4-41. V-Belt.

Figure 4-50. Engine V-Beltguard, Replace.

TM-5-4310-386-14 Compressor Reciprocating Air: Electric Motor Driven & CFM 175 PSI C & H Model 20-918 Manual
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TM 5-4310-386-14 4-41. V-Belt. This task covers: Replace INITIAL SETUP Tools Equipment Condition General Mechanic's Tool Kit Compressor unit shut down (para. 2-13). (NSN 5180-00-177-7033) V-Beltguard removed (para. 4-15). Materials/Parts V-Belts Replace. (figure 4-51) (1) Loosen bolts (1), (2), and (3). (2) Push alternator (4) in direction of arrow B. (3) Remove belts (5). NOTE Always replace both belts when only one is worn or damaged. (4) Install belts over engine pulley (6), blower pulley (7), and alternator pulley (8). (5) Push alternator (4) in direction of arrow A. (6) Tighten bolts (1), (2), and (3). (7) Check fan belt tension by a firm push between blower pulley (7) and engine pulley (6), belts depress approximately 0.4 - 0.6 in. (10 - 15 cm). (8) If belts depress more than 0.4 - 0.6 in., loosen bolts (1), (2), and (3) and push alternator in direction of arrow A. (9) Tighten bolts (1), (2), and (3). FOLLOW-ON MAINTENANCE Install V-beltguard (para. 4-15). 4-126

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