Landing Gear Issue, 1967 T337B

[OhioSkymaster]

Thanks for the suggestions. My main concern is the gear handle issue. If I understand correctly the switches only control operation of the indicator lights and not the handle, so the indicators may actually be correctly showing that the gear is not fully stowed. We did a number of gear swings at annual time just last month and had no problems. We used a homebuilt "mule" built from a pump removed from a 337 and driven by an electric motor. I'm wondering if the pump may be suspect. We did check the fluid but will re-check and check for air. Had the same problem just before annual, so it wasn't introduced by connecting the mule.