2.
Assemble new inner (351C) and head (351) gaskets on the head (184). Apply a liberal amount of
high-vacuum grease to hold the gaskets in place.
100
443D
184
351
351C
351W
Figure 71: Gasket assembly
3.
Spray grease or lubrication on the casing sealing fits (A).
4.
Use straps and a crane assembly to assemble the head (184) into the casing (100).
5.
Torque the head bolts to the values found in the maximum torque values for fasteners table as de-
tailed below.
a) Apply LPS (or equivalent) Nickel or Moly anti-seize compound to the studs (356A) and to the
face of the head (184) where the nuts (425) make contact.
b) Install a nut (425) on each stud (356A).
c)
Mark each stud (356A) as shown below.
Figure 72: 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.
6.6 Reassembly
94
3640 i-FRAME API Type BB2 2-Stage / ISO 13709 2nd Ed. API 11th Ed. Installation, Operation, and Maintenance Man-
ual
Содержание Goulds Pumps i-FRAME 3640
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