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4
BODY MOUNTING
Peterbilt Motors Company 4-7
BODY MOUNTING USING U–BOLTS
If the body is mounted to the frame with U–bolts, use a hardwood sill (minimum 1/2 inch (12.7 mm) thick) between the
frame rail and body frame to protect the top surface of the rail flange.
WARNING! Do not allow the frame rails or flanges to deform when tightening the U–bolts. It will weaken the
frame and could cause an accident. Use suitable spacers made of steel or hardwood on the inside of the frame
rail to prevent collapse of the frame flanges.
Use a hardwood spacer between the bottom flange and the U–bolt to prevent the U–bolt from notching the frame flange.
See FIGURE 4-9.
FIGURE 4-9. Acceptable U-Bolt Mounting with Wood and Fabricated Spacers