1997 SUBARU LEGACY Service Repair Manual

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Page 1737 of 3342

SUBARU LEGACY 1997 Service Repair Manual 1. Body Electrical
A: SPECIFICATIONS
BatteryReserve capacity 82 minutes (MT), 100 minutes (AT)
Cold cranking ampere 430 amperes (MT), 490 amperes (AT)
Fuse10 A, 15 A, 20 A
Combination
meterSpeedometer

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SUBARU LEGACY 1997 Service Repair Manual Front wiper
motorInput 12 V—54 W or less
Rear wiper motor Input 12 V—42 W or less
Front washer
motorPump type Centrifugal
Input 12 V—36 W or less
Rear washer
motorPump type Centrifugal
Input 12

Page 1739 of 3342

SUBARU LEGACY 1997 Service Repair Manual 1. Precaution
Before disassembling or reassembling parts, always
disconnect battery ground cable. When repairing
radio, control modules, etc. which are provided with
memory functions, record memory c

Page 1740 of 3342

Page 1741 of 3342

SUBARU LEGACY 1997 Service Repair Manual B: INSPECTION
1. BATTERY
1) External parts
Check for the existence of dirt or cracks on the battery
case, top cover, vent plugs, and terminal posts. If
necessary, clean with water and wipe with a dry

Page 1742 of 3342

SUBARU LEGACY 1997 Service Repair Manual G6M0103
3) Specific gravity of electrolyte
Measure specific gravity of electrolyte using a hydrometer
and a thermometer.
Specific gravity varies with temperature of electrolyte so
that it must be corr

G6M0103
3) Specific gravity of electrolyte
Measure specific gravity of electrolyte using a hydrometer
and a thermometer.
Specific gravity varies with temperature of electrolyte so
that it must be corrected at 20°C (68°F) using the follow-
ing equation:
S
20= St + 0.0007 x (t 20)
S
20:Specific gravity corrected at electrolyte tempera-
ture of 20°C (68°F)
St :Measured specific gravity
t :Measured temperature °C
Determine whether or not battery must be charged,
according to corrected specific gravity.
Standard specific gravity: 1.220 — 1.290 [at 20°C
(68°F)]
Measuring the specific gravity of the electrolyte in the bat-
tery will disclose the state of charge of the battery. The
relation between the specific gravity and the state of
charge is as shown in figure.
C: CHARGING
WARNING:
Do not bring an open flame close to the battery at
this time.
CAUTION:
Prior to charging, corroded terminals should be
cleaned with a brush and common baking soda solu-
tion.
Be careful since battery electrolyte overflows while
charging the battery.
Observe instructions when handling battery
charger.
Before charging the battery on vehicle, disconnect
battery ground terminal. Failure to follow this rule may
damage generator’s diodes or other electrical units.
1. NORMAL CHARGING
Charge the battery at current value specified by manufac-
turer or at approximately 1/10 of battery’s ampere hour
rating.
2. QUICK CHARGING
Quick charging is a method in which the battery is charged
in a short period of time with a relatively large current by
using a quick charger.
Since a large current flow raises electrolyte temperature,
the battery is subject to damage if the large current is used
for prolonged time. For this reason, the quick charging
must be carried out within a current range that will not
increase the electrolyte temperature above 40°C (104°F).
It should be also remembered that the quick charging is a
temporary means to bring battery voltage up to a fair value
and, as a rule, a battery should be charged slowly with a
low current.
6
6-2SERVICE PROCEDURE
2. Battery

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SUBARU LEGACY 1997 Service Repair Manual CAUTION:
Observe the items in 1. NORMAL CHARGING 6-2
[W2C1].
Never use more than 10 amperes when charging the
battery because that will shorten battery life.
3. JUDGMENT OF BATTERY IN CHARGED
CONDIT

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