Briggs & Stratton Vanguard 430000, User Manual

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11
Figure 41
Starter System
The starter system consists of a 12 volt automotive
type electric starter with a solenoid (Figure 42).
When the solenoid is activated, the drive lever
moves the pinion gear into engagement with the
flywheel ring gear and allows battery current to flow
to the starter motor and crank the engine.
Figure 42
Starter Current Draw Test
NOTE: When making the starter current draw test
make sure that all parasitic load is removed from
the engine.
Ensure the battery and solenoid connections are
clean and tight. Battery voltage must not be below
11.7 volts.
Test Starter
NOTE: To prevent engine from starting, remove
spark plug wires from spark plugs. Leave spark
plugs installed.
1. Set meter to the 300mV== position.
2. The DC Shunt must be installed on the
negative ( - ) terminal of the battery (Figure
43).
Figure 43
3. Attach RED meter test lead to RED post
terminal on shunt.
4. Attach BLACK meter test lead to BLACK post
terminal on shunt.
5. Activate starter and allow three seconds for
the meter reading to stabilize.
6. Current draw should not exceed 80 amps DC.
7. If amperage exceeds specification, remove
starter from engine and perform the No Load
starter current draw test.
Test Starter (No Load)
1. Remove starter.
NOTE: To hold starter securely while testing, clamp
starter mounting bracket in a vise (Figure 44). DO
NOT clamp starter housing in a vise or field
windings or magnets may be damaged.