ITT 3610 i-FRAME Manual page 114

6.6 Reassembly
Bolt Dia. (D) (in.– threads/
inch)
2-8
2.125-8
2.25-4.5
2.25-8
2.375-8
2.5-4
2.5-8
2.625-8
2.75-4
2.75-8
2.875-8
3-4
3-8
6.6.11.4 Spare parts
Critical service spare parts
For critical services, stock these parts, where applicable:
• Impeller (101)
• Thrust bearing end cover, outboard (ball and sleeve bearing construction only) (109A)
• Shaft (122)
• Radial bearing end cover, inboard (ball bearing construction only) (160) and (160A)
• Impeller key (178)
An alternative approach is to stock a complete rotating element. This is a group of assembled parts that
includes all rotating components except the bearings (and parts), mechanical seals, and coupling.
Recommended spare parts
When ordering spare parts, always state the serial number, and indicate the part name and item number
from the relevant sectional drawing. It is imperative for service reliability to have a sufficient stock of
readily available spare parts.
Stock these spare parts, where applicable:
• Cartridge mechanical seal
• Filter Assembly (550A)
• Thrust bearing (duplex pair) (112A)
• Oil rings (114, 114A)
• Sleeve bearings, two (117) (sleeve bearing construction only)
• Impeller locknut, radial (124)
• Throat bushing (125, 125B)
• Impeller locknut, thrust (130)
• Bearing locknut (136)
• Impeller wear rings (142, 144)
• Casing wear rings (164) (164A)
• Radial bearing (168) (ball bearing construction only)
• Labyrinth seal, outboard (332C)
112 3610 i-FRAME API 610 11th Ed/ISO 13709 2nd Ed, API Type BB1 Single-Stage, Axially-Split, Between-Bearing IOM
Tensile Stress Area
Max. Preload (lbs)
(Ab) (sq-in)
2.771 69829
3.152 79430
3.248 81850
3.557 89636
3.987 100472
3.999 100775
4.442 111938
4.921 124009
4.934 124337
5.425 136710
5.953 150016
5.967 150368
6.506 163951
Torque N-m | ft-lbs Nickel
or Moly Anti-seize, K=0.15
2367 | 1746
2861 | 2110
3121 | 2302
3418 | 2521
4044 | 2983
4269 | 3149
4743 | 3498
5517 | 4069
5795 | 4274
6371 | 4699
7309 | 5391
7645 | 5639
8336 | 6148