannot fit
• Less likely to slip than open end wrenches
• Types
– Straight
– Offset
– Double offset
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Open End and Combination Wrenches
• Open end wrench
– Gripping head has opening
– Can be slid on nut or bolt from side
– Used when socket and box end wrenches cannot
be used
• Combination wrench
– Open end
– Box end
Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.
Other Types of Wrenches
• Adjustable wrench
• Pipe wrench
• Flare nut wrench
• Hex Key wrench
• Torx® wrench
• Refrigeration service valve wrench
• Torque wrench
CREDITS AND REFERENCES
SOFTWARE
MICROSOFT POWER POOINT 2013
BLENDER 2.73
GOODHEART & WILCOX
PRINTED MATERIALS
GOODHEART/WILCOX; MODERN REFRIGERATION AND AIR CONDITIONING
PRODUCTION AND DESIGN
FRED WILLIAM BROWN SR. CSME HVAC-R

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Chapter 3 part1

  • 1. WELCOME TO HEATING VENTELATION, AIR CONDITIONING, & REFRGERATION I & II
  • 2.
  • 4. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Objectives • Explain how to use various hand tools. • Select the appropriate tool for a specific task. • Monitor temperature with various thermometers. • Identify different types of fastening methods and devices. • Compare cleaning methods and the use of various solvents. • Identify basic supplies needed on a typical installation or service call. • Follow approved safety procedures.
  • 5. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Hand Tools • Choose quality tools • Use tools properly • Take care of them • Avoid abuse and carelessness
  • 6. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Wrenches • Proper use – Use a wrench that fits completely on a nut or bolt – Insert sockets all the way onto the nut or bolt head – Pull rather than push on wrench – Avoid pounding on a wrench to increase torque • Characteristics – Good alloy steel – Heat-treated – Accurately machined
  • 7. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Wrenches Used in HVACR • Complete set of both standard and metric wrenches (in vehicle) • Preferred use priority: 1. Socket wrenches 2. Box end wrenches 3. Open end wrenches 4. Adjustable wrenches
  • 8. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Socket Wrenches • Handle with socket on one end • Ratcheting square shaft to hold sockets • Handle – Turning in one direction turns shaft and socket with handle – Turning in other direction moves handle but not shaft and socket – Button or switch on socket head changes direction of rotation
  • 9. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Nut Driver • Small, direct-drive socket wrench • Fixed head on most, but some can be fitted with assorted socket heads Klein Tools, Inc
  • 10. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Box End Wrenches • Enclosed gripping head • Used where socket wrench cannot fit • Less likely to slip than open end wrenches • Types – Straight – Offset – Double offset
  • 11. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Open End and Combination Wrenches • Open end wrench – Gripping head has opening – Can be slid on nut or bolt from side – Used when socket and box end wrenches cannot be used • Combination wrench – Open end – Box end
  • 12. Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc. Other Types of Wrenches • Adjustable wrench • Pipe wrench • Flare nut wrench • Hex Key wrench • Torx® wrench • Refrigeration service valve wrench • Torque wrench
  • 13. CREDITS AND REFERENCES SOFTWARE MICROSOFT POWER POOINT 2013 BLENDER 2.73 GOODHEART & WILCOX PRINTED MATERIALS GOODHEART/WILCOX; MODERN REFRIGERATION AND AIR CONDITIONING PRODUCTION AND DESIGN FRED WILLIAM BROWN SR. CSME HVAC-R