engine blower

[sandijk]

What are some of the causes of the engine room blower to not work. Before I start the engine, I always flip the blower toggle switch on, to vent out any gas fumes, but when I did it last week, the blower did not work.A friend at the marina said mud dobbers may be the culprit and that a fuse may be blown as a result. Thank you.

 

[walleyehed]

Re: engine blower

Sandi, welcome to iboats!!<br />If you can get to one side of tubing connected to the blower itself, remove it(if it's a thru-flow turbo type)take a long screw driver and make sure the fan blade moves freely. If it's the squirrel cage type blower, you can access the center and see that the wheel turns freely.<br />In either case, if there is no binding, I would check the contacts on the back of the switch first to make sure there isn't a broken wire or loose conection causing the fuse to blow.<br />If the hot wire from the switch to the blower is chaffed to bare wire somewhere, caused by vibration usually, and grounding against metal somewhere, that could be an option as well.<br />The fuseable link could be either before the switch (coming from the power supply-battery) or after the switch between the switch and blower, so you might have to check all the wire if the blower turns free by hand...hope this helps.

 

[John Carpenter]

Re: engine blower

I'll second those comments...chances are good that you have a bad/loose connection if the problem is electrical. However, I have had two on different boats that were locked up by mud daubers...they do seem to like them.

 

[blifsey]

Re: engine blower

Blower on my 20' bowrider quit working last year. It was a bad switch. I swapped with my cockpit light switch until getting a replacement through warrenty. I figured keeping boat from blowing up was more important than cockpit lights

 

[not a mechanic]

Re: engine blower

My blower stopped working last week. A friend pulled out the toggle switch & sent me off for a replacement. The guy at the marina gave me a new switch & a gizmo with a new fuse in it. I've tried reassembling it all in the boat but am unsure where the wires are suposed to plug in. After what I belive to be all possible combos, still no blower. (1987 Wellcraft - 20'?) There IS power because the tip lights up. The guy at the marina is not returning my calls, so here I am.

Any suggestions???

 

[freddyray21]

Re: engine blower

the wiring on mine is fairly simple. One wire out of the blower hooks to the ground post. The other goes through a switch from the hot side of the battery. (through a fuse). Check to see if you have 12v on one terminal of your blower switch. If so check to see if the switch is working using a continuity meter. If both are good then check the wiring going to the blower. All the above is assuming you have checked the blower motor to see if it is good. Most are they last forever, but not all.