Testing The Battery - CEN-TECH 91129 Quick Start Manual

500 amp carbon pile load tester
Table of Contents

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Operating Instructions
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this
manual including all text under subheadings therein before set up or use of this product.
Inspect tool before use, looking for damaged, loose, and missing parts.
If any problems are found, do not use tool until repaired.

Testing the Battery

1. Wipe the battery terminals with a cloth
to remove any dirt and grease.
2. Make sure the Load Knob (C) is in the off position.
Connect the red (positive) Cable Clamp (A) to
the positive terminal (+) on the 12 V battery.
See photo on page 4.
3. Connect the black (negative) Cable Clamp (B)
to the negative terminal ( –) on the battery.
4. Turn the Load Knob (C) clockwise until the
DC ammeter reads 1/2 the Cold Crank Amp
(CCA) rating or three times the amp-hour
Amp Scale
Amp Hour
Scale
CCA Scale
Negative Cable (-)
Page 4
DC Amp Meter
5 0 0 A M P
C A R B O N
P IL E
L O A D T
E S T E R
Te sti ng
Ca pa bil ity
Lo ad Te
12 VD C
st Ca pa cit
Ba tte rie
y
s, Alt ern
Dis pla y
16 0 Ah ;
ato rs, an
Me ter s
10 00 CC
d Sta rte
A ma x. tes
An alo g,
rs
tin g; 0-5
Te st Cy cle
0-1 6 VD C
00 A loa d
(m ax .); An
15 se co nd
s pe r tes
alo g, 0-5
Ba tte ry
3 tes ts in
t wi th a
00 A
Ca ble s
5 mi nu tes
1 mi nu te
co ol do wn
3' x 4 AW
ma xim um
G wi th co
;
pp er- pla
ted cla mp
s
O F F
04b -11e
IT EM 91
Black Cable
(Clamp B)
For technical questions, please call 1-800-444-3353.
(Ah) capacity of the battery. The CCA and
AH rating are printed on the battery label.
5. Maintain load for 15 seconds. After 15 seconds
has passed, the unit will sound with a beep.
6. View the DC Volts Meter and read the
battery condition. Refer to the "Battery
Condition Analysis" section on page 5.
7. Turn the Load Knob (C) counterclockwise to Off,
and remove the Cable Clamps from the battery.
NOTE: Freezing temperatures affect the battery test
reading. Decrease the battery rating 50 cold cranking
amps for each 50°F (10°C) below freezing 32°F (0°C).
DC Volt Meter
Load
Knob (C)
W A R N IN
G
To pr ev en
t se rio us
1. W ea r
inj ur y an
AN SI -ap
d bu rn s:
pro ve d sa
he av y-d uty
fet y go gg
wo rk glo
les an d
ve s du rin
2. Do no
g se tup an
t tou ch tes
d us e.
ter 's ve nts
L O A D
Ve nt s ge
t VE RY HO
du rin g or
aft er us e.
T du rin g
3. Ins pe
us e.
ct be for e
ev ery us
do no t us
e;
e if pa rts
loo se or
4. Us e as
da ma ge d.
int en de d
on ly.
5. Re ad
ma nu al be
for e se t up
an d/o r us
e.
12 9
Ma de in
Ch ina .
Red Cable
(Clamp A)
Battery Test:
Green - OK
Red - Replace
State of Charge:
Green - OK
Red - Recharge
Alternator &
Regulator Test:
Green - OK
Red - Low
Positive Cable (-)
SKU 91129

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