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NW Sask, Canada | The cab fan only works on high setting. The first 2 speeds are dead. Replaced the fan switch with same results. I"m wondering if anyone else has had a similar problem, TIA |
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North Dakota | I believe there is a resister by the blower motor that could of failed. Might be able to get to through the cab filter opening if not you'll have to remove cab roof. |
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Marshfield, WI | Its the resister by the motor. Take the cab filter out and you should see it. Our 7120 seemed to go through about every other year. My wrench man got an after market one that's suppose to be better from the case dealer this winter when it went out again |
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southern tip Illinois | Resistor |
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NW Sask, Canada | thanks guys, will pick up a resister tomorrow |
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Wi | x4 common symptom on any vehicle/tractor etc |
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Saginaw Valley | You will have to lift the roof to be able to remove the cover over the fan motor to replace the resistor.
I had to replace the resistor on my 92 7140 this winter. Not a bad job, just frustrating not to be able to see the resistor until removal of support (what it is called in the parts book). No access to resistor from inside cab. smooth |
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NW Central Ohio | ...I'm guessing you either have a ground problem from the motor or the motor itself is having issues if you're burning up resistors that fast. |
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West Tennessee | Just changed the one on our 7130 removed filter and it on the right side of blower motor, needed a really short Phillips, or a bit in a 1/4 ratchet |
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Northeast Indiana | . |
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7140 magnum cab fan problem
