JABSCO 50270 Series Service Instructions

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Inspect all parts for wear or damage and replace if necessary.
DIS-ASSEMBLY
1. Remove end cover screws, end cover and gasket.
2. Remove impeller.
3. Loosen cam screw
4. Remove wear plate.
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.
6. Remove the 3 screws
7. Remove field coil.
8. Remove 3 fixing bolts and rear adaptor housing from bearing housing.
9. Remove bolts from bearing housing to body and remove body from bearing housing.
(10,11,12)
10. Remove seal assambly.
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.
13. Remove inner bearing seal if it needs replacing.
Magnetic Clutch Pump
(3)
(7)
and remove cam.
(4)
(15) holding the field coil onto the housing adaptor.
(16)
(19)
(21,24)
Service Instructions for Jabsco
Bronze Flexible Impeller Electro
(1,2,18)
(6)
(13)
Series
50270
Flanged
BSP
(27)
(14,15)