Figure 48. Adjusting voltage regulator airgap.

TM 10-3930-222-20

f. Installation. Reverse procedures in a above,

(3) Remove the battery (5) from truck.

tightening to 25 to 30 foot-pounds of torque.

b. Cleaning. Clean the battery and cable ends with

46. Dielectric Capacitors

a water solution of baking soda, and wipe dry.

a. Removal.

c. Testing. Check the specific gravity of each cell

(1) Disconnect and tag the capacitor leads at

with a hydrometer. If the specific gravity reading is

the capacitors (fig. 41).

1.225 or below on the hydrometer, recharge the battery.

A fully charged battery reads from 1.260 to 1.270 on the

(2) Remove the bolt that secures the

hydrometer.

capacitors to the regulator support and

remove capacitors.

d. Installation. Reverse procedures in a above.

Connect the ground connection last.

Replace

b. Installation. Reverse procedures in a above.

unserviceable or badly worn cables with new ones.

47. Storage battery and Cables

48. Ignition Coil

a. Removal.

Refer to figure 55 and remove coil as follows:

(1) Disconnect the battery leads (1, fig. 62),

a. Removal.

ground cable first, at battery.

(1) Disconnect and tag the positive and

(2) Unscrew the wing nuts (2) and flat

negative primary leads at coil terminals.

washers (3) that secure the battery frame

(4) and remove the battery frame.

Figure 48. Adjusting voltage regulator airgap.