Flowserve Circpac HP - Manual (Page 3)

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2.5.3 Minimum runout between the shaft and equipment housing.
2.5.4 Prevention of product sedimentation on the housing, shaft
or sleeve by crystallization, polymerization, or any other product
sedimentation.
2.5.5 Proper maintenance and operation of the gas control system.
2.6 Refer to the seal assembly drawing for materials of construction, seal
orientation, and any special installation instructions. If any questions
arise, please contact a Flowserve representative for support.
3 Equipment Check
3.1 Follow plant safety regulations prior to equipment disassembly,
including at least the following basic procedures.
3.1.1 Wear designed personal safely equipment
3.1.2 Lock out equipment driver and valves
3.1.3 Isolate equipment and relieve any pressure in the system
3.1.4 Consult plant Material Safety Data Sheet (MSDS) files for
hazardous material regulations.
3.2 Disassemble equipment in accordance with the equipment
manufacturer’s instructions to allow access to seal installation area.
3.3 Remove existing sealing arrangement. Clean seal chamber and shaft
thoroughly.
3.4 Verify shaft dimensions as shown on the seal assembly drawing.
3.5 Verify seal chamber pilot fit(s) as shown on the seal assembly
drawing.
3.6 Inspect surfaces at gaskets to ensure they are free from damage such
as pits and scratches. Horizontal sealing surfaces such as the shaft
OD and seal chamber bore must not exceed 16 RMS surface finish.
Radial sealing surfaces such as the chamber face must not exceed
64 RMS surface finish.
3.7 Check seal assembly drawings for any modifications (reworks) to be
made of the equipment and act accordingly.
3.8 Shaft runout should not exceed 0.025 mm (0.001 inch) TIR (Total
Indicator Reading) at any point along the shaft. If the equipment is not
completely dismantled, verify runout near seal location.
3.9 Shaft end play should not exceed 0.10 mm (0.004 inch) TIR.
3.10 Radial shaft movement should be checked against the equipment
manufacturer’s specification.