Figure 24-8. Testing Positive Rectifiers Figure 24-9. Testing Negative Rectifiers
With Test Lamp With Test Lamp
5. Reverse test probes (move probe from rectifier heatsink to rectifier strap and move probe from rectifier
strap to rectifier heatsink), and repeat test for each rectifier.
—NOTE—
If test lamp lights in one direction but not in the other, rectifier is
s a t i s f a c t o r y. However, if test lamp lights in both directions,
rectifier is shorted. If test lamp fails to light in either direction,
rectifier is open.
—NOTE—
Lamp should light in same direction for all rectifiers on each
assembly.
6. Replace rectifier and heatsink assemblies which have shorted or open rectifiers.
24 - 32 - 00
Page - 24 - 17
Reissued: August 1, 1986
1I16
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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