Peterbilt Medium Duty Trucks Operator's Manual after 1-07
Peterbilt Medium Duty Trucks Operator's Manual after 1-07
Peterbilt Medium Duty Trucks Operator's Manual after 1-07
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Brake System<br />
WARNING! Do not use any replacement part in<br />
the brake system unless it conforms exactly to<br />
original specifications. A nonconforming part in<br />
your vehicle's brake system could cause a malfunction<br />
resulting in an injury accident. Consult<br />
you local dealer for suitable replacement parts.<br />
WARNING! Do not work on the brake system<br />
without the parking brake set, the keys removed<br />
from the vehicle, and wheels chocked securely.<br />
If the vehicle is not properly secured to prevent<br />
inadvertent vehicle movement, it could roll and<br />
cause serious personal injury or damage to the<br />
vehicle.<br />
• Use wood blocks (4 in. X 4 in. X 6 in. or<br />
larger) against the front and rear surfaces of<br />
the tires. Be sure the vehicle cannot move.<br />
Brake Fluid Check and Refill<br />
Preventive Maintenance<br />
WARNING! Wear protective clothing when handling<br />
hydraulic fluid. It is mildly toxic and can<br />
cause skin and eye irritation.<br />
WARNING! Use only the type of hydraulic fluid<br />
specified. Do not use or mix different types of<br />
hydraulic fluid. The wrong hydraulic fluid will<br />
damage the rubber parts of the brake system<br />
which may lead to loss of braking and possibly<br />
cause serious personal injury.<br />
CAUTION: Hydraulic brake systems use two distinct<br />
and incompatible fluids. Power steering<br />
fluid is used in the hydraulic brake booster system.<br />
Brake fluid is used in the master cylinder<br />
and brake pipes. Do not mix these fluids when<br />
replenishing the system or seal damage can<br />
result.<br />
CAUTION: Hydraulic brake fluid may damage<br />
painted surfaces of the vehicle.<br />
– 154 – Y53-6008 <strong>Medium</strong> <strong>Duty</strong> (R10/06)