Hardware

Question 1

Why should only the proper type and style of rigging attachments be used?

Answer 1

Extreme loads and stresses are put on these items and they could fail which. an result in injury or equipment damage

Question 2

Why should only the proper type and style of rigging attachments be used?

Answer 2

Extreme loads and stresses are put on these items and they could fail which. an result in injury or equipment damage

Question 3

What are the four requirements for proper rigging hardware?

Answer 3

Be forged type
Have size stamped on them
Size/capacity
Manufacture

Extra:Meet or exceed load ratings

Question 4

What is the efficiency of cable clamps?

Answer 4

Below 1 inch - 80%
1 inch and above - 90%

Question 5

What is the rule of thumb formula for number of clips?

Answer 5

Number of wire rope clips=the diameter of the rope x 3 + 1 to the next whole number

Question 6

What are the five steps for proper U bolt clip installation?

Answer 6

1. Place first clip on width from dead end of rope, U bolt over dead end, tighten bolts evenly to recommended torque
2. Apply second clip nearest eye as possible, U bolt over dead end, smug bolts but DO NOT tighten
3. Evenly space remaining clips between the first two
4. Tightened all nuts to recommended torque, apply tension
5. Recheck but torque after rope has been in use, reapply tension

Question 7

What are three main types of shackle pins are round, screw and safety?

Answer 7

Round

Screw

Safety (Bolt type)

Question 8

What are some of the rules for proper shackle use?

Answer 8

• Always use a cotter pin when required
• Use proper pin, never replace with a bolt
• Never use a screw pin shackles if the pin can roll under load
• Shackle pins are:
  1/16” larger than bow sizes up to 1/16”
  1/8” larger than bow sizes 1/2 to 1 5/8”
  1/4” larger than the bow sizes 1 3/4” and over
• Generally shackles are meant for inline pulls
• Larger si3 should be used when lifting a load with two slings spread out at wide angles
• The pin of the shackle is hung on the hook, loads are placed in the anchor part of the shackle
• Washers can be used as spacers to keep shackle hanging openly

Question 9

What are OSHA regulations for hook inspections

Answer 9

Maximum shank stretch 5%

Maximum body stretch 10%

Maximum throat section wear 10%

Maximum twist or bend 10 degrees

Question 10

What are the different types of turnbuckle fittings?

Answer 10

Weldless ring

Pear shaped links

Swivels

End links

Master links