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.
REPAIR PARTS
100
101
358
304
LIQUID END COMPONENTS
Item #
Description
100
Casing
101
Impeller
108
Adapter
304
Impeller Nut
351
Casing Gasket
358
Drain Plug
Hex Head Cap Screw
370
(Casing to Adapter)
Hex Head Cap Screw
371
(Adapter to Motor)
383
Mechanical Seal
408
Prime Plug - ¼" NPT
Equipment
Service
Standard
General
Heavy-Duty
Optional
Hi-Temperature
Chemical
383
108
408
381
371
370
Material
Iron/Bronze
Iron/Bronze
Iron/Bronze
Stainless Steel
Composite
Steel
Steel
Steel
See Chart
Steel/Brass
Mechanical Seal Options
Rotary
Carbon
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.
122
138
POWER END COMPONENTS
Item #
Description
109
Bearing Cover
112
Bell Bearing (Outboard)
122
138
Lip Seal - Inboard
139
Lip Seal - Outboard
168
Ball Bearing-Inboard
228
Bearing Frame
361
Retaining Ring
Hex Head Cap Screw
370C
(Frame to Cover)
400
Stationary
Ceramic
Ni-Resist
Ni-Resist
Ceramic
168
228
400
112
361
Material
Cast Iron
Stainless Steel
Pump Shaft
Stainless Steel
BUNA-N/Steel
BUNA-N/Steel
Stainless Steel
Cast Iron
BUNA-N/Steel
Shaft Key
Stainless Steel
Elastomers
Metal Parts
BUNA-N
BUNA-N
300 Series
Stainless Steel
EPR
Viton
109
370C
139
Steel
7