and hold at this speed for 5 minutes,
Check for bearing noises and unusual
vibration. O b s e r v e for abnormally
(2) Start the varidrive assembly by sliding
high bearing heat. Check for any me-
the safety clip (25-B) off the stop but-
ton (25-C) and depress the start but-
chanical failure.
t o n (25-A) (do not depress the start
( 4 ) Stop the varidrive assembly by de-
button more than 10 seconds).
p r e s s i n g the stop button (21-A). Re-
m o v e the generator (alternator), rec-
(3) Slowly turn the speed control handle
t i f i e r , and the generator (alternator)
(24) until 8,000 rpm are indicated on
r e g u l a t o r from the test stand.
Note. The key numbers shown
below in
parentheses in
this section refer to
figure 47 except where
otherwise
indicated.
TESTING LEECE NEVILLE COMPANY 100-AMPERE
Section XII.
(ALTERNATOR) REGULATOR
O r d n a n c e number
8699744
The Leece Neville Company 100-ampere gen-
Rated voltage
28 volts
erator (alternator) regulator (figs. 51 and 52)
Rated amperes
100 amperes
is used in conjunction with the Leece Neville
(3) C o m p o n e n t s .
c o m p a n y 100-ampere generator (alternator) in
(a) Voltage regulator.
e i t h e r the pulley- or direct-driven types (par.
Type . . . . . . . . carbon pile
The generator (alternator) regulator
Operating coil
i s designed to control the output voltage and
resistance
3.3 ohms
Paralleling coil
s e t t i n g of three control units, which are the
4 ohms
resistance
v o l t a g e regulator (carbon pile), line switch
( l o a d relay), and voltage adjusting rheostat.
(minimum)
will not exceed 0.50
For detailed description of the components and
ohms
control units refer to TM 9-7003, TM 9-2300-
2 2 4 - 3 4 / 3 , TB 9-2300-206-15, and paragraph
c a r b o n pile . . . . 90 watts
(b) Line switch (load relay).
132. 100-Ampere Generator (Alternator)
Closing voltage
13 volts, plus or minus
Regulator Control Units Tests (The
1 volt
Leece Neville Company)
Opening voltage
9 to 11 volts
174 ohms, plus or
a. Purpose. This test is performed to indi-
minus 10 ohms
cate the functioning of the 3 control units of
0.060 inch, main, 0.030
Gap settings
i n c h , auxiliary
tor (figs. 51 and 52) and whether setting ad-
(c) Fixed and variable resistors.
j u s t m e n t s are required to the units so they
18.0 ohms, plus or
perform in accordance with manufacturer's
m i n u s 0.9 ohms
specifications (e) b e l o w .
Stabilizing
360 ohms, plus or
b. Tabulated Data.
minus 18 ohms
(1) Identifying
number.
V o l t a g e adjusting
Manufacturer
The Leece Neville
rheostat
5.0 ohms, plus or
Company
minus 0.5 ohms
M a n u f a c t u r e r ' s model
(d) Capacitors.
number
R0013392RP or
Rating
25 mfd
Type
3392-R12P
coaxial type