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jpilk99
Gold Member
- Joined
- Feb 19, 2011
- Messages
- 360
- Location
- Bolton, MA
- Tractor
- 1983 Ford 1700, 4WD, 770 Loader, Woods backhoe, Woods brush hog,etc.
Thanks tkcomer
Surging on an LA175
- Thread starter jpilk99
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tkcomer
Silver Member
Oops, forgot about this. It was the vacuum line for the fuel pump.
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jpilk99
Gold Member
- Joined
- Feb 19, 2011
- Messages
- 360
- Location
- Bolton, MA
- Tractor
- 1983 Ford 1700, 4WD, 770 Loader, Woods backhoe, Woods brush hog,etc.
I gotta go find this “vacuum line”. Sounds like my culprit. Thx.
OP
jpilk99
Gold Member
- Joined
- Feb 19, 2011
- Messages
- 360
- Location
- Bolton, MA
- Tractor
- 1983 Ford 1700, 4WD, 770 Loader, Woods backhoe, Woods brush hog,etc.
tkcomer
Silver Member
That looks different from mine but that one line with the elbow is the vacuum line.
Richard001
Veteran Member
It's not a vacuum line, it is a pulse line.
The pulses from the crankcase cause the diaphragm in the pump to move back and forth and that action combined with a couple of check valves cause the fuel to be pump thru the part.
The pulses from the crankcase cause the diaphragm in the pump to move back and forth and that action combined with a couple of check valves cause the fuel to be pump thru the part.