2.12.4.3 Inspection.

2.12.5 Bulk Head Panel Assembly and Outlet Scoop) Assembly Maintenance, Model 609-C

TM-10-4320-344-24 Pump Assembly Water 600 GPM Model 609-A (NSN 4320-01-184-7494) Model 609-C (NSN 4320-01-261-6470) Model US636HCCD-1 Manual
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2.12.4 Top Panel Assembly Maintenance, Model 609-C. (Continued) 2.12.4.3 Inspection. a. Inspect top panel assembly (4), air duct crossover (8), air duct entry assembly (9), and air duct exit assembly (10) for deterioration or damage of insulation material on inner surfaces, corrosion, bends, or cracks. b. Inspect air duct crossover (8) and air duct assemblies (9 and 10) for obstructions which restrict air flow through the assembly. c . Inspect exhaust cover assembly (2) for corrosion, bends, cracks, and smooth operation of hinge (11). 2.12.4.4 Repair. a. Replace damaged or deteriorated insulation material on inner surface of top panel assembly (4), air duct crossover (8), air duct entry assembly (9), and air duct exit assembly (10). Refer to Appendix D to manufacture new insulation. b. Replace top panel assembly (4), air duct crossover (8), air duct entry assembly (9), air duct exit assembly (10), and exhaust door cover assembly (2) if corrosion or damage, which does not permit proper mounting or securing of top panel, is present. c . Replace exhaust cover assembly (2) and securing arm (12) if damaged. 2.12.4.5 Assembly. a. Install four screws (7) into air duct crossover (8), air duct entry assembly (9), and air duct exit assembly (10). b. Position air duct entry assembly (9) and air duct exit assembly (10) on top panel assembly (4). c . Install fifteen screws (6) and nuts (5). d. Position hinge spacer (3) and exhaust cover assembly (2) on top panel assembly (4). e . Install two screws (1). 2.12.4.6 Installation. Two people are required to lift the top panel assembly onto the enclosure. Failure to obey this warning may result in personal injury or damage to the equipment. a . Position top panel assembly (Figure 2-14, 6) on enclosure (7). Ensure screw and nut combinations are installed in locations marked during removal. b . Install screws (4) and nuts (5), at locations marked during removal. c . Lift exhaust cover assembly (3) and install flat washer (2) and new lock nut (1). 2-54 TM 10-4320-344-24

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