CYLINDER HEAD AND VALVES (cont) - TM-5-3825-229-14P

CYLINDER HEAD AND VALVES (cont) - TM-5-3825-229-14P_304

CYLINDER HEAD AND VALVES (cont) - TM-5-3825-229-14P_306

TM-5-3825-229-14P Distributor Water Self-Propelled 2500 Gallon Capacity Sectionalized and Non-Sectionalized Models 613BWDNS Manual
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TM 5-3825-229-14&P 6-4. CYLINDER HEAD AND VALVES (cont) b. Installation (1) Press valve guides (8) in position from top of cylinder head with valve guide installation tool and hydraulic press. Install replacement valve guides with grooved end up. NOTE The exhaust valve guide is 0.2362 in. (6 mm) longer than the intake valve guide. Guides must be installed in the correct guide bore. The bore of a replacement valve guide is 0.3004-0.3047 in. (7.63-7.74 mm). The interference fit of a guide in cylinder head is 0.0009-0.0026 in. (0.025-0.065 mm). The valve guide bore will close some when installed. Use a valve guide reamer to resize valve guides after installation to the correct inside diameter. Do not ream or hone guides already installed in service replacement cylinder heads. Valve seats must be refinished after installing new valve guides. (2) Lubricate stem of each valve (5) with engine oil (OE/HDO) and insert in guide (8) from which it was removed. (3) Install valve spring wear plate (7) over valve guides in recess of the head. 6-6

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