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FOLLOW-ON TASKS - TM-5-4310-452-14_242
COMPRESSOR FAN AND FAN DRIVE MAINTENANCE (Con't).

TM-5-4310-452-14 Compressor Air: Rotary Screw 750 CFM 100 PSI Wheel-Mounted DED SULLIAR Model 750 DP Manual
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TM 5-4310-452-14 4-92.  COMPRESSOR FAN AND FAN DRIVE MAINTENANCE. THIS TASK COVERS a.  Removal c.  Assembly b.  Disassembly d.  Installation INITIAL SETUP Equipment Conditions: Materials/Parts: • Engine off. •  Two bushings • Left and right door assemblies open, •  Two retaining rings • Compressor fan belt removed (see para- •  Two self-locking nuts graph 4-91). Tools/Test Equipment: • General mechanic's tool kit • Arbor press a.  REMOVAL 1. Remove 4 screws (1), and nuts (4) from fan bearing housing support (2) and fan shroud (3). CAUTION Use care when removing fan bearing housing support from fan shroud.  Striking fan against fan shroud can result in bent fan blades or damage to fan shroud.  ' 2. Remove fan bearing housing support (2) from fan shroud (3). b.  DISASSEMBLY 1. Remove capscrew (23), pulley (21), 3 flatwashers (22), and self-locking nut (16) from idler lever assembly (17). Discard self-locking nut. 2. Remove spring (13) from idler lever assembly (17) and fan bearing housing support bracket (2). NOTE Keep idler lever assembly together on capscrew when removing. 3. Remove  self-locking  nut  (12),  idler  lever  assembly  (17),  8  spring  tension  washers  (14),  spacer  (18),  capscrew (20), and washer (19) from fan bearing housing support (2).  Discard self-locking nut. 4. Remove 2 bushings (15) from idler lever assembly (17).  Discard bushings. 5. Measure and record distance between hub (7) and plate on fan bearing housing support (2) and from pulley (25) to plate. CAUTION Use care not to bend fan blades when removing sleeve nuts from shaft. 6. Remove sleeve nut (10) and fan assembly (8) from shaft (26).  Remove 6 screws (9) from fan assembly and hub (7).  Remove hub. 4-186







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