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Continuous using air filter

#1

J

jcworks

2013 Toro MX5060, Kawasaki 23hp. Sometimes it gets real dry and the mower kicks up a lot of dust, especially under all the big trees I have. I take off the paper filter and tap it on a tree trunk getting a lot of dust out of it. I have a foam pre-filter on it but lots of dust still is on the paper. Question is how does one know when to toss it and get a new one? Or can you keep using it like this?


#2

S

Skippydiesel

Tough question as every situaton is diffrent.

The more a filter catches the cleaner the air so you won't damage the engine.

I guess you will have to be guided by how the engine is running (after filter tapping/cleaning with compressed air) -
Does it cold start without the choke ? - this might be an indication that the filter is restricting air flow too much - change the filter.
Engine not making full power/rpm ? - could be an indication it's not getting sufficient air for good combustion - change the filter


#3

J

jcworks

Skippydiesel said:
Tough question as every situaton is diffrent.

The more a filter catches the cleaner the air so you won't damage the engine.

I guess you will have to be guided by how the engine is running (after filter tapping/cleaning with compressed air) -
Does it cold start without the choke ? - this might be an indication that the filter is restricting air flow too much - change the filter.
Engine not making full power/rpm ? - could be an indication it's not getting sufficient air for good combustion - change the filter
Click to expand...
The engine runs fine. Between mowings I sometimes have to choke it; other times it starts without choking. Either way it runs good. I'll just get a new filter. This one's been on a couple of years.


#4

B

bertsmobile1

Dust on the outside of the filter actually makes it work better
Dust on the inside of the filter means the filter has a hole in it and needs replacing .
A filter is clogged when the mower starts to blow black smoke like the choke has been left on for too long


#5

G

GearHead36

Do you oil your pre-filter? Those are supposed to get oiled.


#6

S

Skippydiesel

Onl
GearHead36 said:
Do you oil your pre-filter? Those are supposed to get oiled.
Click to expand...
Only in those systems where it is specified - read your owner/maintenance manual for instructions.


#7

G

GearHead36

Skippydiesel said:
Onl

Only in those systems where it is specified - read your owner/maintenance manual for instructions.
Click to expand...
Ok. I figured that any foam filter or pre-filter needed oil. In my fleet, I have two pre-filters and one foam filter. They all call for oil.


#8

J

jcworks

bertsmobile1 said:
Dust on the outside of the filter actually makes it work better
Dust on the inside of the filter means the filter has a hole in it and needs replacing .
A filter is clogged when the mower starts to blow black smoke like the choke has been left on for too long
Click to expand...

GearHead36 said:
Do you oil your pre-filter? Those are supposed to get oiled.
Click to expand...
No I don't.


#9

H

hlw49

Manufactures do not reccomend blowing the air filter out with compressed air as you can blow a hole in the paper element. Rendering it useless. Kawasaki does not reccomend oiling the prefilter.


#10

J

jcworks

hlw49 said:
Manufactures do not reccomend blowing the air filter out with compressed air as you can blow a hole in the paper element. Rendering it useless. Kawasaki does not reccomend oiling the prefilter.
Click to expand...
I kind of figured that. Thanks.


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