SPP Pumps Split Case Pumps - Manual (Page 7)

Pump Installation Guide
Manual No/Rev
W00-002E / 4
Our policy is one of continuous improvement and we reserve the right to alter specifications without giving notice.
Page 7 of 12
3.5 Slide Rail Mounting
Close coupled pumpsets are supplied with
the pump mounted directly on the motor.
These motors may also be fitted with slide
rails under the motor feet to permit
withdrawal of the impeller from the casing
without disconnecting the pipework.
The motor, with or without slide rails,
requires foundation support but where
supplied, feet cast onto the pump housing
must NOT be bolted down. It is, however
recommended that the plinth extends under
the pump to prevent accidental damage.
Installation follows the same procedure as
for pumpsets except for the alignment
checks.
Pump/driver alignment is
maintained by the spigot/recess
construction of the pumpset and cannot be
adjusted.
3.6
Vertical Pump Mountings
Vertical pump are supplied with cast or
fabricated motor stools. Mountings for
fabricated pump stools are as shown for the
channel section base frame, above.
Cast pump stools are mounted typically
thus
SHIMS OR
PACKERS
FOUNDATION BOLT
CAST PUMP STOOL
CONCRETE
FOUNDATION
PLINTH
GROUT
FLAT WASHER
3.7 Installing the Pumpset
It is important to install
pumpsets
BEFORE
installing the main suction and delivery
pipework. This is to ensure that the pipes
are positioned to match the pump location
and do not transmit load and induce strain
in the pump casing.
For long coupled pumpsets, remove the
coupling guard to provide access to the
shaft and coupling.
SLING FOR
CRANE LIFTING COUPLING
GUARD
REMOVED
PLINTH
FLOOR
When using rag bolt fixing, suspend the
pumpset over the plinth and hang the
foundation bolts from their holes using
tapered washers for channel base frames
and plain washers for other types, with the
nuts showing at least one full thread
through.
Place sufficient metal packing pieces on
both sides of each foundation bolt hole to
support the base frame at about 25mm
above the plinth surface. Lower the
pumpset and insert the rag bolts into their
pockets. Continue lowering until the
pumpset is supported by the packing.
Adjust the height of the packing with shims
in each position until the shaft is horizontal
and the pump suction flange face is
vertical, do not level from the baseplate as
this may not be true to the shaft and
flanges.
Ensure that the foundation bolts are vertical
to permit easy lifting of the pumpset, then
grout in with non-shrinking grout. Allow
sufficient time for the grout to harden,
usually 24 hours or as recommended in the
grout manufacturer's instructions.
For chemical anchor fixing with channel
section base frames it will be necessary to
ATTENTION