Grundfos Peerless Pump 8196 Series, Installation, Operation And Maintenance Manual

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(d) Loosen jacking bolts (370D) and jam nuts (423).
(e) Tighten bearing housing bolts (370C) evenly, while slowly rotating the shaft until the impeller just
starts to rub on the casing. Set dial indicator to zero.
(f)
Tighten the jacking bolts (370D) evenly, until they contact the bearing frame. Continue to tighten the
jacking bolts evenly, about one flat at a time, drawing the bearing housing away from the frame until
the dial indicator shows the proper clearance, from .015 inch to .025 inch.
(g) Tighten bearing housing bolts (370C) evenly, then tighten jacking bolts (370D) evenly. Make sure dial
indicator reading does not move from the proper setting. Rotate shaft to make sure that it turns freely.
(h) Reinstall coupling and coupling guard.
ASSEMBLY CHECKS
SHAFT END PLAY
XLTP .0014 IN. (.036MM)
.0023 IN. (.058MM)
BOLT TORQUE VALUES
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