Volvo Penta 280 285 290 DP SP A B C Workshop Manual

Welding
Welding on certain parts of the sterndrive and the
4.
The exhaust channel in the intermediate housing
transom shield is allowed. Extreme caution must be
used to prevent damage to the precision machined
surfaces or precision parts used in the sterndrive (i.e.
near bearing locations). Always use Volvo Penta
welding electrode 839643-4 when making any weld-
ing repairs to the sterndrive or transom shield.
except at the steering spindle and around the up-
per and lower bearing positions of the vertical
shaft.
5.
The lower unit housing on the cavitation plate and
the exhaust channel except around the bearing
positions. The lower fin provided no more that 2/
3
of it is missing measured vertically. The water
intake channel at the front of the housing, how-
ever, it is important to maintain the channel pro-
file. The correct profile is important to prevent re-
stricted water flow to the engine. The exhaust
outlet, trim tab and propeller cone may be weld-
ed. It is important to protect the rubber exhaust
flap during welding.
Parts that  cannot be  welded
WARNING! The following parts are safety
related and are not allowed to be welded.
The steering fork, steering helmet, clamp ring, tiller
arm, suspension yoke and exhaust elbows, trim cyl-
inders, trim cylinder attachment, power steering cyl-
inder attachment, power steering cylinder, and the
area around the suspension pins. On or around pre-
cision machined surfaces or precision parts.
6.
Pressurize the housing after repair. See chapter
Pressureandvacuumtesting.
Repair  instructions
Dismantle and clean the damaged part of the stern-
drive. Grind the area to be welded according to in-
dustry standard for welding aluminum. The welding
should not be done at less than 20 ºC (68 ºF). If a
part has been broken off and hasn’t been lost, it
should be used. Even if the surfaces are to be weld-
ed, there should be a V groove approximately 45º on
both sides of the joint. Make the repair using Argon
welding and Volvo Penta electrode 839643-4. Al-
ways pressure and vacuum test the sterndrive as an
assembly before returning to service. The shaded
portions of the sterndrive and flywheel housing indi-
cate where welding is permitted except where noted
above.
Parts which  can be  welded
1.
The neck of the flywheel housing for the attach-
ment of the rubber bellows. Grind the neck
smooth after welding to get an even surface.
2.
The transom shield except on and around the
suspension ears, steering journals, around the
suspension pins and the attachment of the trim
cylinders.
3.
The shift mechanism cover.
162
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(9 votes, average: 4.22 out of 5)
Marine readers have rated Volvo Penta 280 285 290 DP SP A B C Workshop Manual 4.2 out of 5.0 based on 9 product reviews.
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Volvo Penta 280 285 290 DP SP A B C Workshop Manual SKU UPC Model
Ole Nissen on Aug 06, 2018. Engineer

Problem Winther noise when turne


Darrell on Jun 01, 2018.

not pulling water so hope I find the info


scott gjerdingen on Mar 20, 2016. look forward to manual access

Kinda a premature review, at this point I am asked to review the manual before ever seeing it?


Bobby V. Johnson on Sep 19, 2015. OutDrive repair

Great step by step information.


Shawn on Mar 15, 2015.

thank you


Clint Fewell on Jul 23, 2013.

needed it bad


thomas svensson on Apr 05, 2013.



thomas svensson on Apr 05, 2013.



al on Dec 11, 2012. ok

ok


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