FAN DRIVE BELT REPLACEMENT

TM-5-3810-306-20 Container Crane 40-Ton Rough Terrain Model RTB75CC Manual
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TM 5-3810-306-20 FAN DRIVE BELT REPLACEMENT TOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033) SUPPLIES: None EQUIPMENT CONDITION Left side access door opened Disconnect ground cable at shunt. (Refer to page 8-109.) REMOVAL: 1. LOOSEN TENSIONER (1) AND UNWIND FAN BELT (2) FROM ALTERNATOR (3), WATER PUMP (4), CRANK SHAFT (5), AND FAN (6) PULLEYS. a. Place square drive in belt tensioner (1) slot and turn clockwise until fan belt (2) is loose. b. Unwind fan belt (2) from alternator (3), water pump (4), fan drive (6) and crankshaft (5) pulleys. c. Lay fan belt (2) on fan spacer. 2. REMOVE HARDWARE SECURING FAN GUARD TO SHROUD. (REFER TO PAGE 7-9.) a. Separate fan guard and shroud and lift belt (2) through hole in shroud and over fan blades to remove. 3. INSPECT PARTS FOR DAMAGE. REPLACE IF DAMAGED. INSTALLATION: 1. INSTALL FAN BELT (2) AND WIND AROUND CRANKSHAFT (5), WATER PUMP (4), ALTERNATOR (3), AND TENSIONER (1) PULLEYS. a. Put fan belt (2) over fan blades. 7-23

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