B. Temperature correct each cell reading. For each
H. Using the table below, determine the minimum
voltage for the cell temperature reading.
10
oF (5.5oC) above 80oF (26.7oC) add 0.004 to the
specific gravity reading. For each 10oF (5.5oC) be-
low 80oF (26.7oC) subtract 0.004 from the specific
Minimum
Voltage
Battery Electrolyte
Temperature
gravity reading.
Example:
Cell Temperature 100oF
9.6
9.5
9.4
9.3
9.1
8.9
8.7
8.5
70oF (and up)
60oF
21.1oC (and up)
Cell Gravity
1.245
0.008
1.253
15.6oC
10.0oC
4.4oC
ADD (20o above 80oF)
Correction to 80oF
50oF
40oF
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
battery. Charge at the recommended rate and time
given in Charging or until all cells specific gravity is
or greater with the difference in specific grav-
ity between the highest and lowest cell less than
If these charging conditions can not be met,
30oF
--1.1oC
--6.7oC
--12.2oC
--17.8oC
20oF
10oF
1.225
0oF
0.050.
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.
replace the battery.
3.
Perform a high--discharge test with an adjustable
load tester.
Installation
Thisisoneofthemostreliablemeansoftestingabattery
asitsimulatesthecold--crankingtest.Acommercialbat-
tery load tester is required to perform this test.
IMPORTANT: To prevent possible electrical prob-
lems, install only a fully charged battery.
1.
Make sure the ignition switch and all accessories
are off.
CAUTION
2.
Make sure the battery compartment is clean and re-
painted if necessary.
Follow the manufacturer’s instructions when us-
ing a battery tester.
3.
Make sure all battery cables and connection are in
goodconditionandthatthebatteryholddownclamphas
been repaired or replaced.
A. Check the voltage across the battery terminals
prior to testing the battery. If the voltage is less than
4.
Lift seat and place the battery in its compartment.
12.0
VDC, recharge the battery.
Make sure battery is level and flat. Push the positive
cable connector onto positive battery post. Do not ham-
mer; this will damage the battery. Tighten bolts with two
wrenches.
B. Ifthebatteryhasbeencharged,applya150amp
load for 15 seconds to remove the surface charge.
Use a battery load tester following the manufactur-
er’s instructions.
5.
Secure battery retainer to the battery with the two
wing nuts. Do not overtighten to prevent cracking or dis-
torting the battery case (Fig. 28).
C. Makesurethebatteryterminalsarefreeofcorro-
sion.
6.
cable connectors to reduce corrosion after connections
are made.
Apply a light coat of grease on all battery posts and
D. Measure the temperature of the center cell.
E. Connect a battery load tester to the battery ter-
minals following the manufacturer’s instruc-
tions. Connect a digital multimeter to the battery
terminals.
7.
Connect a digital multimeter (set to amps) between
the negative battery post and the negative (ground)
cable connector. The reading should be less than 0.1
amp. If the reading is 0.1 amp or more, the unit’s electri-
cal system should be tested and repaired.
F. Apply a test load ofone half the Cranking Perfor-
mance(seeBatterySpecifications)ratingofthebat-
tery for 15 seconds.
8.
Connect the negative (ground) cable connector to
G. Take a voltage reading at 15 seconds, then re-
move the load.
the negative battery post.
Electrical System
Page 5 -- 20
Greensmaster 3150
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Greensmaster 3150 |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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