Maintenance
PST2 400
34
wc_tx002010gb.fm
5.6
Impeller Reassembly
See Graphic: wc_gr000411
Note:
If, upon inspection and testing, a pump component requires
replacement, use only original manufacturer’s replacement parts.
5.6.1
Turn pump on its side.
5.6.2
Pre-assemble the dust seal
(u)
and sleeve
(v)
. Slide the two pieces
(u & v)
onto the rotor shaft. DO NOT apply oil to the surface where the
dust seal
(u)
contacts the sleeve
(v)
.
5.6.3
Align keyway of impeller
(w)
with keyway of rotor (not shown) and push
impeller
(w)
onto rotor shaft.
5.6.4
Secure with washer
(x)
, lockwasher
(y)
and stirrer nut
(z)
.
5.6.5
While holding the impeller from rotating,
tighten stirrer nut
(z)
.
5.6.6
Position volute
(aa)
on suction strainer
(ac)
, aligning with the three
bolts
(ab)
protruding from the suction strainer
(ac)
.
5.6.7
Replace gasket
(ah)
on top of volute
(aa)
.
5.6.8
Lift and hold remaining pump assembly in an upright position, align
three mounting flanges and lower into place.
5.6.9
Assemble and secure three nuts
(af)
.
5.6.10 Tighten three nuts
(af)
.
5.6.11 Pre-test pump to verify proper operation.
5.6.12 Performance test pump. Test results should be:
Maximum head
>
10.06m (33ft)
Maximum volume >
170.3 ltr/min (45gpm)
