Chapter 3. REPAIR OF POWER PLANT

CHAPTER 3

REPAIR OF POWER PLANT

Section I. REPAIR OF ENGINE ELECTRICAL SYSTEM

b. Disassembly. Refer to figure 3-1.

3-1. General

(1) Remove the four thru-bolts from the

This section contains information useful to direct

and

general support maintenance personnel in their

NOTE

performance of maintenance of the engine electrical

system.

Place a scribe mark on the stator and

3-2. Alternator

end frames to aid in locating the

a. Removal and Installation. Remove or install the

parts in the same position during

alternator as directed in TM 10-3930-618-20.

reassembly.

Figure 3-1. Alternator, exploded view.

(2) Separate the front end frame and the rotor

(4) Separate the rotor from the front end

assembly from the stator assembly. Pry them apart at

frame, removing key.

the stator slot with a screw driver.

(5) Remove retainer, collar, gasket and

(3) Place the rotor in a vise and tighten just

bearing from end frame.

enough to permit removal of the shaft nut. Remove the

(6) Remove stator from rear end frame.

shaft nut, washer, pulley, fan and collar.

(7) Remove rear end frame bearing and

3-1