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I have a 915B 60 inch mower that has run great for the 3 years I have had it. Got on it yesterday and it wouldn't start. Turns over but that's it. Changed the fuel filter and plugs and noticed there was no fuel getting into the filter. No fuel runs from the tank to the filter so I blew into the line and heard bubbles in the tank, line is clear.
What can cause the fuel not to reach the filter and subsequently the carb?
 

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If you put a little suction (I am not suggesting using your mouth!) on the hose coming out of the tank, does any fuel come out? A slight crack in either the hose inside or outside the tank may prevent fuel from coming out (drawing air instead) though blowing into it will still cause bubbles to come out the other end because you are "overpowering" the small crack.

Just my 2 cents, good luck.
 

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Is the tank full?

I read someplace that the fuel pickup line (#2) can cause trouble.

0002753496____________A1.jpg


Fuel Tank
CartkeyPART NO.PART NAMEQTY SERIAL NO.REMARKS
1TCA25144Fuel Tank1
SUB FOR TCA24383 AND TCA24006
2TCA21652Fuel Pickup1
3TCA23260Gauge1
SUB FOR TCA21631
4TCU33692O-Ring2
SUB FOR APPL R71732
5TCU22555Sleeve3
6TCA22023Filler Cap1
ORDER TCA23672
TCA23672Filler Cap1
7TCU33596O-Ring1
8TCU33595Retainer1
9TCU35633O-Ring1
SUB FOR APPL GX23473
CartkeyPART NO.PART NAMEQTY SERIAL NO.REMARKS
1037M7483Screw3
M8 X 30
1119M7970Screw1
M8 X 100
1224M7178Washer3
10.500 X 30 X 2.500 mm
13TCU33602Cap1
1414M7396Lock Nut1
M8
15TCU32354Sleeve1
16TCU32355Retainer1
1724M7298Washer1
8.400 X 25 X 2 mm
1819M7796Screw1
M6 X 30
19M84972Nut1
CartkeyPART NO.PART NAMEQTY SERIAL NO.REMARKS
20TCU35900Isolator1
21TCU38517Spacer1030001-
22TCU37849Label1030001-Danger, Child
23R194506Screw4
24TCA22310Graphics Panel1
LH
 
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Is the tank full?

I read someplace that the fuel pickup line (#2) can cause trouble.
Good point, I will add that depending on where the fuel pickup hose (assuming there is one on your tractor) exits the tank, a full tank can "hide" the problem. Fuel level above a cracked line will just take in fuel until the level goes below it. Then if you're mowing, sloshing around at that critical level will make the problem intermittent or cause rough running, or even no problem if your fuel pump can keep up. Then you drive to park it and the carb bowl empties or evaporates due to engine heat after shut-down and you can't start the next day.

Just a thought and more 2 cents.
 
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