Perform Test; Test Preparations; Connecting Bat 131; Battery Test - Bosch BAT 131 Manual Original

4.

Perform Test

4.1

Test Preparations

!
If performing the battery test in a vehicle, ensure
that
$
all additional loads are deactivated,
$
the key is not in the ignition,
$
all doors are closed,
$
measuring is not carried out by or with steel
bolts.
i
Before connecting the tester, clean the battery posts
or side terminals with a wire brush and a mixture of
baking soda and water.
4.2

Connecting BAT 131

!
For a proper connection, rock the clamps back and
forth. The tester requires that both sides of each
clamp be firmly connected before testing. A poor
connection will produce a
WIGGLE CLAMPS
message. If the message appears,
clean the terminals and reconnect the clamps.
i
The preferred test position is at the battery termi-
nals. If the battery is not accessible, you may test at
the jumper post; however, the available power mea-
surement may be lower than the actual value.
4.2.1 Directly on battery posts (TOP POST)
1. Connect the red clamp directly to the positive post
(+).
2. Connect the black clamp directly to the negative
post (–).
4.2.2 On side battery posts via lead post adapter
(SIDE POST)
!
Test results will be inaccurate, if there is no
$
lead post adapter or
$
worn or dirty lead post adapters are used.
!
Tighten the lead post adapter with an adjustable
wrench by a max. of ¼ turn.
1. Connect the red clamp via the lead post adapter (availa-
ble from specialist stores) on the side positive post (+).
2. Connect the black clamp via the lead post adapter
(available from specialist stores) on the side negati-
ve post (–).
4.2.3 On jump-start posts (JUMP START POST)
1. Connect the red clamp to the positive jump-start
post (+).
2. Connect the black clamp to the negative jump-start
post (–).
Robert Bosch GmbH
CHECK CONNECTION or
Perform Test | BAT 131 | 7
4.3

Battery Test

1. BAT. LOCATION
Scroll to and select IN VEHICLE or OUT OF VEHICLE
for a battery not connected to a vehicle.
i
Following an "IN VEHICLE" test you will be prompted
to test the starting and charging systems.
!
The performance of the starting and charging sys-
tems depends on the battery's condition. It is impor-
tant that the battery is good and fully charged before
any further system testing.
2. POST TYPE (In-Vehicle only)
Scroll to TOP POST, SIDE POST or JUMP START
POST where applicable.
i
Battery assessment (refer to Section 4.4) is only
performed if the "BATTERY POST AT TOP" option is
selected.
3. APPLICATION
Scroll to and select AUTOMOTIVE, MOTORCYC-
LE, MARINE, LAWN AND GARDEN, GROUP 31 or
COMMERCIAL-4D/8D.
i
For MOTORCYCLE select "BEFORE DELIVERY" or
"IN SERVICE" and scroll to the correct BATTERY
NUMBER and press E to begin the testing process.
4. BATTERY STANDARD
Scroll to and select STANDARD, AGM FLAT PLATE,
AGM SPIRAL, or GEL where applicable.
5. BATTERY'S RATING SYSTEM
Select the battery standard to be applied.
Standard Description
CA Cranking Amps
CCA Cold Cranking Amps
MCA Marine Cranking Amps
EN Europa-Norm
EN2 Europa-Norm 2
DIN Deutsche Industrie-Norm,
German industry norm
SAE Society of Automotive Engineers, the
European labeling of CCA
IEC International Electrotechnical
Commission
JIS Japanese Industrial Standard, shown on
a battery as a combination of numbers
and letters.
i
For JIS scroll to the correct BATTERY NUMBER and
press E to begin the testing process.
en
Range
100-2000
100-2000
100-2000
100-2000
100-2000
100-1200
100-2000
100-1200
26A17 thru
245H52
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1 689 989 132 2013-09-09