Centrifugal Pump/
Plain encased seal (1)
Install plain encased seal (1) in bearing housing (2). Screw lubrication
Bearing housing (2)
fitting (3) and pump breather (4) into bearing housing (2). Tighten lubrica-
Lubrication fitting (3)
tion fitting (3) and pump breather (4).
Pump breather (4)
Annular ball bearings (5
Pack annular ball bearings (5 and 6) with automotive and artillery grease.
and 6)
Shaft (7)
Slide the smaller annular ball bearing (5) onto the threaded end of
Retaining ring (8)
shaft (7). Slide the larger annular ball bearing (6) onto unthreaded end of
shaft (7) and secure with retaining ring (8). Slide the assembled shaft unit
into bearing housing (2) until the smaller annular ball bearing (5) contacts
the inner surface of bearing housing (2). Wipe any excess automotive and
artillery grease from the outside of bearing housing (2).
2-105
TM 3-4230-209-30&P