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(i)
Insert Adjusting Bolt in Base from drive end. Fix Adjusting Bolt into Base by screwing on one nut and
fully tighten. Fit the additional two nuts supplied with the Adjusting Bolt and separate with two flat
washers. These nuts should remain loose on Adjusting Screw and spaced well apart so that the Bearing
Assembly will slot into place.
(ii)
Apply anti-seize compound to semi-circular machined surfaces on the bottom of the Bearing Housing
and onto the mating support cradle in the Base. This helps reduce corrosion in this area (which is
important for maintaining low maintenance costs for packing and expellers).
(iii)
Approximately match the Bearing Housing ears with the hold down bolt holes in the base then lower the
Bearing Assembly into the Base and ensure the lug has fitted over the Adjusting Screw and between the
nuts and washers.
(iv)
Fit Clamp Bolts through Base from below. Mount a Clamp Washer on each bolt (domed side up) then
screw on the nuts. Fully tighten Bolts on the left hand side of Base as viewed from the impeller end. At
this stage the Clamp Bolts on the other side should remain finger tight only, to maintain alignment but
allow axial movement of the Bearing Assembly.
(v)
Apply anti-seize compound to Shaft. This will assist fitting and removal of shaft components, and prevent
damage to Shaft surfaces by moisture.
(vi)
If not repaired in-situ, fit an appropriate assembly cradle (such as two blocks of timber with coach
screws), to underside of Base to prevent the pump from tipping forward during assembly of the wet end,
as shown in Fig 1. Ensure that the Base is high enough above the floor for the frame plate and components
to be assembled
.
