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#1
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337G Hydraulic Power Pack solenoid problem
Hi everyone!
I´m from Portugal. Hope someone could help me. I´ve been trouble shooting a 337G landing gear. Works fine except for both solenoids getting so hot to a point that the pilot touched them and got second degree burn. They are the old sealed ones. Electrically speaking the gear solenoid is always energised except when landing gear selector is down or when on ground (squat switch), the door solenoid is supplied all the time. Changing solenoids will solve my problem? I also read a post that cleaning the solenoids (new type) solved this problem Thanks Steven |
#2
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Hi Steven, there is a Service Bulletin on the solenoids, I would replace them. You might want to talk to Rick Cox at Cox aeroparts in Wichita, Ks.
Best of Luck, Brent |
#3
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Cox Air Parts 316-945-0737
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#4
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Service Bulletin on the solenoids
Hi All,
Please share the Service Bulletin number for said solenoids for hydraulic Power Pacs. Thanks, Guy Paris |
#5
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I'll check if I still have a copy of it, but this is Cessna's reply on the Skymaster website:
"Cessna does not and it does not allow others to post its service letters and bulletins on websites. Cessna has a full range of copyrighted service publications available for owners, including subscriptions to Service letters and bulletins. Cessna directly distributes such publications to ensure that accurate, correct, and complete service information is provided to individual owners for their specific aircraft. If you would like more information about Cessna copyrighted service publications, please contact Cessna Customer Services, Telephone No. 316/517-5800 or Facsimile No. 316/942-9006." |
#6
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hydraulic power pack
Do you recall what year the service bulletin on the power pack came out?
thanks, Guy Paris.... |
#7
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I think ya'll are talking about SE76-24. It came out in Nov 76
They had a special price of $43.00 ea. Now they are $4100.00 ea. |
#8
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SE76-24 for your viewing pleasure
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#9
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There is also a service bulletin on the actuators, Main Gear is MEB02-7 and nose gear is MEB95-14.
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#10
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Thanks Brent for your help.
Still having problems with the over heating solenoids. I´ll call him up. Thanks once again Steven |
#11
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Just call it 4.1 AMU's....it softens the pain.
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