Reply
 
Thread Tools Search this Thread Display Modes
 
Old 07-22-2018, 10:01 AM   #1
Senior Member
 
Molly's Avatar
 
City: Punta Gorda
Country: USA
Vessel Name: La Bella Vita
Vessel Model: 2006 Mainship 34T
Join Date: May 2018
Posts: 127
oil heat exchanger

This is the 1st season with my boat. I have an oil xchanger. It will drain/fill the 2 engines and the genny. I drained the both engines ok, but the genny seems to be a problem. Almost no oil came out. Just a few drops, maybe 1 cup. There is oil in the genny. I need to go back in with my "old fashion" oil sucker to get the oil out. Anyone had this happen to them? My first response would be a worn impeller. The hose seems to be hooked up to the bottom of the oil pan.

Plus, I feel I should fill the regular way. Pour the oil into the filler cap. To fill with the exchanger you would pour the oil into a bucket and push it into the engine. So, all the dirty oil in the hose is going back in. Plus, it's not that hard to just pour the oil in.
__________________
Advertisement

Molly is offline   Reply With Quote
Old 07-22-2018, 10:11 AM   #2
Guru
 
O C Diver's Avatar
 
City: Fort Myers, FL... Summers in Crisfield, MD
Country: USA
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 7,321
If you're not oil sampling or already have, try pushing some oil into the generator with the oil pump and then try pulling it out. Maybe there's a slight blockage of vacuum that can be overcome.

I agree with you on suck the old oil out and pouring new oil in.

Ted
__________________

__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
O C Diver is online now   Reply With Quote
Old 07-22-2018, 10:37 AM   #3
Guru
 
Dougcole's Avatar
 
City: Carrabelle, FL
Country: USA
Vessel Name: Morgan
Vessel Model: '05 Mainship 40T
Join Date: Jan 2008
Posts: 1,137
My generator has a shut off valve that has to be opened to allow the exchanger to suck it out. It could probably be left open but it's easy to reach so I close it just to be safe.
Dougcole is offline   Reply With Quote
Old 07-22-2018, 10:41 AM   #4
Guru
 
ranger42c's Avatar
 
City: Maryland
Country: USA
Vessel Model: 42' Sportfish
Join Date: Aug 2013
Posts: 4,443
Quote:
Originally Posted by Molly View Post
This is the 1st season with my boat. I have an oil xchanger. It will drain/fill the 2 engines and the genny. I drained the both engines ok, but the genny seems to be a problem. Almost no oil came out. Just a few drops, maybe 1 cup. There is oil in the genny. I need to go back in with my "old fashion" oil sucker to get the oil out. Anyone had this happen to them? My first response would be a worn impeller. The hose seems to be hooked up to the bottom of the oil pan.

Plus, I feel I should fill the regular way. Pour the oil into the filler cap. To fill with the exchanger you would pour the oil into a bucket and push it into the engine. So, all the dirty oil in the hose is going back in. Plus, it's not that hard to just pour the oil in.

There's another valve on our X-Changer connection to the genset drain/fill hose... located at the generator. Until I found that and opened it, the symptom was exactly as you describe.

Our X-Changer drains/fills both mains, both gears, and the generator. I tend to drain mains and genset first, then gears... since the gear oil is always clean and it at least cleans the exterior X-Changer hose before refilling. The hose run from each engine's discharge outlet to the X-Changer is relatively small, so I'd think there's not much there to worry about, maybe less than whatever's left in the oil pan.

And... we don't have routine overhead clearance to refill the mains through the top anyway, so we use the X-Changer to refill... and haven't really noticed any issues from that. I'm thinking ( hoping) anything in the new oil, leftover from the old oil, will be quickly trapped by the new filters.

-Chris
__________________
South River, Chesapeake Bay
ranger42c is offline   Reply With Quote
Old 07-22-2018, 12:11 PM   #5
Guru
 
High Wire's Avatar
 
City: Cape May, NJ and Englewood, FL
Country: USA
Vessel Name: Irish Lady
Join Date: Dec 2007
Posts: 2,698
X3 valve at generator oil pan.
__________________
Archie
1984 Monk 36 Hull #46
Currently in Cape May, NJ
High Wire is offline   Reply With Quote
Old 07-22-2018, 03:08 PM   #6
Senior Member
 
Molly's Avatar
 
City: Punta Gorda
Country: USA
Vessel Name: La Bella Vita
Vessel Model: 2006 Mainship 34T
Join Date: May 2018
Posts: 127
Thanks
I will check for that valve.
Mine is not hooked up to the trannies.
I have very good access. The Mainship 34 has wonderful engine access.
__________________

Molly is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off





All times are GMT -5. The time now is 10:48 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2006 - 2012