Have 2006 johndeere 110 backhoe. Went to grease for first time since I've owned it (bought used six months ago). Grease fitting for bushing on main front lift cylinder wouldn't accept grease. Removed grease fitting only to look in the hole the fitting came out of and low and behold there's nowhere for grease to go. In other words there's no hole for grease to get through to get to the bushing/shaft. Not sure what to make of it. Could it be the metal fused in this area?