3.
On high-alloy materials such as chrome steel, set up the bowl or the impeller in a lathe and machine
the wear ring off, using extreme care not to machine or damage the ring seat.
6.4.5 Remove the bowl, suction bell, and lineshaft bearings
NOTICE:
Bowl bearings are press fit. Do not remove the bowl bearings unless replacement is necessary.
1.
Press the bearing out of bearing housing or bowl.
Use an arbor press and a piece of pipe or sleeve with an outside diameter that is slightly smaller
than the diameter of the bowl or lineshaft bearing housing bore.
6.5 Pre-assembly inspections
Guidelines
Before you assemble the pump parts, make sure you follow these guidelines:
•
Inspect the pump parts according to the information in these pre-assembly topics before you reas-
semble your pump. Replace any part that does not meet the required criteria.
•
Make sure that the parts are clean. Clean the pump parts in solvent in order to remove oil, grease,
and dirt.
NOTICE:
Protect machined surfaces while cleaning the parts. Failure to do so may result in equipment
damage.
6.5.1 Replacement guidelines
Casing check and replacement
WARNING:
Risk of death or serious injury. Leaking fluid can cause fire and/or burns. Inspect and ensure
gasket sealing surfaces are not damaged and repair or replace as necessary.
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.
6.5 Pre-assembly inspections
58
Model VCW Installation, Operation, and Maintenance
Summary of Contents for Goulds Pumps VCW
Page 1: ...Installation Operation and Maintenance Model VCW ...
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