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DC CONTROL
Figure 10. Check Pinion Gear Operation (V-Twin)
Figure 11. Check Pinion Gear Operation
(Single Cylinder)
TOOLS FOR STARTER PERFORMANCE TEST:
The following equipment may be used to complete a
performance test of the starter motor:
A clamp-on ammeter.
A tachometer capable of reading up to 10,000 rpm.
A fully charged 12-volt battery.
MEASURING CURRENT:
To read the current flow, in AMPERES, a clamp-on
ammeter may be used. This type of meter indicates
current flow through a conductor by measuring the
strength of the magnetic field around that conductor.
PART 4
Figure 12. Clamp-On Ammeter
TACHOMETER:
A tachometer is available from your Generac Power
Systems source of supply. Order as P/N 042223. The
tachometer measures from 800 to 50,000 RPM,
Figure 13.
Figure 13. Tachometer
TEST BRACKET:
A starter motor test bracket may be made as shown
in Figure 14. A growler or armature tester is available
from an automobile diagnostic service supplier.
SECTION 4.4
DIAGNOSTIC TESTS
Page 4.4-7
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