Assembly - TM-5-4930-233-140323

TM 5-4930-233-14

TM 4930-14/1

AIR COMPRESSOR ASSEMBLY

5-13. ALTERNATOR - REPAIR - (Cont.)

Assembly

NOTE

Refer to alternator wiring diagram when connecting electrical leads.

(1)

Press two bearings (29) in front and rear housings (17 and 7), respectively.

(2)

Install two retaining rings (28) to secure bearings in place.

(3)

Place longer end of rotor assembly (23) shaft through front housing (7).

(4)

Place spacer (27) over longer end of shaft.

(5)

Place woodruff key (26) into mechanical keyway in longer end of shaft.

(6)

Align slots in fan (25) and pulley (24) with woodruff key and press over end of shaft.

(7)

After placing washer (22) over end of shaft, screw (finger tight) nut (21) onto threaded end of shaft.

(8)

To prevent rotor assembly (23) from turning when tightening nut (21), wrap an oversize belt around pulley

and clamp pulley in vise. Tighten nut (21).

(9)

After placing washers (20) and spacers (19) over threaded studs of diode assemblies, install stator (37) and

two diode assemblies (18) in rear housing (17).

NOTE

To prevent heat damage to rectifier diodes when soldering, use heat sink between

soldering iron and diode.

(10) Reconnect stator leads as directed by tagging done during disassembly.

(11) Install nut (9), lockwasher (8), three nuts with starwashers attached (34), three flatwashers (33) and three

(12) After ensuring that rotor assembly (23) turns freely, secure front and rear housings in place with bolts (15)

and nuts (16).

(13) Mount brush assembly (14) over rear housing (17) and secure in place with cover (13) and two screws (11).

5-64