Pre-trip inspection Tractor

Question 1

Brake pads minimum thickness

Answer 1

1/4” on class A & B, 1/8” on pickups

Question 2

Max movement on fan belt (s)

Answer 2

3/4”

Question 3

Exhaust leak evidence?

Answer 3

Soot at point of leak

Question 4

Brake line (OOS) Out of Service?

Answer 4

Nylon fiber showing, actual leak

Question 5

Steer axle critical brake components?

Answer 5

Hose, chamber, pushrod, keeper/kotter pins, auto slack adjusters, drum, brake pad thickness.

Question 6

OOS leaf springs?

Answer 6

Misaligned, cracked, broken or missing

Question 7

OOS shock absorber?

Answer 7

Bent, cracked cylinder, leaks

Question 8

(DS) Driver side, steering components?

Answer 8

Steer shaft, pump, hoses, gearbox, pitman, U/L knuckles, Castle nuts, kotter pins

Question 9

When is inside wheel seal OOS?

Answer 9

When it’s leaking oil, in drum then wheel then tire

Question 10

Steer tire minimum tread depth

Answer 10

4/32nds

Question 11

What are A, B, C, & D, abbreviations for on tires?

Answer 11

Abrasions, Bulges, Cuts, Depth (tread)

Question 12

When is a wheel on steer axle OOS?

Answer 12

When it’s bent or cracked

Question 13

Outside wheel seal OOS?

Answer 13

Leaking oil obvious on outside of wheel and tire

Question 14

DS truck components, Mirror to rear of cab?

Answer 14

Mirror, door, latch, fuel tank/steps, side light, steps/cat walk, airlines/elect cord (pig tail)

Question 15

Quarter fender to mud flap

Answer 15

Quarter fender, rear lights, color/condition, flaps, clearance from landing gear.

Question 16

5th wheel (coupling system) components

Answer 16

5th wheel platform, mounting pin/keeper bolt, release arm, airline for locking pin ram, locking pins, slide rail/teeth slide rail frame mount, locking mechanism around shank, kingpin condition.