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Disassembly and reassembly
Item
No.
332
332A Oil seal - bearing
333
333D Oil seal - Frame
360
361E Retaining ring - bear-
370B H cap screw, frame
370N H cap screw - end
371
371U H cap screw - pump
380
382
389
400
443
529
Key:
Table 8: Liquid end
100
101
108
122
150
150A
151
152
157
157B
157C
158
159
178
188*
201‡
260
331
361
361D*
370V
371L
383A
383B*
383B
20
Part Name
Grease seal - bear-
Buna-N
ing cover
Buna-N
cover
Grease seal - frame Buna-N
Buna-N
Gasket end cover
Vellumoid
Steel
ing
Steel
to adapter (not
shown)
Steel
cover
H cap screw - frame
Steel
to motor
Steel
foot retaining
Stub shaft
Steel
Bearing lock washer Steel
Motor adapter (not
Cast iron
shown)
Coupling key
Steel
Bearing spacer
Steel
Wave washer
Steel
▲ For 444TSC and 445TSC motors only
Item No.
Casing
Impeller
Casing adapter
Shaft
Diffuser
Spacer blank (not shown)
Suction diffuser
Discharge head
Spacer sleeve
Intermed. bearing shaft sleeve
1st stage shaft seal
Stationary seal mount
Seal housing
Impeller key (not shown)
Cooling jacket (not shown)
Impeller, first stage
Intermediate bearing
Shim
Retaining ring, shaft
Retaining ring, mech seal
H cap screw - adapter to seal housing
H cap screw - adapter to seal frame
Rotary element
Stationary seat (XP171)
Stationary seat (XP1D1)
Grease
Lubrication
Material
J
-
-
-
-
-
J
-
-
J
J
J
-
-
J
-
-
Part Name
Model 3935 Installation, Operation and Maintenance Instructions
Oil Lubrication
S
M
L
S
-
-
-
M
L
S
-
-
-
M
L
S
M
L
-
-
-
-
-
-
S
M
L
S
M
L
S
M
L
S
M
L
-
-
-
-
-
-
S
M
L
-
M
L
S
M
L
** Steel on Y frame
Material
Carbon steel
NI-Resist Type 1
NI-Resist Type 2
K-Monel
NI-Resist Type 1
NI-Resist Type 2
NI-Resist Type 2
NI-Resist Type 2
316 SS
316 SS
316 SS
NI-Resist Type 2
NI-Resist Type 2
Monel Alloy 400
NI-Resist Type 2
NI-Resist Type 1
NI-Resist Type 1
carbon insert
304 SS
303 SS
303 SS
Steel
Steel
18-8 SS-Viton
NI-Resist and Viton
Carbide and Viton
X
Y
-
-
X
Y
-
-
X
Y
X
Y
-
-
-
▲Y
X
Y
X
Y
X
Y
X
Y
-
Y
-
▲Y
X
Y
X
Y
X
Y
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