CENTRIFUGAL PUMP (DISTRIBUTION PUMP) MAINTENANCE.
This task consists of:
General Mechanics Tool Kit (Appendix B, Section III, Item 4).
Strap Wrench (Appendix B, Section III, Item 3)
Stiff-Bristled Brush (Appendix B, Section III, Item 3)
Solvent, drycleaning (Appendix C, Section II, Item 28)
Centrifugal pump assembly removed (para. 2-26).
General Safety Instructions
Drycleaning solvent P-D-680 is highly toxic and can ignite organic materials,
nitrates, carbides, and chlorates. Wear eye, skin, and respiratory protection.
Use in a well-ventilated area.
Compressed air can blow dust into the eyes Wear eye protection.
Do not exceed 30 psi (207 kPa) air pressure.
Remove four screws (13), cover (12), and gasket (11).
Remove cap (1) and insert screwdriver in shaft slot (2).
While holding shaft with screwdriver, remove impeller (9) and mechanical seal (8).
Remove seal (10) from impeller (9).
Remove four cap screws (6), from bracket (5).
Rotate bracket (5) and remove bracket from casing (7).
Remove remaining parts of mechanical seal (8) from casing (7).
Remove slinger (4) from shaft of electric motor (3).