Generator

4-46. Generator

(3) Slowly increase engine speed, while

watching ammeter. If generator charging rate

a. Output Test.

increases proportionally with engine speed to its

( 1 ) Disconnect lead from BAT terminal of

rated output, generator is capable of satisfactory

regulator, and connect ammeter in circuit as shown

p e r f o r m a n c e . Do not force generator to exceed

n o r m a l output rating capacity of 30 amperes

(2) With engine idling, connect a jumper lead

during this test.

from generator F (field) terminal to ground on

(4) If output rises steadily to a value less than

generator. This prevents regulator from controlling

rated output then levels off or falls back, check for

(or interfering with) generator output. A regulator

slipping fan belt. If generator does not pass test

d e f e c t will not now prevent operation of the

satisfactorily, replace generator.

generator.

Figure 4-22. Hookup for generator output test.

b. Removal (fig. 4-11).

and lock washers at underside of generator.

Disengage generator from fan belt and remove

(1) Open hood and remove panel from left

side of engine compartment.

generator.

c. Installation.

( 2 ) Disconnect and tag leads at generator

terminals.

(1) Reverse procedure in b above, tightening

generator belt to inch finger-pressure deflection

(3) Remove screw which attaches capacitor to

midway between generator pulley and water pump

generator frame, and remove capacitor with lead

pulley.

attached.

(2)

after all electrical

(4) Remove adjusting arm screw and washer.

connections have been made, by briefly shorting

(5) Remove generator mounting bolts, nuts