Cdl Flashcards
Front steer spring suspension
1 frame (not cracked no drill holes or illegal repairs welds
2 spring hanger (not cracked or missing bolts)
3 eye-bolt
4 main spring (nothing cracked)
5 leaf spring (no more than 25% cracked or missing none shifted
6 c-clamps
7 U S A (u-bolts-saddle-axle)
8 shock absorber (not dented not leaking with upper and lower rubber bushing
9 spring hanger
10 spring shackle
Air Drive Suspension
1 Frame (Not cracked no drill holes or illegal repairs welds)
2 brackets (not cracked or missing bolts)
3 eye bolt
4 control arm (nothing
Steering wheel
Properly mounted and secure no cuts or gouges, with the engine on no more than 2” of free play on 20” wheel or 10 degrees on any other size wheel.
Also check city/electric horn.
Brake Pedal
No obstruction around or behind with a rubber or anti slip surface with a working return spring, (firm and does not touch the floor)
Clutch Pedal
No obstruction around or behind with a rubber or anti slip surface with a working return spring (minimum free play 1” to max 1 1/2”
Fuel Pedal
No obstruction around or behind with a rubber or anti slip surface with a working return spring, (does not stick
Horns
2 horns
City/electric
Air/highway
Emergency equipment
1 fire extinguisher: secured, fully charge, pin in place. Minimum 10 BC and up to date
2 reflective triangles: 3 that stand on their own
3 spare fuses 1 for every type and size equipped in vehicle
4 seat belt: secured, no cuts or tears not frayed, latches and unlatches
Steer tires
1 no recaps
- At least 4/32 in every major groove
- Proper air pressure 90-100 psi or manufactured specs
- Same size per axle
- Same type per vehicle (radial or bias-ply)
- Valve stem centered, metal, capped and not leaking
Dual tires
- Can be recapped
- At least 2/32 in every major groove
- Proper air pressure 90-100 psi or manufactured specs
- Same size per axle
- Same type per vehicle (radial or bias-ply)
- Valve stem centered, metal, capped and not leaking
- No lodge objects in between
- 3-5” in between
- Not touching each other
- No tread separation
Rims
- Not cracked
- Not dented
- No illegal repairs (welds)
Lug Nuts
- None missing
2. No rust trails, or shiny threads
Axle seal cover / hub
- Not leaking
- No missing bolts
- Adequate oil level
(4-8 o’ clock on sight glass)
90 weight gear oil
Head lights
Clean not cracked or broken
2 functions low visibility 250-350’
High visibility 350-500’
Brake lights
The two inner lights in the rear of the trailer
Turn signals
Clean not cracked or broken
Amber color facing front.
Red color facing rear.
3 functions
- Running
- Turning
- 4 ways
Tail lights
All lights in the back of the trailer
All red except lic nose plate light
2 functions to the inside.
- running
- Braking
3 functions to the outside
- Running
- Turning
- 4-ways
Lights on top of the cab
Clean not cracked or broken
Amber color facing front
Red color facing rear
All lights identify division 2 vehicle.
The 3 in the center are I.d lights 80” wider or 25’ or longer
2 to the outside are clearance and or marker lights signify vehicle is up to 13’-6”
Windshield
Clean not cracked or broken
No obstruction of view
Driver’s side ( safety inspection sticker)
Passenger side ( S.O.S insurance verification)
From the top
- Park on level ground and or chock the wheels
- Build air pressure 100-125 psi or manufactured specifications.
- Put truck in low gear
- Shut truck off
- Release clutch
- Release all brakes
- Let air pressure stabilize 12-15 seconds
Static
- Foot off brake pedal
- Cannot lose more than 3psi per minute in a combination vehicle (2 psi single)
- checking emergency side of system for leaks
Applied
- Foot firmly on brake pedal
- Cannot lose more than 4psi in one minute in a combination vehicle (3psi single)
- Checking emergency and service side of system for leaks
Fan-1 (electrical low air pressure warning light and or buzzer)
- (Engine off/ key on)
2. Fan brakes down, a light and or a buzzer should come on by 60 psi or before
Fan 2- (pop out valve test) check T.P.V (tractor protection valve)
- Continue fanning down
- 20-45 psi trailer air supply should pop out first, applying trailer spring brakes (to prevent a jack-knife)
- 20-40 psi parking brake will come on
Governor
- CUT IN 100 psi or below
2. CUT OUT 125 psi or manufactured specs
