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Welp, after cleaning solenoids and running the gear several times no problem…there is a problem.
No obvious hydraulic leaks. Adequate hydraulic fluid level in reservior. Using additional 24v ground power, not just ships battery.
Gear retraction is normal.
Gear extension is normal, but doesn’t “complete” in the prescribed time of 13-16 seconds. What we’re seeing is normal extension, followed by no green light until after about 20-30 seconds total pump run time. In flight or on jacks, same results.
I’ve read the service manual and examined the wiring diagrams. I’m thinking it could possibly be one of the power pack pressure switches?
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