John bates
Member
does anyone know if there is a certain way
that the hydraulic pump gears need to go?
that the hydraulic pump gears need to go?
- Thread starter John bates
- Start date
Jim.ME
Well-known Member
- Location
- central ME
I don't think there is a certain way and I don't find anything in a manual other than the rotors (gears) are to be replaced as matched sets.
John bates
Member
thanks Jim
John bates
Member
thanks Jim.
Pete in MD
Well-known Member
- Location
- Central Maryland
If you're talking about the direction of rotation then yes there is a "certain way".
A pump is designed to pull oil from a sump and pressurize it to do some type of work. If you reverse the rotation it obviously won't work.
A pump is designed to pull oil from a sump and pressurize it to do some type of work. If you reverse the rotation it obviously won't work.
John bates
Member
I'm talking about these pump gears. Rotation only goes one way since input shaft drives them
Jim.ME
Well-known Member
- Location
- central ME
If that pump turns the wrong way he will have bigger problems happening. Issue with those will be that they are worn on the sides and lobes (plus wear in housing mating parts) and one of three things may occur due to differences in wear patterns, if they don't go back as they came out. 1. no change in capacity, 2. increase in capacity, or 3. loss of capacity. By capacity it could be pressure, volume or both. Worn gears, worn housing always a gamble.
John bates
Member
Roy I think the gear housing if worse off. Lol and there big money. There is a 1/16 wear spot in the surface 😔
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