b) Install a nut (425) on each stud (356A).
c)
Mark each stud (356A) as shown below.
Figure 70: Stud marking
d) Tighten the nuts (425) to 30% full torque using the star pattern shown starting with stud (356A)
no. 1.
e) Tighten the nuts (425) to 60% full torque using the star pattern shown starting with stud (356A)
no. 1.
f)
Tighten the nuts (425) to 100% full torque using the star pattern shown starting with stud
(356A) no. 1.
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 71: Mount the cartridge mechanical seal on the radial end
6.6 Reassembly
94
3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance
Manual
Содержание GOULDS PUMPS i-FRAME 3620
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