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1. 04:38 AM - M14P Overhaul TBO (ZUDSJ)
2. 06:25 AM - Re: M14P Overhaul TBO (Richard Goode)
3. 11:45 AM - Re: M14P Overhaul TBO (Bitterlich, Mark G CIV NAVAIR, WD)
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| Subject: | M14P Overhaul TBO |
Hi
I am new to this forum and a new Yak 52 owner in South Africa. I wanted to
find out what the TBO is for the M14P in other countries as I believe that with
the kind of flying we do (post military) and the kind of maintenance we do surely
these engines can take more than 500 hours before complete overhaul?
I am aware that this topic has probably been debated to death but really keen on
hearing from other Yak owners in other countries.
Many thanks
Jason-South Africa
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=438473#438473
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| Subject: | M14P Overhaul TBO |
The official factory TBO is 750 hours before first overhaul, but 500 hours
for the M 14 PF. Then the TBO is 500 hours.
To the best of my knowledge this must be observed in all European countries,
although some will give a 10% extension "on condition".
In other countries with a more liberal approach, the engines can operate "on
condition", and I know of a number that are working fine at 1500 hours.
Indeed the same basic engine is used to power generating sets in Siberian
oilfields, and they expect to get 20,000 hours, but of course operating
continuously with very few start-ups and at about 55/60% power.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of ZUDSJ
Sent: 18 February 2015 12:38
Subject: Yak-List: M14P Overhaul TBO
Hi
I am new to this forum and a new Yak 52 owner in South Africa. I wanted to
find out what the TBO is for the M14P in other countries as I believe that
with the kind of flying we do (post military) and the kind of maintenance we
do surely these engines can take more than 500 hours before complete
overhaul?
I am aware that this topic has probably been debated to death but really
keen on hearing from other Yak owners in other countries.
Many thanks
Jason-South Africa
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=438473#438473
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Message 3
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| Subject: | M14P Overhaul TBO |
Some comments to add. Of course your mileage may vary from engine to engine,
but mine lost the first mag around 600 hours due to an internal gear failure.
It locked up and sheared the coupling. Replaced it, and 100 hours later, the
other mag quit dead due to a bad coil. I found it interesting that both mags
quit within 100 hours of each other.
Other than that, at 800+ hours, I have lost the compressor once, and have had to
repair exhaust valves on two cylinders from leading accumulation on the exhaust
valve. That happened very early on the engine and I was running it at low
RPM and low power settings for cross countries. I since added ... wait for it...
wait for it... *MARVEL MYSTERY OIL* to the fuel and started running the engine
much harder and all the leading problems just went away.
Lost an oil screen and course fuel screen, oil pressure and fuel pressure transducer,
and two primer hoses. They seem to go bad constantly, no idea why really.
Possibly I am over-pressurizing them when priming? Don't know.
Bottom line, I believe having your mags rebuilt after about 500 hours or so might
not be a bad idea? Not sure, but I don't like to lose mags in flight. Of
course, that's why there are TWO! :-)
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Richard Goode
Sent: Wednesday, February 18, 2015 9:24 AM
Subject: RE: Yak-List: M14P Overhaul TBO
--> <richard.goode@russianaeros.com>
The official factory TBO is 750 hours before first overhaul, but 500 hours for
the M 14 PF. Then the TBO is 500 hours.
To the best of my knowledge this must be observed in all European countries, although
some will give a 10% extension "on condition".
In other countries with a more liberal approach, the engines can operate "on condition",
and I know of a number that are working fine at 1500 hours.
Indeed the same basic engine is used to power generating sets in Siberian oilfields,
and they expect to get 20,000 hours, but of course operating continuously
with very few start-ups and at about 55/60% power.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of ZUDSJ
Sent: 18 February 2015 12:38
Subject: Yak-List: M14P Overhaul TBO
Hi
I am new to this forum and a new Yak 52 owner in South Africa. I wanted to find
out what the TBO is for the M14P in other countries as I believe that with the
kind of flying we do (post military) and the kind of maintenance we do surely
these engines can take more than 500 hours before complete overhaul?
I am aware that this topic has probably been debated to death but really keen on
hearing from other Yak owners in other countries.
Many thanks
Jason-South Africa
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=438473#438473
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