2009 SUBARU TRIBECA Service Workshop Manual

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Page 1977 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual SC(H6DO)-19
Generator
STARTING/CHARGING SYSTEMS
3. Generator
A: REMOVAL
1) Remove the collector cover.
2) Disconnect the ground cable from battery.
3) Disconnect the connector and terminal from
g

Page 1978 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual SC(H6DO)-20
Generator
STARTING/CHARGING SYSTEMS
CAUTION:
When holding the rotor with a vise, place alumi-
num plates or wooden pieces on the vise jaws
to prevent rotor from damage.
5) Remove the ball

Page 1979 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual SC(H6DO)-21
Generator
STARTING/CHARGING SYSTEMS
(2) Unsolder the connection between IC regula-
tor and rectifier to remove IC regulator.
9) Remove the brush as follows.
(1) Remove the cover A.
(2) Rem

Page 1980 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual SC(H6DO)-22
Generator
STARTING/CHARGING SYSTEMS
D: ASSEMBLY
Assemble in the reverse order of disassembly.
1) Pulling up brush
Before assembling, press the brush down into
brush holder, and th

Page 1981 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual SC(H6DO)-23
Generator
STARTING/CHARGING SYSTEMS
2. ROTOR
1) Slip ring surface
Inspect the slip rings for contamination or any
roughness on the sliding surface. Repair the slip
ring surfa

Page 1982 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual SC(H6DO)-24
Generator
STARTING/CHARGING SYSTEMS
4. BRUSH
1) Measure the length of each brush. If wear ex-
ceeds the service limit, replace the brush. Each
brush has the service limit ma

Page 1983 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual SC(H6DO)-25
Battery
STARTING/CHARGING SYSTEMS
4. Battery
A: REMOVAL
1) Disconnect the positive (+) terminal after discon-
necting the negative (–) terminal of battery.
2) Remove the flange nut from

SC(H6DO)-25
Battery
STARTING/CHARGING SYSTEMS
4. Battery
A: REMOVAL
1) Disconnect the positive (+) terminal after discon-
necting the negative (–) terminal of battery.
2) Remove the flange nut from battery rod and re-
move battery holder.
3) Remove the battery.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
3.4 N·m (0.35 kgf-m, 2.5 ft-lb)
NOTE:
•Clean the battery cable terminals and apply
grease to retard the formation of corrosion.
•Connect the positive (+) terminal, and then con-
nect the negative (–) terminal of the battery.
•Initial diagnosis of electronic control throttle is
performed after battery installation. Because of
this, start the engine 10 seconds or more after the
ignition switch is turned ON.
C: INSPECTION
WARNING:
•Electrolyte has toxicity; be careful of han-
dling the fluid.
•Avoid contact with skin, eyes or clothing. Es-
pecially at contact with eyes, flush with water
for 15 minutes and get prompt medical atten-
tion.
•Batteries produce explosive gases. Keep
sparks, flame, cigarettes away.
•Ventilate when charging or using in enclosed
space.
•For safety, in case an explosion does occur,
wear eye protection or shield your eyes when
working near any battery. Never lean over a bat-
tery.
•Do not let battery fluid contact eyes, skin,
fabrics, or paint-work because battery fluid is
corrosive acid.
•To lessen the risk of sparks, remove rings,
metal watch-bands, and other metal jewelry.
Never allow metal tools to contact the positive
battery terminal and anything connected to it
while you are at the same time in contact with
any other metallic portion of the vehicle. This
may cause short circuit.
1. EXTERNAL PARTS
Check the battery case, top cover, vent plugs, and
terminal posts for dirt or cracks. If necessary, clean
with water and wipe with a dry cloth.
Apply a thin coat of grease on the terminal posts to
prevent corrosion.
2. ELECTROLYTE LEVEL
Check the electrolyte level in each cell. If the level
is below MIN level, bring the level to MAX level by
pouring distilled water into the battery cell. Do not
fill beyond MAX level.
SC-02100

Page 1984 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual SC(H6DO)-26
Battery
STARTING/CHARGING SYSTEMS
3. SPECIFIC GRAVITY OF ELECTROLYTE
1) Measure specific gravity of electrolyte using a
hydrometer and a thermometer.
Specific gravity varies with tem

SC(H6DO)-26
Battery
STARTING/CHARGING SYSTEMS
3. SPECIFIC GRAVITY OF ELECTROLYTE
1) Measure specific gravity of electrolyte using a
hydrometer and a thermometer.
Specific gravity varies with temperature of electro-
lyte so that it must be corrected at 20°C (68°F) us-
ing the following equation:
S20 = St + 0.0007 × (t – 20)
S20: Specific gravity corrected at electrolyte
temperature 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
[20°C (68°F)]
2) Measuring the specific gravity of the electrolyte
in the battery will disclose the state of charge of the
battery. The relation between specific gravity and
state of charge is as shown in the figure.
D: MEASUREMENT
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 caustic
soda solution.
•Be careful since battery electrolyte overflows
while charging the battery.
•Observe instructions when handling the bat-
tery charger.
•Before charging the battery on the vehicle,
disconnect the battery ground terminal to pre-
vent damage of generator diodes or other elec-
trical units.
1. JUDGMENT OF BATTERY IN CHARGED
CONDITION
1) Specific gravity of electrolyte should be held
within the specific range from 1.250 to 1.290 for
more than one hour.
2) Voltage per battery cell should be held at a spe-
cific value in a range from 2.5 to 2.8 V for more than
one hour.
2. CHECK CONDITION OF CHARGE WITH
HYDROMETER
3. NORMAL CHARGING
Charge the battery at the current value specified by
manufacturer or at approximately 1/10 of battery's
ampere-hour rating.
4. QUICK CHARGING
Quick charging is a method that 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 temper-
ature, 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 cur-
rent range that will not increase the electrolyte tem-
perature above 40°C (104°F).
Also the quick charging is a temporary mean to
bring battery voltage up to some level, and battery
should be charged slowly with low current as a rule.
CAUTION:
•Observe the items in 3. NORMAL CHARGING.
•Never use more than 10 A when charging the
battery because it will shorten the battery life.
SC-00054
010 20 30 40 50 60 70 80 90 100
1.12
1.20
1.16
1.24
1.28
1.22
1.08
1.04
Amount of discharge (%)
Specific gravity ( C)
Battery with standard specific gravity 1,280 (20 C)
Good
Need to charge
Hydrometer
indicator
State of
chargeCorrective action
Green 65% or more Load test
Dark 65% or less Charge battery
ClearLow electro-
lyte
Replace the battery.*
(If cranking is difficult)
* Check electrical system before replacement.

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