IMPORTANT: Before cleaning the battery, tape or
block the vent holes to the filler caps and make sure
the caps are on tightly.
CAUTION
C. Check for signs of wetness or leakage on the top
of the battery which might indicate a loose or missing
filler cap, overcharging, loose terminal post, or over-
filling. Also, check the battery case for dirt and oil.
Clean the battery with a solution of baking soda and
water, then rinse it with clean water.
Follow the manufacturer’s instructions when us-
ing a battery tester.
A. Check the voltage across the battery terminals
prior to testing the battery. If the voltage is less than
12.0
VDC, recharge the battery.
D. Check that the cover seal is not broken away. Re-
place the battery if the seal is broken or leaking.
B. If the battery has been charged, apply a 150 amp
load for 15 seconds to remove the surface charge.
Use a battery load tester following the manufactur-
er’s instructions.
E. Check the electrolyte level in each cell. If the level
is below the tops of the plates in any cell, fill all cells
with distilled water to the bottom of the cap tubes (or
fill line). Charge at 15 to 25 amps for 15 minutes to
allow sufficient mixing of the electrolyte.
C. Make sure the battery terminals are free of corro-
sion.
D. Measure the temperature of the center cell.
2.
Conduct a hydrometer test of the battery electrolyte.
E. Connect a battery load tester to the battery termi-
nals following the manufacturer’s instructions.
Connect a digital multimeter to the battery terminals.
IMPORTANT: Make sure the area around the cells is
clean before opening the battery caps.
A. Measure the specific gravity of each cell with a
hydrometer. Draw electrolyte in and out of the
hydrometer barrel prior to taking a reading to warm–
up the hydrometer. At the same time take the tem-
perature of the cell.
F. Apply a test load of one half the Cranking Perfor-
mance (see Battery Specifications) rating of the bat-
tery for 15 seconds.
G. Take a voltage reading at 15 seconds, then re-
move the load.
B. Temperature correct each cell reading. For each
10
o
F (5.5
specific gravity reading. For each 10
F (26.7 C) subtract 0.004 from the specific grav-
ity reading.
o
C) above 80
o
F (26.7
o
C) add 0.004 to the
H. Using the table below, determine the minimum
voltage for the cell temperature reading.
o
o
F (5.5 C) below
80
o
o
Minimum
Voltage
Battery Electrolyte
Temperature
Example:
Cell Temperature
100oF
Cell Gravity
ADD (20o above 80oF)
Correction to 80oF
1.245
0.008
1.253
9.6
9.5
9.4
9.3
9.1
8.9
8.7
8.5
70
o
F (and up)
21.1 C (and up)
o
60
o
50
o
40
o
30
o
20
o
10
o
F
F
F
F
F
F
15.6
o
o
C
C
10.0
C. If the difference between the highest and lowest
cell specific gravity is 0.050 or greater or the lowest
cell specific gravity is less than 1.225, charge the bat-
tery. Charge at the recommended rate and time giv-
en in Charging or until all cells specific gravity is
4.4
–1.1
–6.7
o
C
o
C
C
o
–12.2
o
C
1.225
or greater with the difference in specific gravity
between the highest and lowest cell less than 0.050.
If these charging conditions can not be met, replace
the battery.
0
o
F
–17.8
o
C
I. If the test voltage is below the minimum, replace
the battery. If the test voltage is at or above the mini-
mum, return the battery to service.
3.
Perform a high–discharge test with an adjustable
load tester.
This is one of the most reliable means of testing a battery
as it simulates the cold–cranking test. A commercial bat-
tery load tester is required to perform this test.
Electrical System
Page 6 – 24
Workman 1100/1110/2100/2110
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| Language | English |
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