TM 55-1520-240-23-79-59INSTALL AVIONICS COOLING FAN(Continued)9-591.Install fan (1) in support bracket (2) using fourscrews (3) and washers (4), and two spacers (5).2.Position clamp (6) and tighten nut (7).3.Clean screen (7.1). Use a paint brush.3.1.Inspect screen (7.1) for broken wires or wiresbroken away from bellmouth (8).3.2.Position bellmouth (8) with two slots (9) undertwo washers (4).4.Install four screws (10) and washers (11).9-164
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