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Vanguard Twin Cylinder OHV Liquid-Cooled Manual

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Vanguard
TM
Twin-Cylinder OHV Liquid-Cooled Engine
Section 2 - Troubleshooting
Page 12
STARTER CURRENT DRAW TEST
IMPORTANT: When making the starter current draw
test make sure that all parasitic load is removed from the
engine and that engine has the correct viscosity oil.
Engine temperature should be at least 70°F (21°C).
Make sure battery and solenoid connections are clean
and tight.
NOTE: Battery voltage must not be below 11.7
volts.
Test Equipment
The following equipment is required to test current draw
of starter, Fig. 9.
Fig. 9
1. Digital multi-meter, Tool #19464.
2. DC shunt, Tool
#19468.
3. Two battery cables with alligator clips.
4. One jumper wire with alligator clips.
5. A fully charged 12 volt battery.
Testing Starter
NOTE: To prevent engine from starting, remove
spark plug wires from spark plugs and ground
ignition using two Ignition Testers, Tool
#19368.
Leave spark plugs installed.
The starter current draw test will be performed with the
meter in the
300mV position.
The DC Shunt must be installed on the negative (-)
terminal of the battery, Fig. 10.
Fig. 10
1. Attach RED meter test lead to RED post
terminal on shunt.
2. Attach
BLACK meter test lead to BLACK post
terminal on shunt.
3. Activate starter.
a. Allow 3 seconds for meter reading to stabilize.
4. Current draw should not exceed 80 amps DC.
If amperage draw exceeds specification, remove starter
from engine and perform No Load starter current draw
test.
19464
19468
BATTERY
CABLES
JUMPER WIRES
3000mV
ATTACH NEGATIVE
BATTERY CABLE
… 17 …


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