Section 3: Trailer And Coupling

Question 1

Start off with COUPLING SYSTEM AND FIFTH WHEEL

Answer 1

Don’t forget

Question 2

Reflectors

Answer 2

• must not be CBF

Question 3

Trailer walls

Answer 3

• not CB and no holes
• PS by rivers
• no more than 14 ft in height

Question 4

Lights

Answer 4

• Not CBF
• lights turn on/ off and work properly
• have rubber support around it ( no AC)

Question 5

Landing gear

Answer 5

• PSNB
• should go up and down
• Crank handle should not be CBB
• Shoe should be flexible to adjust to ground

Question 6

Support Bar

Answer 6

• not CBD
• PSNB
• NIW

Question 7

Trailer support

Answer 7

• Not CBB

- PSNB

Question 8

Axles/ differentials

Answer 8

• Not CBB
• PSNB
• no OLL

Question 9

Air tank

Answer 9

• not CBL, no air leaks

- PSNB to chassis

Question 10

Stabilizer bar

Answer 10

• not CBD
• NIW
• “There is no shock”

Question 11

Spring mounts

Answer 11

• not CBD
• welded onto chassis NIW
• spring hangers are not CBB

Question 12

Leaf Springs

Answer 12

• No CBM
• no missing leaf springs
• If a 1/4 or more are missing or broken it will put the vehicle out of service

Question 13

U Bolts

Answer 13

• not CBD
• no missing bolts
• PSNB

Question 14

Torque Arm

Answer 14

• not CBB
• PSNB
• One adjustable torque arm ( drivers side) and one fixed (passenger side)

Question 15

Brake chamber

Answer 15

• not CBL (leaking)
• PSNB
• PSC

Question 16

Brake hose

Answer 16

• No ABC

- PSC

Question 17

Push Rod

Answer 17

-not CBD
- PSNB
-must have 1 inch of free play
-

Question 18

Slack adjuster

Answer 18

• no CBD
• PSNB
• PSSP

Question 19

Brake shoes

Answer 19

• not CB

- no less than 1/4 of an inch

Question 20

Brake drums

Answer 20

• no CBD and OLL
• PSNB
• NIW

Question 21

Tires

Answer 21

• inflation: Between 90 and 105 PSI or manufacture recommendation
• Condition: No ABC, no nails, evenly worn
• Tire depth: no less than 2/32 of an inch
• No space between tire and rim
• 4 inches of space between each tire, no debris between the tires.

Question 22

Rim

Answer 22

• not CBD
• NIW
• PSNB

Question 23

Lug nuts

Answer 23

• Bolt holes are CB
• no missing lug nuts
• Not oxidize in properly secured

Question 24

Axle seal

Answer 24

• not CBL
• PSNB
• Must be well greased
• No OLL

Question 25

Air valve

Answer 25

- not CBD - no air leaks - must have cap - not touching the rim

Question 26

Splash guard

Answer 26

- no AC - PSNB - Not touching the ground or the tire

Question 27

Guide light

Answer 27

- turns on/ off properly - not CBF - PSNB - Must have rubber seal, not damaged or cut (AC)

Question 28

Bumper

Answer 28

- not CBD | - PSNB

Question 29

Couplers

Answer 29

- Blue is service/ Red is for trailer - Must not be missing seal - No air leaks!

Question 30

Pintle hook

Answer 30

- not CBB - PSNB - no loose or missing nuts - PSSP (Must have a safety pin and cotter pin)

Question 31

Electric connector

Answer 31

- not CBB - PSNB - PSSP,not missing pins

Question 32

License plate

Answer 32

- PSNB | - visible with white light

Question 33

Signal Lights

Answer 33

- must not be CBF - Rubber support around lights CB - must turn on/ off properly

Question 34

Door

Answer 34

- Opens and closes properly | - Has a latch to lock the door

Question 35

Clearance lights

Answer 35

- not CBF - be of amber color - must turn on/off and be working properly

Question 36

Exhaust

Answer 36

- not CBDL - welding not broken and NIW - PSC

Question 37

Reflectors

Answer 37

-not CBF or missing