TM 5-3825-213-20
made at small pin B to D, and
from small pin E to socket E.
The reading should indicate 0
ohm.
b. Removal.
Remove the rectifier as
illustrated in figure 50.
c. Cleaning and Inspection. Clean, inspect
and replace a damaged rectifier.
d. Installation. Install the rectifier as illustrated
in figure 50.
104. Horn and Solenoid Valve
a. Removal. Remove the carrier cab roof
panel, horn, and solenoid valve as illustrated in figure 54.
b. Cleaning and Inspection.
Clean and
inspect. Replace defective parts.
c. Installation. Install the horn and solenoid
valve and carrier cab roof panels as illustrated in figure
105. Horn Button Assembly
a. Removal.
Remove the
horn
button
assembly as illustrated in figure 55.
b. Cleaning and Inspection.
Clean and
inspect. Replace defective parts.
c. Installation.
Install the
horn
button
assembly as illustrated in figure 55.
106. Dimmer Switch
a. Removal. Remove the dimmer switch as
Figure 52. Alternator regulator assembly, removal
illustrated in figure 56.
and installation.
b. Cleaning and Inspection.
Clean and
inspect. Replace defective parts.
indicated. If a variation of more than
c. Installation. Install the dimmer switch as
25 ohms is indicated, the rectifier may
illustrated in figure 56.
be defective and the following steps
must be performed.
107. Front Signal Light Assembly
(a) Connect the other lead of the
a. Removal.
Remove the signal light
multimeter to pin C on the
assembly as illustrated in figure 57.
rectifier-to-regulator side and the
b. Disassembly. Disassemble the signal light
first lead to each of the three
as illustrated in figure 58.
sockets, A, B, and C on rectifier-
c. Cleaning, Inspection, and Repair.
to-alternator side.
A high-
(1) Clean all parts.
resistance reading, 100 to 250
(2) Inspect the signal light assembly for
ohms, should be indicated. If a
defective wires, broken lens, cracks,
variation of more than 25 ohms is
or breaks.
indicated in this test or in the test
(3) Replace or repair defective parts.
performed in step (4) above, the
d. Reassembly. Reassemble the signal light
rectifier is defective and must be
assembly as illustrated in figure 58.
replaced.
e. Installation. Install the signal light assembly
(b) Check the field circuit through the
as illustrated in figure 57.
rectifier, with the voltmeter set on
RX 1 scale and connections
87