23
08
Reassembly
Manual 4804 Rev C p/n 004804 0000
REASSEMBLY PROCEDURE
NDE Impeller/Shaft
1. If the NDE impeller was removed from the
shaft, install drive key and impeller on shaft.
Looking at the NDE of the shaft, the curvature
of the impeller blades must be clockwise on
models 40 and 75 and counterclockwise on
models 125 to 525.
OTE:
N
•
Install and wrench-tighten the
impeller nut and, when seated, apply
one hammer blow to the wrench.
Then install the impeller locknut and
again when seated apply one hammer
blow to the wrench.
•
If a dummy NDE bearing is not
available, ensure that the ball bearing
¿
ts on the shaft bearing journal with a
very light tap or slip
¿
t.
2. Temporarily install a dummy or ball bearing
and a bearing cap in the NDE bearing housing.
Then attach it to the NDE end casing.
OTE:
N
To differentiate end casings, note the
DE casing for models 300 to 525 has the
À
uid sealant supply port centrally located
under the bearing housing. In models 40
and 75, the supply port is located on the
outside periphery of the NDE end casing
at centerline height.
NDE Stage
1. Position the NDE end casing/bearing housing
assembly on the assembly stand. If the
NDE end plate (with shaped suction port for
models 40 and 75, and smaller discharge port
for models 125 to 525) was removed, apply
sealing compound to the counter-bored sealing
face. Note: For stainless steel models, use
the PTFE glass-
¿
lled gasket in lieu of sealant.
Install the plate, full face up, slightly rotating it
to distribute sealant (if used), while lining up
the bolt holes.
2. Insert the NDE of shaft/impeller assembly into
the bearing so the impeller face rests on the
end plate. A dummy bearing is helpful for an
easy
¿
t at this step.
3. Apply sealing compound to the male end of the
NDE impeller housing. (For 40 and 75 models
with two male ends, check the cross-sectional
drawing for correct end.) Install it, aligning the
cast-in index marks on top of housing and end
casing. Tap it with a soft hammer for proper
sealing. Then apply sealing compound to the
top end face. Note: For stainless steel models,
use the PTFE glass-
¿
lled gasket in lieu of
sealant.
4. Place the center housing with tie-rods, drain
holes at bottom, onto the impeller housing with
tie-rods entering the end casing holes. Align
the indexing marks and tap it down.
5. Assemble washers and nuts to tie-rods and
tighten in a criss-cross pattern in several
incremental steps with a clicker torque wrench.
For example: 30, 40 ft-lbs. The assembly
position does not allow easy reading of a dial
torque wrench.
DE Stage
1. Install impeller drive key and impeller on shaft.
Looking at the DE of shaft end, the impeller
blades must be pointing:
KLRC-40 and 75
KLRC-125 to 950
Counterclockwise
Clockwise
Proceed with retaining washer, impeller nut,
and washer locking bend as in step 1 in
NDE
Impeller/Shaft on page 23
. Prevent shaft
rotation with a spanner wrench at the drive end
keyway. (This washer is found on the old-style
KLRC pump only.)
2. Apply sealing compound to the matching end
of the DE impeller housing. (For 125 to 525
models with two male ends, align tooling tabs
with those on the NDE impeller housing.)
Install it, aligning the top index marks on the
center housing. Note: For stainless steel
models, use PTFE glass-
¿
lled gaskets in lieu
of sealant.
3. If the DE end plate (with shaped suction and
discharge ports for models 125 to 525 and
one discharge port for models 40 and 75) was
removed from the DE end casing, follow step 1
in
NDE Stage on page 23
for its assembly.
Summary of Contents for KLRC Series
Page 6: ...iv Table of Contents Manual 4804 Rev C p n 004804 0000 ...
Page 33: ...27 08 Reassembly Manual 4804 Rev C p n 004804 0000 Figure 8 2 Bearing Driver Tool ...
Page 34: ...28 08 Reassembly Manual 4804 Rev C p n 004804 0000 Figure 8 3 Foot Alignment Tool ...
Page 37: ...31 09 Troubleshooting Manual 4804 Rev C p n 004804 0000 NOTES ...
