6.12 Impeller Adjustment
Once the pump has been re-assembled, it is important to perform the correct impeller adjustment prior to
start-up.
1.
Refer to
5.8 Impeller clearance setting on page 34
6.13 Assembly Troubleshooting
Symptom
Cause
Remedy
Excessive shaft/sleeve runout.
Sleeve worn.
Shaft bent.
Replace
Replace.
Excessive frame adapter runout.
Corrosion.
Adapter to frame gasket not seated
properly.
Replace.
Reseat.
Excessive seal chamber/stuffing box
cover runout.
Seal chamber/stuffing box cover not
properly seated in frame adapter.
Corrosion or wear.
Reseat.
Replace.
Excessive impeller vane tip runout.
Bent vane(s).
Replace impeller.
Material cross reference chart
Material
Goulds Pumps Ma-
terial Code
ASTM
DIN
ISO
JIS
Cast Iron
1001
A48CLASS20
Ductile Iron
1012
A395 Gr60-40-18
Ductile Iron
1013
A536 Gr60-42-10
CD4MCu
1041
A744 CD4MCU
Monel
1119
A494 GrM-35-1
316SS
1203
A744 CF-8M
1.4408
G5121 /SC514)
Alloy 20
1204
A744CN-7M
1.4500
317SS
1209
A744CG-8M
1.4448
Hastellov C
1215
A494 CW-6M
CD4MCu
1216
A744CD4MCU
9.4460
Hastellov B
1217
A494 N-7M
Titanium
1220
B367 GrC-3
Nickel
1601
A494 GrCZ100
Monel
2150
B164 UNS N04400
Nickel
2155
B160 UNS N02200
Titanium
2156
B348 Gr2
Carbon Steel
2210
A108Gr1211
304SS
2228
A276 Tvoe 304
316SS
2229
A276 Tvoe 316
Allov 20
2230
B473 /N08020l
317SS
2232
A276
4150 Steel
2237
A322Gr4150
4140 Steel
2238
A434Gr4140
Allov B-2
2247
B335 /N10665l
Allov C-276
2248
B574 /N10276)
GMP-2000
6929
N/A
6.12 Impeller Adjustment
64
3196CC Installation, Operation and Maintenance Instructions