Commercial Driver Handbook ( PDF ) - California Department of ...

Right Side
• Right front: check all items as done on left front.
• Primary and secondary safety cab locks are
engaged (if a cab-over-engine design).
• Right fuel tank(s):
— Securely mounted, and not damaged or
leaking.
— Fuel crossover line is secure.
— Tank(s) contain enough fuel.
— Cap(s) on and secure.
Condition of Visible Parts
• Rear of engine is not leaking.
• Transmission is not leaking.
• Exhaust system is secure, not leaking, and not
touching wires, fuel, or air lines.
• Frame and cross members have no bends or
cracks.
• Air lines and electrical wiring are secured
against snagging, rubbing, and wearing.
• Spare tire carrier or rack is not damaged, if
so equipped.
• Spare tire and/or wheel is securely mounted
in rack.
• Spare tire and wheel is adequate (proper size
and properly inflated).
Cargo Securement (Trucks)
• Cargo is properly blocked, braced, tied,
chained, etc.
• Header board is adequate, secure (if required).
• Side boards and stakes are strong enough,
free of damage and properly set in place, if
so equipped.
• Canvas or tarp (if required) is properly secured
to prevent tearing, billowing, or blocking of
mirrors.
• If oversize, all required signs (flags, lamps,
and reflectors) are safely and properly mounted
and all required permits are in the driver’s
possession.
• Curbside cargo compartment doors are in good
condition, securely closed, latched/locked, and
required security seals are in place.
Right Rear
• Condition of the wheels and rims—no missing,
bent, or broken spacers, studs, clamps, or lugs.
• Condition of tires—properly inflated, valve
stems and caps okay, and no serious cuts,
bulges, or tread wear, tires are not rubbing
each other, and nothing is stuck between them.
• Tires same type (e.g., not mixed radial and
bias types).
• Tires are evenly matched (same sizes).
• Wheel bearing/seals are not leaking.
Suspension
• Condition of the spring(s), spring hangers,
shackles, and u-bolts.
• Axle is secure.
• Powered axle(s) are not leaking lube (gear oil).
• Condition of the torque rod arms and bushings.
• Condition of the shock absorber(s).
• If retractable axle equipped, check the condition
of the lift mechanism. If air powered, check
for leaks.
• Condition of the air ride components.
Frame
6 Leaf
Steel Spring
Torque
Rod
Side View
Hydraulic
Shock Absorber
Bearing Plates
Auxiliary
Spring
Axle
Figure 2-2
Front
Axle
Main
Spring
Vehicle
Frame
Vehicle
Frame
Shackle
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