1. Tools of the Trade
Contren #

2. 1.0.0 Introduction to Hand Tools
Installation and Service personnel use a variety of specialized hand tools.
This presentation is a brief summary of some of these tools.

3. 2.0.0 General Hand Tool Safety
Although most hand tools do not present an immediate safety hazard, improper use can result in serious injury.
Use the proper tool for the job.
Keep tools in good working condition.
Know how to use the tool properly.

4. 3.1.0 Strap and Chain Wrenches
Comparable to a pipe wrench.
For pipe and other round objects.
Chain wrench capacity: up to 18” diameter.
Will leave marks on the object surface.
Strap wrench capacity: up to 12” diameter.
For hard or finished surfaces.

5. 3.2.0 Spanner Wrenches
Specialty wrench for nuts with holes or slot instead of flat sides.
Power tool accessory to remove and install tooling.

6. 3.3.0 Taper Gauge
Measures tapered holes and the gap between two surfaces.
Measures tapered holes
Measures gaps

7. 3.4.0 Pipe and Tubing Cutter Cleanly cuts a round pipe.
The attached reamer cleans the inside burr.
Pipe Cutter – cuts pipe
Tubing Cutter – cuts tubing

8. 3.5.0 Putty Knife and Scraper
Scrapes off old gasket material, glue, and other debris from piping and machinery parts.
Keep scraper at an effective angle to remove material.

9. 3.6.0 Drift and Barrel Pins Used to align matching holes.
Drift pin has taper on one end.
Barrel pin has taper on both ends.

10. 3.7.0 Mallets Shape, bend, or move metal parts.
Will not mar or deface the metal surface.
Lead, brass, wood, leather, plastic, or rubber.
Dead-Blow mallets are filled with steel pellets to decrease rebound.

11. 3.8.0 Diagonal Cutters
Cuts thin metal, pins, small wire, and other inaccessible items close to the surface.

12. 3.9.0 Tin and Aviation Snips
Scissors that cuts straight lines and shapes in sheet metal.
Red handle – cuts a curve to the left.
Yellow handle – cuts a straight line.
Green handle – cuts a curve to the right.

13. 3.10.0 Taps and Dies Taps cut internal threads.
Taper tap – easily starts.
Bottoming tap – cuts threads to the bottom of a blind hole.
Pipe tap – tapered to match NPT standards.
Dies cut external threads.
Taper Tap
Bottoming Tap
Die
PipeTap

14. Thread Gauges
Measures thread pitch (threads per inch).

15. 3.12.0 Scribers Mark lines on metal.
Normally, bluing ink is sprayed on surface to make lines more visible.

16. Tension Meters
Measures belt tension.

17. Strobe Lights
Measures timing of cycling parts.

18. Sheave Gauges
Measures the size, and side wall wear, of sheaves and v-belts.

19. Cylinder Hones
Dress the inside walls of cylinder bores when repairing engines, pumps, compressors, etc.
fixed-size cylinder hone
spring-loaded cylinder hone

20. 3.17.0 Gear Pullers Pulls a “press-fit” gear or bearing off a shaft.
Reversible jaws and a pressure bolt in the center of a yoke.
3-jaw puller
slide hammer
pusher puller
Bearing separator

21. Packing Pullers
Removes packing material from packing glands of valves, pumps, and some motors.

22. 3.19.0 Reamers Cuts precisely dimensioned holes.
Drill starter hole with a jobber drill.
Reamers cut in the clockwise direction.
non-adjustable straight
non-adjustable tapered
adjustable straight

23. Inspection Mirrors
Viewing of areas that cannot be seen directly.

24. Retaining Ring Pliers
Removing and installing retaining rings.

25. Extractors
Screw extractors – left-hand flutes to thread out a broken bolts and screws.
A hole must be drilled into the bolt.
Tap extractor – prong ends to thread out a broken tap.
screw and bolt extractors
also called “easy-out”
tap extractor

26. Feeler Gauges
Measures clearance between two parts.

27. Dial Indicators
Precisely measures movement of parts and run-out of rotating parts.

28. 3.25.0 Sleever and Alignment Bars
Move, lift, or align heavy equipment.
Alignment Bar
Sleever Bar

29. 4.0.0 Introduction to Power Tools
Installation and Service personnel use a variety of specialized power tools.
This presentation is a brief summary of some of these tools.

30. 5.0.0 General Power Tool Safety
Almost all power tools present an immediate safety hazard; therefore, improper use can result in serious injury.
Use the proper tool for the job.
Keep tools in good working condition.
Know how to use the tool properly.
Never wear loose-fitting clothing.
Always wear proper protective equipment.

31. 5.1.0 Electrical Power Tool Safety
Do not use in damp or wet conditions.
Protect power cords from damage.
Assure sufficient wattage power cord for tool.
Always use GFCI outlets for power tools.
Power cords must be tied at least 7 feet above floor to prevent tripping hazard.

32. 5.2.0 Pneumatic Power Tool Safety
Air hoses must be clear of water and debris before attaching to tool.
Always check air pressure before use.
Always check oil level in compressor.
Assure hose pressure capacity before using.
Inspect air hoses regularly for damage.
Replace, do not repair, a damaged air hose.
Do not direct nozzle air flow towards anyone.
Do not crimp hose to stop air flow.
Air hoses must be tied at least 7 feet above floor to prevent tripping hazard.

33. 6.0.0 Portable Band Saw
Used to cut structural material and pipe in the field.

34. 6.2.0 Replacing Portable Band Saw Blades
Turn Blade adjustment knob 180*.
Turn saw upside-down.
Remove worn blade.
Insert new blade around pulleys.
Turn blade adjustment knob back 180*.

35. 7.0.0 Portable Grinders
Used for cleaning scale from metal, beveling pipe ends, removing weld splatter, among many other uses.
Portable Grinder Types:
End Grinder
Angle Grinder
Vertical Grinder

36. 7.1.1 End Grinder
In-line arrangement for grinding inside small areas with limited work space such as the inside of pipe walls.
referred to as “die grinder”
referred to as “pencil grinder”
sometimes these are referred to as
“horizontal grinders”

37. 7.1.2 Angle Grinder
Most versatile grinder. Motor and disc spindle at 90* to each other.

38. 7.1.3 Vertical Grinder
Motor and disc spindle in line with each other, but set at 90* to handle.

39. 7.2.0 Grinder Accessories Grinding wheels come in a variety of shapes:
Disc, cone, wheels, and wire brushes.
Direct grinding sparks
away from you, co-workers,
and other objects.
maximum rpm of wheel must be rated higher than rpm of the grinder.

40. 7.2.1 Changing Grinder Accessories
Disconnect power supply.
Depress spindle lock; turn disc until it locks.
Remove locking nut.
Remove wheel.
Install new wheel.
Replace and tighten locking nut.

41. 7.3.0 Pipe Vise
Used to hold pipe for cutting and threading.

42. 8.0.0 Pipe Threading Machine
Multi-purpose power tool that cuts, threads, and reams pipe stock.
Pipe size range from 1/8” to 2” diameter.
Always check thread-cutting oil level before using.
New threads are correct if you can screw a fitting on the pipe 3-1/2 turns by hand.
Universal Die Head – adjust for different pipe sizes.

43. 9.0.0 Geared Threader (Mule)
Used to thread pipe from 2-1/2” to 6”.
Powered by the Pipe Threading Machine.
Be sure that geared threader is secure before using because it develops a lot of torque while threading large pipe.
Drive Shaft – connects to a pipe threading machine

44. Portable Power Drives
Hand-held power unit for cutting and threading pipe, driving hoists and winches, and operating large valves.