Briggs & Stratton 276535, 271172, 270962, CE8069, 273521 manual Disassemble Cylinder Head, Inspection

Models: 273521 276535 CE8069 270962 271172

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Disassemble Cylinder Head

Figure 6

3.Remove push rods one at a time, marking the location and orientation of each for proper installation later.

4.Using a plastic scraping tool, carefully clean all traces of head gasket from the head and cylinder mating surfaces.

Disassemble Cylinder Head

1.Loosen rocker arm screws and/or lock nuts (A, Figure 7 and 8), and remove from rocker arm studs. Remove rocker arms (B) and rocker balls from studs.

Figure 7

Figure 8

2.Remove valve stem caps (A, Figure 9) (if used), the rocker arm studs, and the push rod guide (models 97700, 99700).

3.Using thumbs, press down on each valve spring retainer and disengage retainer from valve stem (B). Remove retainers, springs, valves, and intake valve stem seal/washer, if equipped.

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Figure 9

4.Remove push rod cylinder head plate and plate gasket (models 110000, 120000, 150000). Remove and discard the plastic push rod guides from the head plate.

Inspection

1.Visually inspect head for cracks, excessive heat discoloration, warping of the cylinder or rocker cover mating surfaces, and burned or damaged valve seats. Replace head, if any of these problems are found.

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Briggs & Stratton 276535, 271172, 270962, CE8069, 273521 manual Disassemble Cylinder Head, Inspection