TM 5-4210-233-14&P-2
6-42. ALTERNATOR DRIVE- Continued
b. Cleaning and Inspection.
WARNING
Death or serious injury could occur if compressed air is directed
against the skin. Do not use compressed air for cleaning or
drying unless the pressure is/has been reduced to 30 psi (2.11
kg/cm2) or less. When working with compressed air, always use
chip guards eye protec- tion and other personal protective
equipment.
(1) Clean all parts in dry cleaning solvent (Item 3, Appendix E) and dry with compressed air.
(2) Check drive coupling and hub for wear and damage to lugs.
(3) Wipe outside of bearing clean. Hold inner race and revolve outer race by hand. If bearing is worn
or does not roll freely, replace bearing.
(4) Inspect bore of retainer for wear and damage. Replace worn retainer.
(5) Inspect pulley for wear and damage. Replace if necessary.
c.
Installation.
(1) Place retainer (7) on bench with mounting flange side up. Lubricate the outside diameter of bearing
(8) and spacer with lubricating oil (Item 10, Appendix E).
(2) Protruding face of bearing inner race must face toward retainer. Press or tap bearing (8) into
retainer (7) until bearing contacts shoulder in retainer. Install spacer (9) and retaining ring (14) in
bore of retainer.
(3) Lubricate drive shaft (10) with lubricating oil (Item 10, Appendix E) and press shaft into bearing
until shoulder on shaft contacts face of bearing.
(4) Install key (13) in shaft and install hub (12) and coupling (11) on shaft.
(5) Clean all old gasket material from mounting surface of flywheel housing. Coat mounting surface
with seal retainer (Item 6, Appendix E). Install assembled drive retainer on flywheel housing.
(6) Secure retainer (7) to flywheel housing with six lockwashers (6), three screws (5), and three
screws (4). Tighten screws to a torque of 30 to 35 lb ft (41 to 47 N.m).
(7) Install key (13) in slot in shaft. Place pulley (1) on shaft with slot in pulley engaging key. Tap pulley
into position on shaft with a leather mallet.
(8) Install nut (2) on shaft and tighten to a torque of 120 to 140 lb ft (163 to 190 N.m).
d. Follow-on Maintenance.
(1) Install driver side air intake (see para 5-1 1).
(2) Install alternator belt (see para 4-135).
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