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

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6-68 Marine/Industrial 4.3L Engine 5. By measuring the selected piston at the sizing point and then by adding the average of the clearance specification, the final cylinder bore honing dimension required can be determined. 6. When finished, the reconditioned cylinder bores should have less than or meet the specified out-of-round and taper requirements. 7. After the final honing and before the piston is checked for fit, clean the cylinder bore with hot water and detergent. 7.1. Scrub the cylinder bores with a stiff bristle brush. 7.2. Rinse the cylinder bores thoroughly with clean hot water. 7.3. Dry the cylinder bores with a clean rag. 7.4. Do not allow any abrasive material to remain in the cylinder bores. • Abrasive material may cause premature wear of the new piston rings and the cylinder bores. • Abrasive material will contaminate the engine oil and may cause premature wear of the bearings. 8. Perform final measurements of the piston and the cylinder bore. 9. Permanently mark the top of the piston for the specified cylinder to which it has been fitted. 10. Apply clean engine oil to each cylinder bore in order to prevent rusting. Boring Procedure Caution: Refer to Safety Glasses Caution in Cautions and Notices. 1. Before starting the honing or reboring operation, measure all the new pistons with the micrometer contacting at points exactly 90 degrees from the piston pin centerline. 2. File the top of the cylinder block in order to remove any dirt or burrs before using any type of boring bar. 3. Follow the instructions furnished by the manufacturer regarding the use of the boring equipment. 4. When reboring the cylinders, make sure all the crankshaft bearing caps are installed in the original position and direction. 5. Tighten the crankshaft bearing caps to the proper torque specifications in order to avoid distortion of the cylinder bores in the final assembly. 6. When making the final cut with the boring bar, leave 0.03 mm (0.001 in) on the cylinder bore diameter for finish honing. This gives the required position to the cylinder clearance specifications. (Carefully perform the honing and boring operation in order to maintain the specified clearances between the pistons, the piston rings and the cylinder bores). 2000 Marine/Industrial 188016
Engine Marine/Industrial 4.3L 6-69 Piston and Connecting Rod Disassemble Tools Required J 24086-C Piston Pin Remover/Installer Caution: Refer to Safety Glasses Caution in Cautions and Notices. 1. Remove the piston rings from the pistons. 2. Press the piston pin from the connecting rod using the J 24086-C. 3. The piston pin has an interference fit into the connecting rod, and is full floating in the piston. 4967 4. Mark, seperate and organize the parts for assembly. 4965 34671 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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Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

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