Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

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6-70 Marine/Industrial 4.3L Engine Piston, Connecting Rod and Bearings Clean/ Inspect Important: Measurement of all components should be taken with the components at room temperature. Do not use a wire brush in order to clean any part of the piston. Caution: Refer to Safety Glasses Caution in Cautions and Notices. 1. Clean the piston and connecting rod in solvent. 2. Dry the components with compressed air. 34671 3. Clean the piston ring grooves with a suitable ring groove cleaning tool. 4977 4. Clean the piston oil lubrication holes and slots. 5. Inspect the piston for the following: • Eroded areas (1) on the top of the piston • Scuffed or damaged skirt (2) • Damage to the pin bore (3) • Cracks in the piston ring lands, the piston skirt or the pin bosses • Piston ring grooves for nicks, burrs or other warpage which may cause the piston ring to bind 6. Inspect the piston pin for scoring, wear or other damage 2000 Marine/Industrial 156168
Engine Marine/Industrial 4.3L 6-71 7. Measure the piston ring-to-piston ring groove side clearance. 7.1. Insert the edge of the piston ring into the piston ring groove. 7.2. Roll the piston ring completely around the piston. • If binding is caused by a distorted piston ring groove, MINOR imperfections may be removed with a fine file. • If binding is caused by a distorted piston ring, replace the piston ring. 8. Measure the piston ring side clearance with a feeler gauge. 9. If the side clearance is too small, try another piston ring set. 10. If the proper piston ring-to-piston ring groove clearance cannot be achieved, replace the piston and pin assembly. 11. To determine the proper piston ring side clearance, refer to Engine Mechanical Specifications. 4969 12. To determine piston pin-to-bore clearance, use a micrometer and measure the piston pin. 22934 4976 2000 Marine/Industrial
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Service Engine Engine Model: Genera
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Table of Contents Caution Introduct
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Table of Contents, continued Valve
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Introduction This service manual pr
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Cautions and Notices Definition of
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Engine Marine/Industrial 4.3L 6-1 E
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Notes
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Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

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