ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
Table 4-5. Alternator Voltages at Ambient Temperature
Ambient
Temperature
0° (-18°)
20° (-6.6°)
40° (4.5°)
60° (15.5°)
80° (26.6°)
100° (38°)
120° (49°)
DC Voltage
Miniumum - Maxiumum
29.20-30.12
28.86-29.73
28.64-29.36
28.32-28.98
28.00-28.60
27.68-28.32
27.32-28.04
NOTE
Rotating adjusting screw clockwise increases voltage output. Rotating adjusting
screw counterclockwise decreases output.
(11 ) If proper voltage cannot be obtained with adjusting screw, replace alternator.
d.
Installation.
(1) If removed, install mounting bracket (16), adjusting bracket (13), lockwashers (15 and 12), and
screws (14 and 11), (Figure 4-10).
(2) Install alternator assembly (10), screw (9), fIatwasher (8), lockwasher (7), and nut (6).
(3) Install flat washer (5), lockwasher (4), and screw (3).
(4) Tighten alternator mounting hardware and install v-belt (2).
(5) Reconnect electrical connector (1).
4-19 SPEED SWITCH.
NOTE
Test speed switch in accordance with paragraph c. below before removal.
a. Removal.
(1) Remove wiring harness connector from speed switch connector (Figure 1-5).
(2) Use 1-1/8 inch wrench to loosen and remove the speed switch.
b. Cleaning and Inspection.
(1) Clean speed switch with filtered compressed air and a soft bristle brush or wipe with a clean, lint-free
cloth lightly moistened with an approved solvent.
(2) lnspect speed switch for cracked casing, corrosion, bent or broken connector pins and stripped or dam-
aged threads.
c.
Testing. Replace the speed switch, if any of the following continuity or discontinuity checks are not verified.
(1) Continuity between connector pins A and B and between pins G and H.
(2) Discontinuity between pins A and C, between D and E and between F and J.
d. Installation.
(1) Use 1-1/8 inch wrench to install and tighten the speed switch.
(2) Install wiring harness connector onto speed switch connector (Figure 1-5).
4-35
