Page 1001 - Foton Workshop Manual - Auman EST-M

Frame, Suspension and Tire - Frame FR-1

Frame Assembly IN

Overview
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1. Function of frame

It is used to support and connect each assembly of vehicle, maintain each assembly at correct position
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and withstand various loads inside and outside the vehicle.
2. Requirements for the frame
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a. Frame needs to have adequate strength and suitable rigidity.

b. Frame shall have the features of simple structure and lightweight.
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c. Frame shall reduce the center of gravity and get a bigger front steering angle as much as possible so as to
ensure the stability and steering flexibility during driving.
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Precautions
1. The maximum angle deviation between the upper and lower wing plates and the web plate of ST
longeron and crossbeam is ±1°.

2. The height difference for the axial symmetry of welding nuts shall not be more than mm. Nut BR
welding shall be secured. The peeling moment shall meet the requirement
3. Welding shall be secure and reliable. The weld seam shall be smooth and even. No cold solder joint, BW
solder skips, slag inclusion, undercut, burnthrough, overlap, etc. welding defaults..
4. The back of frame assembly shall be painted. Painting shall be even. Slight flow mark is allowed. Do not
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allow pin holes, hard spots, painting, exposed undercoat, etc.
5. In cold weather, preheat before welding to avoid cracks

FR-001