lubrication pump 滑油泵维修手册
CMM49-90-57，
CMM49-91-49

General

This section contains the description and operation of the lube module which is installed on the APU gearbox. It supplies lubrication oil to the APU generator, gearbox and the power section bearings. The lube module also pulls scavenge oil from these components to sends it back to the APU gearbox oil sump.