Peterbilt Medium Duty Truck Owner's Manual - Peterbilt Motors
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Peterbilt Medium Duty Truck Owner's Manual - Peterbilt Motors

Peterbilt Medium Duty Truck Owner's Manual - Peterbilt Motors Peterbilt Medium Duty Truck Owner's Manual - Peterbilt Motors

peterbilt.com
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20.05.2014 Views

Brake System Make sure that the fluid level registers on or above the fluid level mark molded on the reservoir - add more if necessary, as follows: 1. Remove each reservoir cap and extract the rubber diaphragm from each reservoir. 2. Fill each reservoir with clean hydraulic fluid of the approved specification (DOT 3 brake fluid). 3. Insert the rubber diaphragms into the reservoirs. REFILL CAPS Preventive Maintenance WARNING! If the brake fluid reservoir requires an excessive amount of hydraulic fluid, the complete system must be inspected for leaks and repaired if necessary (consult your nearest Peterbilt dealer). Failure to keep the brake system in good repair may lead to loss of braking and possibly cause an accident resulting in death or serious personal injury. Service Brake Component Inspection Remove each wheel to inspect the brake components. WARNING! When replacing disc brake pads, be sure to use the same lining material on both axles. Mixing lining types can result in unbalanced braking, increased pad wear, or degraded stopping performance possibly cause an accident resulting in death or serious personal injury. Consult your nearest Peterbilt dealer. BOOSTER AND MASTER CYLINDER ASSEMBLY 4. To prevent leakage from the reservoirs, ensure that the seal in each reservoir cap is in good condition before refitting the cap. Disc brake pads Visually inspect all brake pad linings. Brake pads should be replaced when the remaining lining reaches 3⁄16 inch thickness or less. – 190 – Y53-6027 Medium Duty (R05/09)

Preventive Maintenance BRAKE PADS CALIPERS It is recommended that all disc brake pads be replaced at the same time since this will maintain balanced braking. At a minimum, replace all disc brake pads on one axle, both ends, at the same time. ANCHOR PLATES FRONT ROTORS REAR BRAKE PADS CALIPERS Calipers Brake System Visually inspect calipers for brake fluid leakage, damaged or defective pistons or piston boots. If there is evidence of leakage, damage, or other defects the caliper should be replaced or repaired. Disc brake rotors Visually inspect rotors for scoring, warping, cracks, bluing or heat spots or other damage or defects. If signs of damage or defects are found, the rotor(s) should be resurfaced or replaced in accordance with the vehicle manufacturer's recommended service procedure. Anchor plates Visually inspect anchor plates for worn or damaged slippers, damaged or dislodged guide pin boots or other defects. If signs of wear, damage or defects are found, the anchor plate(s) should be repaired or replaced. Parking Brake Component Inspection SYSTEM COMPONENTS NOTE: If you are not properly trained to perform brake inspections or service, take your vehicle to your nearest Peterbilt dealer. Medium Duty (R05/09) Y53-6027 – 191 –

Preventive Maintenance<br />

BRAKE PADS<br />

CALIPERS<br />

It is recommended that all disc brake pads be<br />

replaced at the same time since this will maintain balanced<br />

braking. At a minimum, replace all disc brake<br />

pads on one axle, both ends, at the same time.<br />

ANCHOR<br />

PLATES<br />

FRONT<br />

ROTORS<br />

REAR<br />

BRAKE PADS<br />

CALIPERS<br />

Calipers<br />

Brake System<br />

Visually inspect calipers for brake fluid leakage, damaged<br />

or defective pistons or piston boots. If there is<br />

evidence of leakage, damage, or other defects the<br />

caliper should be replaced or repaired.<br />

Disc brake rotors<br />

Visually inspect rotors for scoring, warping, cracks,<br />

bluing or heat spots or other damage or defects. If<br />

signs of damage or defects are found, the rotor(s)<br />

should be resurfaced or replaced in accordance with<br />

the vehicle manufacturer's recommended service<br />

procedure.<br />

Anchor plates<br />

Visually inspect anchor plates for worn or damaged<br />

slippers, damaged or dislodged guide pin boots or<br />

other defects. If signs of wear, damage or defects are<br />

found, the anchor plate(s) should be repaired or<br />

replaced.<br />

Parking Brake Component Inspection<br />

SYSTEM COMPONENTS<br />

NOTE: If you are not properly trained to perform<br />

brake inspections or service, take your vehicle to<br />

your nearest <strong>Peterbilt</strong> dealer.<br />

<strong>Medium</strong> <strong>Duty</strong> (R05/09) Y53-6027 – 191 –

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