g) Tighten the nuts (425) to 100% full torque using a clockwise sequential process starting with
stud (356A) no. 1.
6.
Mount the cartridge mechanical seal (383) on the shaft (122). Do not tighten the gland nuts (355) at
this time.
383
355
122
125
353
100
Figure 73: Mount the cartridge mechanical seal on the radial end
100
425
356A
122
383
125B
353
184
355
Figure 74: Mount the cartridge mechanical seal on the thrust end
6.6 Reassembly
3640 i-FRAME API Type BB2 2-Stage / ISO 13709 2nd Ed. API 11th Ed. Installation, Operation, and Maintenance Man-
ual
95
Summary of Contents for Goulds Pumps i-FRAME 3640
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