ASSEMBLY - TM-9-2330-330-14-P0720

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INSPECTION, TESTING, AND REPAIR

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TM-9-2330-330-14-P Semitrailer Fuel Tanker: 5000-Gallon Fuel-Dispensing Automotive M969A3 (NSN 2330-01-495-0043) Manual

ASSEMBLY (Cont)

TM 9-2330-330-14&P

ALTERNATOR MAINTENANCE--Continued

0161 00

Fan and Pulley. Check fan for bent fins and excessive wear around center bore. Check pulley for

worn drive surfaces in belt area, or wear around bore. If damage is present, replace alternator.

Rotor Assembly. Check rotor assembly for signs of wear or damaged threads on shaft. If rotor is

damaged, replace alternator. If rotor is not damaged, test rotor as follows:

Place multimeter leads on rotor shaft and either slip ring. There should be no continuity. If continuity

is present, replace alternator.

Place multimeter leads on two slip rings. The resistance should measure 2.4 to 3.5 ohms. If not,

Front and Rear Housing. Inspect front and rear housing for wear and damage. If excess damage

is present, discard alternator.

Bearings. Bearings should be replaced whenever the alternator is disassembled.

ASSEMBLY

Install new front bearing (33) in front housing (19).

Install front bearing retainer (30), three new lockwashers (32), and screws (31).

Install front housing (19) to rotor shaft (17).

0161 00-6