Head pump not working - SailNet Community
 
LinkBack Thread Tools
post #1 of 5 Old 12-24-2009 Thread Starter
Junior Member
 
Join Date: Sep 2007
Posts: 15
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
 
Head pump not working

I have a Raritan PH2 head less then 2 years old and it takes 15 to 20 pumps to flush it. Sometimes it backs up. I replaced the joker valve, no help. Someway to clean out hose? acid?
hooligan6a is offline  
Quote Quick Reply Share with Facebook
Sponsored Links
Advertisement
 
post #2 of 5 Old 12-24-2009
Cal 9.2 SilverSwan
 
roline's Avatar
 
Join Date: Jul 2000
Location: East Tennessee
Posts: 272
Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 15
 
Tank size, location, vent hose? need more information....

Cal 9.2 #19 SilverSwan
roline is offline  
Quote Quick Reply Share with Facebook
post #3 of 5 Old 12-24-2009
Senior Member
 
Join Date: Aug 2006
Location: Arlington, VA
Posts: 1,853
Thanks: 0
Thanked 11 Times in 9 Posts
Rep Power: 10
   
The PH II is one of the most reliable heads aboard, providing you treat it well.

I'd start with some vinegar....pump it in enough so it's in all hoses and let it sit overnite. A couple of treatments might do the trick of helping clear any hose obstructions.

Also, could be your replaceable pump parts need replacing..not just the joker valve. Raritan makes a repair kit with the necessary parts for about $60-70.

Bill
btrayfors is offline  
Quote Quick Reply Share with Facebook
post #4 of 5 Old 12-24-2009
Senior Member
 
JimsCAL's Avatar
 
Join Date: May 2007
Location: Glen Cove, NY
Posts: 2,772
Thanks: 2
Thanked 68 Times in 63 Posts
Rep Power: 9
 
Time for a rebuild. The excessive pumping says the pump valves are gone.
JimsCAL is offline  
Quote Quick Reply Share with Facebook
post #5 of 5 Old 12-25-2009
Senior Member
 
Join Date: Mar 2008
Posts: 888
Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 8
 
All reciprocating pumps have two valves, an intake valve and a discharge valve. The joker valve is the discharge valve. The intake valve is the flapper valve at the bottom of the pump cylinder. The pump piston also has a seal around it. If that leaks by it also will not pump. If you look into the head while pumping you may get a hint of what has failed. If the intake flapper valve is failed you'll see water pushed back into the head on the down stroke. If the joker valve has failed you won't pull water out of the bowl, and the level will stay fairly constant. A failed piston seal would be indicated by it being real easy to stroke the pump, because it isn't rubbing against the cylinder. Hope that helps.
GaryHLucas is offline  
Quote Quick Reply Share with Facebook
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.


User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
Devising a Better Bilge Pump Don Casey Seamanship Articles 0 06-02-2002 08:00 PM
Devising a Better Bilge Pump Don Casey Gear and Maintenance Articles 0 06-02-2002 08:00 PM
Devising a Better Bilge Pump Don Casey Cruising Articles 0 06-02-2002 08:00 PM
Head Maintenance Blues Tom Wood Gear and Maintenance Articles 0 11-21-1999 07:00 PM
Head Maintenance Blues Tom Wood Her Sailnet Articles 0 11-21-1999 07:00 PM

Posting Rules  
You may post new threads
You may 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 On
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome