TM 10-4320-310-146-4.REPAIR/REPLACE TIMING COVER AND CAMSHAFT (Continued)DISASSEMBLY:1Remove oil seal (6) from timing cover (4). Discard the oil seal2Collapse bushing (5) and remove. Discard the bushing.Handling heated parts can cause severe burns. Use proper equipment tohandle heated parts.3Heat timing cover (4) to 120° F to 160°F (50°C to 70°C). Remove intermediate ring (7) and drive out ball bearing(8). Discard the ball bearing.4While timing cover (4) is still hot, drive out camshaft (9).5Remove hexagon nut (10), wave washer (11), circlip (12), flanged wheel (13), roller bearing (14) and spacer (15).REPAIR:Dry cleaning solvent P-D-680 (safety or Stoddard's Solvent) is potentiallydangerous. Avoid repeated and prolonged breathing of vapors and skincontact with the liquid. Do not use near open flame, arcing equipment, orother ignition sources. Always wear eye protection and protective clothing.The flash point of P-D-680 is 100°F to 138°F (38°C to 59°C).Death or serious injury could occur if compressed air is directed against theskin. Do not use compressed air for cleaning or drying unless the pressureis/has been reduced to 30 psi (2.06 bar) or less. When working withcompressed air always use chip guards, eye protection, and other personalequipment.1Clean with dry cleaning solvent and dry with compressed air.2Repair any minor damage, nicks, burrs, rust, or corrosion.6-13
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