Electrical System Quick Checks
Battery Test (Open Circuit Test)
Use a multimeter to measure the voltage between the
battery terminals.
Voltage Measured
v (or higher)
Battery Charge Level
Fully charged (100%)
75% charged
12.68
Set the multimeter to the DC volts setting. The battery
should be at a temperature of 60o to 100o F (16o to 38o
C). The ignition key should be in the OFF position and
all accessories turned off. Connect the positive (+) me-
ter lead to the positive battery post and the negative (--)
meter lead to the negative battery post.
12.45
12.24
12.06
11.89
v
v
v
v
50% charged
25% charged
0% charged
NOTE: Thistestprovides arelative condition ofthebat-
tery. Load testing of the battery will provide additional
and more accurate information.
Charging System Test
This is a simple test used to determine if a charging sys-
temis functioning. It will tell you if acharging system has
an output, but not its capacity.
Starttheengine and runathighidle (3050 -- 3150RPM).
Allowthebatterytochargeforatleast3minutes.Record
the battery voltage.
UseamultimetersettotheDCvoltssetting.Connectthe
positive (+) meter lead to the positive battery post and
the negative (--) meter lead to the negative battery post.
Leave the test leads connected and record the battery
Test results should be (example):
At least 0.50 volt over initial battery voltage.
Initial Battery Voltage
= 12.30 v
= 12.80 v
= +0.50 v
voltage.
Battery Voltage after 3 Minute Charge
Difference
NOTE: Upon starting the engine, the battery voltage
will drop and then should increase once the engine is
running.
NOTE: Depending upon the condition of the battery
charge and battery temperature, the charging system
voltage will increase at different rates as the battery
charges.
Neutral Switch Operation
Neutral switch operation is described in the Multi Pro
5700--D Operator’s Manual. Testing of the neutral
switch is included in the Component Testing section of
this Chapter.
CAUTION
Do not disconnect neutral interlock switch. It is
for the operator’s protection. Check the opera-
tion of the switch daily for proper operation. Re-
place malfunctioning neutral interlock switch
before operating the machine.
Electrical System
Page 5 -- 6 Rev. C
Multi Pro 5700--D
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