Part C (Trailer) & Coupling Flashcards
- Green Electrical Wire, Blue Service Line, Red Emergency Line
Green Electrical Wire is not cracked, peeled, or burnt, both sides locked in.
Blue Service Line & Red Emergency Line: Connections are tight with Tractor side, not cut, cracked, or leaking, Glad Hands not cracked or leaking, always locked in place, all 3 lines always in hanging position, not touching the frame.
- Fifth Wheel Skid Plate
Check for lubrication, no missing pins or bolts, securely mounted.
- Release Arm
Easy lock, easy unlock, always in locked position.
- Fifth Wheel Platform & Mounting Bolts
Not cracked or broken, no illegal welding, no nuts or bolts missing, all nuts & bolts fully tight, no broken welds, securely mounted.
- Kingpin/Apron/Gap
Kingpin not bent, Apron not cracked or damaged, no gap between Apron and Skid Plate.
- Locking Jaws
Check Fifth Wheel gap, should be fully closed around Kingpin.
- Header Board and Side Wall
Secure, no damage, no cracks, holes, or missing rivets, strong enough to contain cargo.
- Trailer Side Lights and Clearance Lights
Amber color in front, no cracked or fused bulbs, all lights always clean, working good & securely mounted, D.O.T./Reflector Tape not damaged, always clean.
- Trailer Frame
No cracks, broken welds, holes or damage to Frame, Cross Members, Box & Floor.
- Spring Mounts
Not cracked or broken, no illegal welding, no nuts and bolts missing, securely mounted.
- Leaf Springs
No missing, shifted, cracked, bent, or broken Leaf Springs. Not broken more than 1/4 inch, no gap between leaves, no illegal welding, securely mounted.
- U-Bolts & Spacer
Spacer not damaged or missing, U-Bolts not cracked, bent, or broken. U-Bolts fully tight, securely mounted.
- Torque Arm
Not cracked, bent, or damaged. Securely mounted.
- Brake Hoses
No cuts, cracks, bubbles, or leaks, connections are fully tight, securely mounted.
- Brake Chamber
Not cracked, bent, broken, or leaking, clamp is fully tight, securely mounted.
