CTM100 (06APR04) 02-100-1 P OWER T ECH 10.5 L & 12.5 L Diesel Engines 040604 PN=329 Group 100 Starting and Charging Systems Remove and Install Alternator (OEM Engines) IMPORTANT: The alternator is designed with a Transient Voltage Protector (TVP) to protect the engine electronics. A regular alternator without the TVP could cause extensive damage to the electronics. NOTE: For test and repair of alternator, refer to CTM 77. –UN–20AUG99 1. Disconnect battery ground (-) cable. 2. Disconnect positive (+) red wire (A) and regulator RG10286 connector (E) (shown disconnected). 3. Remove alternator belt using a 1/2 in. drive ratchet on Alternator the belt tensioner (C).
A—Positive Wire Terminal B—Alternator Strap 4. Remove mounting cap screws from adjusting strap (B). C—Belt Tensioner Remove cap screw and nut (D) and remove alternator. D—Mounting Cap Screw and Nut E—Regulator Connector Terminal 5. Install alternator in reverse order. 6. Torque alternator mounting hardware to the following specifications. Alternator Strap Mounting Hardware—Specification M8 Cap Screw—Torque.................................................. 25 N•m (18 lb-ft) M10 Cap Screw—Torque................................................ 50 N•m (37 lb-ft) 1/2 in. Cap Screw—Torque.............................................
61 N•m (45 lb-ft) Alternator Foot Mounting Hardware—Specification M10 Cap Screw—Torque................................................ 70 N•m (52 lb-ft) M12 Cap Screw—Torque................................................ 60 N•m (44 lb-ft) 7. Inspect alternator belt for cracks and wear. DPSG,OUO1004,1005 –19–23SEP02–1/1 02 100 1