Xylem IM007 R05 Models 3642/3742 - Manual (Page 7)

7
9. Replace casing bolts, tightening to 37 lbs. ft. (50
N•m) in a crossing sequence.
10. Check reassembled unit for binding by rotating
shaft.
11. If rubbing exists, loosen casing bolts and proceed
with tightening sequence again.
12. On close-coupled units, replace motor end plug
or cover and motor hold-down bolts.
13. On frame-mounted units, replace coupling, spac-
er, coupling guard and frame hold-down bolts.
NOTICE: ALWAYS RECHECK BOTH COUPLING
ALIGNMENTS AFTER MAKING ANY
ADJUSTMENTS.
14. Refer to “COUPLING ALIGNMENT” section of
manual to realign shaft.
15. Assembly is complete.
100 101 383 408 108
371 370 381 304 358
Mechanical Seal Options
Equipment Service Rotary Stationary Elastomers Metal Parts
Standard General Ceramic BUNA-N
Heavy-Duty
Carbon
Ni-Resist BUNA-N
300 Series
Optional Hi-Temperature Ni-Resist EPR
Stainless Steel
Chemical Ceramic Viton
LIQUID END COMPONENTS POWER END COMPONENTS
Item # Description Material Item # Description Material
100 Casing Iron/Bronze 109 Bearing Cover Cast Iron
101 Impeller Iron/Bronze 112 Bell Bearing (Outboard) Stainless Steel
108 Adapter Iron/Bronze 122 Pump Shaft Stainless Steel
304 Impeller Nut Stainless Steel 138 Lip Seal - Inboard BUNA-N/Steel
351 Casing Gasket Composite 139 Lip Seal - Outboard BUNA-N/Steel
358 Drain Plug Steel 168 Ball Bearing-Inboard Stainless Steel
370
Hex Head Cap Screw
Steel 228 Bearing Frame Cast Iron
(Casing to Adapter)
371
Hex Head Cap Screw
Steel 361 Retaining Ring BUNA-N/Steel
(Adapter to Motor)
383 Mechanical Seal See Chart 370C
Hex Head Cap Screw
Steel
(Frame to Cover)
408 Prime Plug - ¼” NPT Steel/Brass 400 Shaft Key Stainless Steel
361
138
122
228
168
112
400 109 370C
139
REPAIR PARTS