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

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6-88 Marine/Industrial 4.3L Engine 334499 Camshaft and Bearings Clean and Inspect Tools Required J 7872 Magnetic Base Dial Indicator Caution: Refer to Safety Glasses Caution in Cautions and Notices. 1. Clean the engine camshaft in cleaning solvent. 2. Dry the engine camshaft with compressed air. 3. Inspect the camshaft retainer plate fro damage. If the camshaft retainer plate is damaged, replace as necessary. 4. Inspect the camshaft bearings for correct fit into the engine block camshaft bearing bores. The camshaft bearings have an interference fit to the engine block camshaft bearing bores and must not be loose in the engine block camshaft bearing bores. Important: If any camshaft bearing is excessively worn or scored, replace all the camshaft bearings. 5. Inspect the camshaft bearings for excessive wear or scoring. 6. Inspect the engine camshaft for the following: • Worn, scored or damaged bearing journals (1) • Worn engine camshaft lobes (2) • Damaged bolt hole threads (3) • Damaged camshaft sprocket locator pin (4) 2000 Marine/Industrial 188095
Engine Marine/Industrial 4.3L 6-89 7. Measure the engine camshaft journals with a micrometer. If the camshaft journals are more than 0.025 mm (0.0010 in) out-of-round, then replace the engine camshaft. 8. Measure for a bent engine camshaft or excessive engine camshaft runout using the J 7872. 8.1. Mount the engine camshaft in a suitable stand between centers. 8.2. Use the J 7872 in order to check the intermediate engine camshaft journals. 9. Measure the engine camshaft lobe lift using the J 7872. 9.1. Place the engine camshaft on the V-blocks. 9.2. Use the J 7872 in order to measure the engine camshaft lobe lift. 10. Replace the engine camshaft if the engine camshaft lobe lift is not within specifications. Refer to Engine Mechanical Specifications. 188014 Camshaft Bearing Removal Tools Required J 33049 Camshaft Bearing Service Kit 1. Select the cone (1), the handle (10), the expanding driver (4- 8), the washer (2 or 3) and the expander assembly (15) from the J 33049. 2. Assemble the J 33049. 188012 66100 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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