Gary:
Problem with changing the mixing elbow was the limited and awkward space
to work in on my boat......access is in through the port locker into the
engine compartment,,,,access is restricted because of hot water heater
in the port locker (could be removed but I didn't, extra
work).....mixing elbow in on the starboard side so I am lying on my
right side using my left hand.....I am 'right handed'.
Ended up taking the mixing elbow off by working from the front of the
engine. A friend had done it before and helped me. He had "blank(s)"
or "bolts without heads" that could be screwed into the exhaust manifold
to guide and hold the mixing elbow in place while you attached the
permanent ones. Doing that 'blind' from the front of the engine or
trying to do it with one hand would be almost impossible.
Then attaching the hose from the mixing elbow to the new Vernalift
muffler proved to be a challenge......used a heat gun to soften the
hose....just difficult to work with one hand much of the time.
Rob
On 2014/01/23 5:48 PM, ahycr...@cox.net wrote:
Bob
No problem taking off the elbow assembly 20 min job. The exhaust hose
on the other hand is another thing. Why was the elbow such a problem for you ?
Gary
---- Robert Abbott <robertabb...@eastlink.ca> wrote:
Gary:
I replaced mixing elbow, muffler and exhaust hose from the muffler back
to the thru hull. We have different boats so I can't be specific on the
challenge you may be facing with your exhaust hose.
The biggest challenge for me was getting access to the thru hull at the
transom. I had to take out the propane locker and that proved to be a
PITA....I had to make a tool from a piece of 'angle iron' to cut the
adhesive that held the locker in place. Then I had to virtually stand
on my head to reach the thru hull. When I put the propane locker back
in, I rebeaded it with buytl. (spelling incorrect). Running the new
hose back under the cockpit was not a problem. If you think it will be
on your boat, try duct tape the new one to the old one (muffler end) and
pull it through.
Now the mixing elbow replacement was a real challenge....by the time I
had completed that job, I looked I like I had been 'mugged'.....the
'contractors' that do this work on a regular basis deserve all the money
they get paid.
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
On 2014/01/22 6:06 PM, ahycr...@cox.net wrote:
yesterday I picked up a new mixing elbow assembly for our yanmar 3gm30. The old
one was just about closed up with rusty carbon and crud I'm surprised the
engine worked at all ! The next thing on the list is the flex hose that goes
from the water muffler to the transom. I'm not to sure about trying to wiggle
all the way back there you know it has to be a 2 way trip ! Has anyone been
down this road before and if so any advice ? Liberty is a 38 foot Mark I and it
looks as though the transom is about 42 feet in back of the rudder shaft.
Gary Kolc
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