| Author |
Message |
    
dubhouse
New member
Username: dubhouse
Post Number: 1
Registered: 06-2013
| | Posted on Tuesday, June 11, 2013 - 11:56 pm: | 
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I've got all the nuts and bolts loose but there is a oil supply pipe that is keeping me from lifting the head off the cylinder block. It's #17 on the following diagram : http://www.marinepartseurope.com/en/volvo-penta-explodedview-7742090-21-13745.as px
The pipe goes down through the head, through the cylinder block and does not have reasonable access to remove.
Has anybody done this ? Do the studs need to be removed so the head can be rotated without lifting. ? |
mercator30
Member
Username: mercator30
Post Number: 11
Registered: 01-2012
| | Posted on Wednesday, June 12, 2013 - 12:07 am: |
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I was instructed to bend the copper supply line just enough to lift the head off. I was very apprehensive to do this, but it was fairly easy to do. Doesn't take much of a straightening to get the head off, then re-bend it back after replacing. I also if i recall removed three of the studs, but i was working in very close quarters..maybe be able to remove head with one of two studs removed. |
matt_morehouse
Senior Member
Username: matt_morehouse
Post Number: 137
Registered: 12-2009
| | Posted on Wednesday, June 12, 2013 - 09:33 am: |
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Like Mercator said carefully bend the supply line and remove the head. I've done it many times without problem. |
captain_kerber
New member
Username: captain_kerber
Post Number: 1
Registered: 05-2015
| | Posted on Saturday, May 30, 2015 - 02:34 pm: |
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Having trouble removing the injectors In a md2. I removed the nuts and holding plate but it will not budge. I have broken many things in my life and do not want to force it. It does not unscrew does it? Heading to Napa to see what kind of puller might work. Any suggestions. |
matt_morehouse
Senior Member
Username: matt_morehouse
Post Number: 152
Registered: 12-2009
| | Posted on Saturday, May 30, 2015 - 05:10 pm: |
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Apply Kroil and tap lightly. Might have to let it sit and repeat for a few days.
It does not unscrew and there is no puller that I know of. |
captain_kerber
New member
Username: captain_kerber
Post Number: 2
Registered: 05-2015
| | Posted on Saturday, May 30, 2015 - 06:20 pm: |
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Thank you that is what I have been doing so I will just keep at it. |
350_astro
Member
Username: 350_astro
Post Number: 5
Registered: 05-2014
| | Posted on Saturday, May 30, 2015 - 07:17 pm: |
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I don't know what the top of the injector looks like but i have welded a metric nut that fits the pressure line to a 5/8 nf nut and used a slide hammer to pull it out. |
matt_morehouse
Senior Member
Username: matt_morehouse
Post Number: 153
Registered: 12-2009
| | Posted on Saturday, May 30, 2015 - 09:15 pm: |
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Last resort. If it is not an emergency take the slow and easy way.
It will work...eventually. |
jimdereynier
Senior Member
Username: jimdereynier
Post Number: 109
Registered: 08-2007
| | Posted on Sunday, May 31, 2015 - 08:30 pm: |
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Instead of Koil, try 1 part acetone and one part automatic steering fluid ( ATF). Someplace( Practical Sailor ?) a comparison was done on WD-40, Kroil and this mixture. The mixture did better on releasing rusted objects than Kroil and 50% better than WD-40. ( better was defined as required torque to release.
Bottom line though is listen to Matt. |
captain_kerber
New member
Username: captain_kerber
Post Number: 3
Registered: 05-2015
| | Posted on Monday, June 01, 2015 - 03:15 am: |
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Thanks I will give it a try still nothing so far spending an hour each morning banging on it the soaking it till the next morning anyone with other ideas I will try them all |
johnoxley
Senior Member
Username: johnoxley
Post Number: 132
Registered: 04-2010
| | Posted on Monday, June 01, 2015 - 09:47 am: |
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Hi - M2DB not my regular work, but longish injectors often tight particularly on marine jobs.. Usually need to build or borrow puller or slide hammer if damage is to be avoided. Needs to be a quality job to avoid damage as I suspect parts are all out of production. Can a slide hammer be welded to a spare cap nut and screwed in? http://www.marinepartseurope.com/en/volvo-penta-explodedview-7742090-23-13776.as px |
matt_morehouse
Senior Member
Username: matt_morehouse
Post Number: 154
Registered: 12-2009
| | Posted on Monday, June 01, 2015 - 11:24 am: |
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Looking at that exploded view reminded me that I used a small crowbar to gently lift the injector.
When you put it back in be sure to use anti-sieze compound. |
