Service Instructions for Jabsco
Bronze Flexible Impeller Electro
Magnetic Clutch Pump
50270
Series
Inspect all parts for wear or damage and replace if necessary.
DIS-ASSEMBLY
1. Remove end cover screws, end cover and gasket.
(1,2,18)
2. Remove impeller.
(3)
3. Loosen cam screw
(7)
and remove cam.
(6)
4. Remove wear plate.
(4)
5. Remove bolt from end of shaft. Screw 5/8” UNC bolt into
the hub of the pulley assembly in order to draw the pulley from the pump shaft.
(27)
6. Remove the 3 screws
(15)
holding the field coil onto the housing adaptor.
7. Remove field coil.
(16)
8. Remove 3 fixing bolts and rear adaptor housing from bearing housing.
(14,15)
9. Remove bolts from bearing housing to body and remove body from bearing housing.
(10,11,12)
10. Remove seal assambly.
(19)
11. Press shaft on impeller drive end to remove shaft and bearings from bearing housing.
12. Press shaft out of bearings supporting inner race of bearing. Remove retaining rings
from shaft if necessary.
(21,24)
13. Remove inner bearing seal if it needs replacing.
(13)
Flanged
BSP
shop
