Coupling

Question 1

Electric line

Answer 1

• secured at both ends and locked in place
• no burnt or bare wires
• no bent or missing pins

Question 2

Air lines

Answer 2

• both are secured to back of the truck
• no abrasions, bulges, or cuts
• glad hands are securely attached and seals in place
• no leaks

Question 3

Mounting plate

Answer 3

• not bent or broken
• secured to the frame with all hardware in place and tight

Question 4

Release arm

Answer 4

• not cracked or broken
• in the locked position

Question 5

Platform

Answer 5

• not cracked or broken
• secured to the mounting plate
• all welds are good
• hardware is in place and tight

Question 6

Skid plate

Answer 6

• secured with the pivot pin in place
• not cracked or broken
• properly greased
• no gap between skid plate and apron

Question 7

Apron

Answer 7

• secured to the trailer
• not cracked or broken
• no illegal holes or welds

Question 8

Fifth wheel placement

Answer 8

• there is enough space between the rear of the truck and landing gear, and between the back of the tractor and front of the trailer so they do not hit while turning

Question 9

Kingpin

Answer 9

(Move to the back of the tractor, under the trailer)
- secured to the apron
- not bent or broken

Question 10

Locking jaws

Answer 10

• not cracked or broken
• securely attached and locked around the shank of the kingpin