The Murphy Builders Site

hey angus

saw story about your trip to Sudan, cool, perhaps we should call you " RAMBO
" after seeing the pic of you and that machine gun, very cool

mike#007

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Angus McKenzie
Sent: Thursday, July 06, 2006 8:22 AM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] 1800 amphib hydraulics


Finally found and fixed my problem.
Just as Drew had experienced we replaced the two "O" rings on the piston
(right front actuator) as per MAM numbers (116) but still had probs. Main
gear kept dropping out of the wells, pressure was intermittent.
Trouble shooting the system led us back to the same cyl.
Took the whole thing into CBS Bearing Supply and the and ended up requiring
a size larger "O" rings to properly seal. Reassembled, bled and everything
seems to be OK.
The new "O" rings on the piston are #216
End caps are #027
Shaft seal #112
Angus




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Hi Angus,
I've been watching for your solution to the gear droping problem. Mine have never been good since the begining. I have also isolated a problem with the check ball on the pressure side of the pump, but a little cleaning helped with that, it just didn't do everything.
I just now found a leak on a main cylinder end cap, but only in the up position so it was not leaving a trace on the floor or in the gearwell. I guess I'm going to go thru the whole system this winter and replace any o ring I can find!
Speaking of that, the numbers you gave for the o-rings, whose are they? Do they run the same as the "MS" numbers? Obviously they are the oil type, but are you're numbers the dash number that usually follows?
Thanks for the help, keep safe out there.
Curt N97MR

-----Original Message-----
From: Angus McKenzie <angus@lweb.net>
To: rebel-builders@dcsol.com
Sent: Thu, 6 Jul 2006 08:21:43 -0400
Subject: [rebel-builders] 1800 amphib hydraulics


Finally found and fixed my problem.
Just as Drew had experienced we replaced the two "O" rings on the piston (right
front actuator) as per MAM numbers (116) but still had probs. Main gear kept
dropping out of the wells, pressure was intermittent.
Trouble shooting the system led us back to the same cyl.
Took the whole thing into CBS Bearing Supply and the and ended up requiring a
size larger "O" rings to properly seal. Reassembled, bled and everything seems
to be OK.
The new "O" rings on the piston are #216
End caps are #027
Shaft seal #112
Angus




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