Flowserve SLM-6200 - Manual (Page 6)

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4.2 Seal chamber concentricity should be less than 0.38 mm (0.015 inch). See Figure 8.
Seal life varies with alignment. Poor shaft alignment will reduce seal life.
4.3 It is advisable to hold the inner gland gasket in place in the gland groove with contact
adhesive or vacuum grease (in spots only).
With the seal clamp collar facing toward the bearing assembly, slide the complete
cartridge over the pump shaft/sleeve and push the assembly back into the pump
case. See Figure 9.
Warning: Do not hammer on or push against the cartridge sleeve.
Do not secure the gland retaining screws to the equipment casing at this time.
Check Seal Chamber Concentricity Figure 8
0.38 mm (0.015 inch) Maximum Seal
Chamber Concentricity Runout
Inserting Cartridge Figure 9
Push on Gland to Slide
the Seal Over the Shaft
Do Not Hammer or
Push on Seal Sleeve
4.4 If the seal is mounted directly on the shaft, rather than on the equipment sleeve,
install the impeller spacer sleeve (possibly modified).
4.5 Install the impeller and suction cover.
4.6 Make any necessary impeller adjustments.
Warning: Loosen the bearing assembly and drive belts only enough to make the
adjustments. Fully retighten the bearing assembly and belts after adjustment.