Revision 6
Caution:
Cylinder
tie
stud
bolts
must
be
torqued
to specifications.
If
they
are not, the
bolts
will
break
under
the
high
cyclic
loading
imposed
on
them.
Bolt
failure
will
result
in
any
or
all
of
the
following:
the separation
of
the
fluid
cylinder
from the
power
frame; the fracture
of
the
side
of
the frame itself; damage to
the plungers,
stubs
or
stuffing
box
components;
as
well
as
potential
severe
personal
injury.
Cylinder
tie
stud
nuts
must
be
installed
with the mating surface (side
without
embossed
identification
lettering) towards the
fluid
cylinder
or
damage can
occur
to
fluid
cylinder
and
power
frame;
as
well
as
potential
severe
personal
injury.
12. Install the fluid cylinder bolts. Tighten down the fluid cylinder evenly
to
the power
frame with the Special Tool
(ST4-1012) (Figure 8-33). Use the torque wrench
to
final tighten the bolts to the specified 300 lb.-ft. (407.6 Nm) (Figure 8-34).
13. Make sure that all mating surfaces are smooth. Use plastic scraper to remove paint, dirt
or burrs. Wipe surfaces clean (with lint-free rags) on valve assemblies, manifolds and
fluid cylinder.
14. Coat the
0-rings
with light grease to hold them in position for proper seating.
15. Install valve assemblies and manifolds.
16.
Install stuffing boxes to the fluid cylinder.
17. Connect plungers
to
the crosshead stubs.
18. Install piping, hoses and accessories.
2.
Power End
Service People Required: 1
Recommended Tools: Assorted pipe wrenches,
1/2" drive ratchet, 3/4" and 7/8" socket,
soft-faced hammer,
15
to 100 lb.-ft.
(20.2to135
Nm) torque wrench, 2.3765
to
2.3770"
(60.363 to 60.376 mm) ream bit, ream motor, 12" steel rule, small Allen wrench set, assorted
arbors and arbor press, dial indicator gauge, acetylene or propane torch, and a chain fall or
hoist (if available)
Parts
(Subject to inspection): Oil seals, gaskets and other parts
as
needed
Supplies: Clean lint-free rags,
9.0 qts. (8.5 l) capacity oil pan, two (2) each 3/8" eye bolts,
two (2) each
l"-8
UNC rods (threaded on one end), a block
of
wood, tube of valve grinding
compound, and
9.0 qts. (8.5
l)
SAE 15W40 oil
© Copyright October,
2001
NLB Corporation
8-28
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