INSTALLATION, OPERATION AND MAINTENANCE MANUAL
SUMMIT PUMP MODEL 2175
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8 APPENDIX C - MAINTENANCE AND REPAIR
8.1 DISASSEMBLY PROCEDURES
(See APPENDIX D for cross-section and parts list.)
PREPARE TO DISASSEMBLE YOUR PUMP
1. Lock out power supply at the motor starter.
2. Close off discharge, suction, sealing fluid, and cooling fluid.
3. Drain casing and flush, if needed.
4. Disconnect auxiliary pipes.
5. Remove coupling spacer. Do not remove hub.
6. Remove the drain plug to drain oil.
TO DISASSEMBLE YOUR PUMP
1. Place lifting sling through I-hook (132) to ensure safe handling.
2. Remove foot frame bolts (529).
3. Remove bolts (370) holding the frame adapter (108) to casing (100).
4. Adjust tension on lifting sling to support back pull-out assembly.
5. Pull the frame adapter back from casing.
Take the frame assembly to bench and secure for further work.
6. Remove the casing gasket.
7. Use a ¾” Allen wrench to remove the impeller screw (198).
8. Remove the impeller key (178) from the shaft (122) while holding the shaft with a
strap wrench or suitable tool that will not mark the shaft.
Threads are right handed
Never use heat to disassemble pump.
Adding heat to a pressure vessel can cause
an explosion resulting in personal injury or
death
9. For a packed pump: