US 12,215,008 B2
Motor lifting devices and methods for operating the same
Nishan Xavier Chammany Thomas, Eastern Province (SA); Abdulmunem H. Taisan, Eastern Province (SA); and Abdullah G. Alotaibi, Riyadh Province (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Dec. 4, 2020, as Appl. No. 17/112,224.
Prior Publication US 2022/0177285 A1, Jun. 9, 2022
Int. Cl. B66F 7/28 (2006.01); B66F 7/00 (2006.01); F28F 99/00 (2006.01)
CPC B66F 7/28 (2013.01) [B66F 7/00 (2013.01); F28F 99/00 (2013.01); F28F 2280/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method for removing a fin fan motor from a heat exchanger, the method comprising:
positioning a motor lifting device beneath the fin fan motor;
moving a carriage of the motor lifting device upward in a vertical direction with respect to a base member of the motor lifting device along a vertical guide column;
moving one or more vertical support members into a locked position, the one or more vertical support members spaced apart from the vertical guide column and extending between the carriage and the base member, wherein the one or more vertical support members restrict vertical movement of the carriage with respect to the base member in the locked position; and
moving the fin fan motor to the carriage of the motor lifting device.