Coupling guard replacement
Repair or replace the coupling guard if you notice corrosion or other defects.
Gaskets, O-rings, and seats replacement
WARNING:
Risk of death or serious injury. Leaking fluid can cause fire and/or burns. Replace all gaskets
and O-rings at each overhaul or disassembly.
•
Replace all gaskets and O-rings at each overhaul and disassembly.
•
Inspect the seats. They must be smooth and free of physical defects. In order to repair worn seats,
skin cut them in a lathe while you maintain dimensional relationships with other surfaces.
•
Replace parts if the seats are defective.
WARNING:
Risk of serious personal injury or property damage. Fasteners such as bolts and nuts are criti-
cal to the safe and reliable operation of the product. Ensure appropriate use of fasteners during
installation or reassembly of the unit.
•
Use fasteners of the proper size and material only.
•
Replace all corroded fasteners.
•
Ensure that all fasteners are properly tightened and that there are no missing fasteners.
Additional parts
Inspect and either repair or replace all other parts, if inspection indicates continued use would be harmful
to satisfactory and safe pump operation.
Inspection must include the following items:
•
Venturi Insert (100W)*
•
Bearing end covers (109A) and (119A)
•
INPRO bearing isolator, radial (123) and thrust (123A)
•
Radial heat flinger (123B)*
•
Cooling fan (392B)*
•
Bearing locknut (136)
•
Impeller key (178) and coupling key (400)
•
Impeller nut (304)
•
Bearing lockwasher (382)
•
All nuts, bolts, and screws
* If supplied.
6.5.2 Fastening
WARNING:
Risk of serious personal injury or property damage. Fasteners such as bolts and nuts are criti-
cal to the safe and reliable operation of the product. Ensure appropriate use of fasteners during
installation or reassembly of the unit.
•
Use fasteners of the proper size and material only.
6.5 Preassembly inspections
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Model 3700i API610 / Type OH2 Installation, Operation, and Maintenance Manual
