Lincoln Continental 1964 Shop Manual page 262

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PART
13-1-GENERAL CHARGING SYSTEM SERVICE
13-7
the cell voltages are even within 0.1
volt, test the total battery voltage
(charger still operating) .
4. If the total battery voltage is
now under 15.5 volts, the battery is
satisfactory and may be safely fast
.charged (see Specifications in this
group). Always follow the fast
charge with sufficient slow charge
to bring the battery to a full
charge.
5. If the total battery voltage is
over
15.5
volts, the battery is prob-
ably
sulphat~d.
Place the battery on
continued slow charge.
AFTER CHARGE TESTS
When the battery is fully charged
(check with a hydrometer or battery
charge tester) make a capacity test.
If the terminal voltage is 9.6 volts
or above, place the battery back in
service. If the terminal voltage is
below 9.6 volts, replace the battery.
Battery charge tests. Battery
charge may be tested by measuring
the battery electrolyte solution spe:-
cific gravity (hydrometer) or by
measuring the voltage of the bat-
tery cells on open circuit (no cur-
rent flow) with a battery
charg4~
tester (open circuit voltage tester).
A discharged 12-volt battery can
freeze during cold weather.
Th4~
Specifications (in this group),
show the. temperatures at which
batteries of various specific gravi··
ties will begin to freeze.
BATTERY CHARGING
A battery that is not sulphated
may be charged by either a fast
charging or slow charging method.
\1ost fast charge units may be ad-
justed for making a slow charge.
EJ
COMMON ADJUSTMENTS AND REPAIRS
BELT ADJUSTMENT
1. Loosen the alternator mounting
bolt and the adjusting arm bolts.
2. Apply pressure on the alternator
front housing only and tighten the
d.djusting arm to alternator bolt.
3. Check the belt tension using
EJ
CLEANING AND INSPECTION
ALTERNATOR
1. The rotor, stator, and bearings
must not be cleaned with solvent.
Wipe these parts off with a clean
doth.
2. Rotate ·the front bearing on the
drive shaft. Check for any scraping
noise, looseness or roughness that
will indicate that the bearing is ex-
cessively worn. As the bearing is be-
ing rotated, look for any lubricant
leakage. If any of these conditions
exist, replace the bearing.
3. Place the rear end bearing on
the slip-ring end of the shaft and
rotate the bearing on the shaft. Make
the same check for noise, looseness
or roughness as was made for the
front bearing. Inspect the rollers and
cage for damage. Replace the bear-
1
ng if these conditions exist, or if the
I ubricant is lost or contaminated.
4. Check both the front and rear
housings for cracks. Check the front
housing for stripped threads in the
mounting ear. Replace defective
housings.
5. A pulley is not suitable for re-
use if more than
%
of the shaft
il·~ngth
will enter the pulley bore with
r
tght pressure. Replace any pulley
that is bent out of shape.
6. Check all wire leads on both the
.,tator and rotor assemblies for loose
•.;oldered connections, and for burned
Fast charging. Follow the instruc-
tions of the fast charger manufac-
turer, as fast chargers vary slightly
with different manufacturers.
Test the battery cells for specific
gravity. Then, fast charge the bllttery
at 30 to 40 amperes maximum for
the length of time shown in the
Specifications
(in
this group) , cor-
responding to the specific gravity
condition of the battery.
Slow charging. Always follow a
fast charge with a slow charge at 3
amperes for 12-volt batteries of less
than 70-ampere-hour capacity. Bat-
teries of 70-ampere-hour capacity or
higher require a 4-ampere slow
charge. Continue the slow charge
until the battery is fully charged.
A battery is considered fully charged
when the specific gravity readings of
all the cells, taken at hourly intervals,
do not increase over a 3-hour period.
tool T63L-8620-A. Adjust the belt
for specified tension.
4. Tighten all mounting bolts.
insulation. Resolder poor connec-
tions. Replace parts that show
burned insulation.
7. Check the slip rings for nicks
and surface roughness. Nicks and
scratches may be removed by turn-
ing down the _slip rings. Do not go
beyond the minimum diameter limit
of 1.22 inches.
If the slip rings are badly damaged,
the entire rotor will have to be re-
placed, as they are serviced as a
complete assembly.
8. Replace any parts that are
burned or cracked. Replace brushes
and brush springs that are not to
specification.