Like Tree0Likes

Winterizing 496 or 496HO or 496Mag

Reply
Old 11-05-2005, 01:35 PM
  #1
Registered
Thread Starter
 
carney's Avatar
 
Join Date: Jan 2003
Location: FINGER LAKES N.Y.
My Boats: 1997 35 lightning
Posts: 799
Default Winterizing 496 or 496HO or 496Mag

Does any one know how the new pump system works on a new 496. to remove the water from the hoses?
carney is offline  
Reply With Quote
Old 11-05-2005, 02:11 PM
  #2
Registered
 
LIOPA's Avatar
 
Join Date: Mar 2002
Location: LONG ISLAND-NY
Posts: 1,335
Default Re: winterising 496

It is detailed in the owners manual for the motor. It is very easy to do. Just follow the manual.
LIOPA is offline  
Reply With Quote
Old 11-05-2005, 03:16 PM
  #3
Registered
Thread Starter
 
carney's Avatar
 
Join Date: Jan 2003
Location: FINGER LAKES N.Y.
My Boats: 1997 35 lightning
Posts: 799
Default Re: winterising 496

I do not have a manual and it is not my boat, helping a friend and he has no manual thought some of you could help.
carney is offline  
Reply With Quote
Old 11-05-2005, 03:36 PM
  #4
Charter Member #415
Charter Member
 
Join Date: Nov 2000
Location: Jasper,Alabama
My Boats: 1968 Switzer Shooting Star,1967 Switzer Shooting Star,1963 Glasspar G-3
Posts: 3,357
Default Re: winterising 496

Unclip the blue hand pump,attach to the air valve,pump a few strokes and the little pin will pop up,you will hear the water running out. Piece of cake.
Magicfloat is offline  
Reply With Quote
Old 11-05-2005, 04:54 PM
  #5
Registered
 
LIOPA's Avatar
 
Join Date: Mar 2002
Location: LONG ISLAND-NY
Posts: 1,335
Default Re: winterising 496

Quote:
Originally Posted by carney
I do not have a manual and it is not my boat, helping a friend and he has no manual thought some of you could help.
AH....Well if you call MERCURY customer service and give them the motor serial # they can send him one for future issues. It's good to have.
LIOPA is offline  
Reply With Quote
Old 11-05-2005, 07:12 PM
  #6
Forum Regulator
VIP Member
Trade Score: (1)
 
Sydwayz's Avatar
 
Join Date: May 2001
Location: Worldwide
My Boats: 17' Speedliner Cat & O.P.B.
Posts: 21,835
Default Re: winterising 496

Don't trust just pumping out the water by air. This comes directly from my mechanic. Do it the old fashioned way with antifreeze and a flush kit/earmuffs. Its the only sure bet, as the sea-water portion has pockets that will keep sea-water in the motor when you only use the pump. There is no thermostat on the sea-water side, so no need to warm up. Go ahead and run 5 gallons of antifreeze through the old fashioned way. If you want after that, go ahead and use the pump (or a low pressue cigarette lighter air compressor) to pump the antifreeze out.

Merc's proceedure is to just hook up the blue pump, and keep pumping until the bleeder valve starts bleeding out some air up behind the flame arrestor. Then you can pull all of the blue freeze plugs if you like, but pump FIRST, with plugs in. Before you start the motor in the spring, make sure you pull up on the bleeder valve, to release the pressure in the system, otherwise it will not fill the sea-water side with water.
Sydwayz is offline  
Reply With Quote
Old 11-05-2005, 10:23 PM
  #7
VIP Member
VIP Member
 
drypipetiger's Avatar
 
Join Date: Jan 2004
Location: Lake Champlain, NY
My Boats: 2008 Nor-Tech 3600
Posts: 3,452
Default Re: winterising 496

On the old rig I would open the valves and pump all water out then run 5 gallons of -50 antifreeze.....
drypipetiger is offline  
Reply With Quote
Old 11-06-2005, 09:17 AM
  #8
Registered
Thread Starter
 
carney's Avatar
 
Join Date: Jan 2003
Location: FINGER LAKES N.Y.
My Boats: 1997 35 lightning
Posts: 799
Default Re: winterising 496

I pulled the blue plugs and used the pump , water started comming out and then I pumped and the pressure release went off. water stopped I put the plugs back and ran -50 anti freeze through the ear muff till it came out the pipes. I would think this would be fine. Then did the drive ect.
carney is offline  
Reply With Quote
Old 11-06-2005, 09:26 AM
  #9
Registered
 
MitchStellin's Avatar
 
Join Date: Nov 2000
Location: Grand Haven, MI USA
My Boats: Zodiac RIB
Posts: 3,124
Default Re: winterising 496

That will do it, the anti freeze is a little overkill but you cannot be too safe with these motors, the old fasion way will be turn key in the spring and you will be able to sleep at night which is worth the extra work. I always used 5 gallons of straight anti freeze also, some say 3 on a BB but that is leaving it thin.
MitchStellin is offline  
Reply With Quote
Old 11-06-2005, 09:29 AM
  #10
VIP Member
VIP Member
 
drypipetiger's Avatar
 
Join Date: Jan 2004
Location: Lake Champlain, NY
My Boats: 2008 Nor-Tech 3600
Posts: 3,452
Default Re: winterising 496

Quote:
Originally Posted by MitchStellin
That will do it, the anti freeze is a little overkill but you cannot be too safe with these motors.
No sense in risking it. And when you fire up in the spring something will be in there to held the impeller, etc., as apposed to starting completely dry.
drypipetiger is offline  
Reply With Quote
Reply

Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
TeamPSI
General Q & A
23
12-10-2007 05:23 PM
apexer
General Q & A
11
07-20-2007 07:24 PM
westcoaster
General Q & A
3
08-08-2005 11:24 AM
bn
General Q & A
4
01-15-2005 07:40 AM
NVRENOUGH
General Q & A
3
02-18-2002 12:25 PM



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 On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 05:17 AM.


Copyright 2011 OffShoreOnly. All rights reserved.