Carver RS A, Инструкция по установке, эксплуатации и обслуживанию

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RS Series – Multi-Stage, Ring Section Pumps January 2001
36
locknut (22) and bearing lockwasher
(69). Remove male connector (410)
body from seal gland (17A).
23. Remove back-to-back bearings (16) with
bearing frame (99).
24. Inspect back-to-back bearings (16) and
oil seal (169) for wear, corrosion or
contamination. Carver recommends
replacing back-to-back bearings (16)
and oil seal (169) after they have been
removed from shaft (6). Refer to
paragraph B of this section for bearing
maintenance.
25. Remove bearing spacer (78).
26. Remove snap ring (176).
27. Remove spacer sleeve (14C) with
slinger (40) intact, from shaft (6).
NOTE
Do NOT remove rotating element of
mechanical seal (90) from shaft sleeve
(14A) at this point, especially if
mechanical seal (90) is relatively clean,
in good working condition.
28. Remove o-ring (89X).
29. If necessary to replace mechanical seal,
remove stationary element of
mechanical seal (90) in seal gland
(17A). Remove gland o-ring (89H) from
seal gland (17A).
30. Remove sleeve (14A) and rotating
element of mechanical seal (90). Inspect
rotating element of mechanical seal
(90). If replacement is required, remove
element from sleeve (14A).
31. Remove key (32X) from shaft (6).
NOTE
Do NOT remove seal collar (68), unless
sleeve (14A) needs replaced.
32. Remove setscrews (665) from shaft
collar (68). Remove shaft collar (68)
from sleeve (14A).
ASSEMBLY
Refer to the applicable sectional drawing for
location of parts followed by an item number.
Assemble the pump in accordance with
accepted rules of engineering practice.
Assembly of the pumping unit should be
performed on a flat surface. Carver recommends
all nuts and bolts be torqued according to Table
10, Recommended Torque Values. Check to
make sure components are fitted in correct
sequence. Assembly begins at the suction
(inboard end) of the pump. Perform the following
procedures to assemble the pumping unit:
NOTE
To ensure proper seating of bearing
parts, rotate the bearing while clamping
the parts.
1. To determine placement of seal collar
(68) on shaft sleeve (14A) refer to Table
5. For installation of mechanical seal
(90) rotating element, refer to the
following procedure:
a. Scribe a mark on shaft sleeve (14A)
at the distance specified in Table 6,
Mechanical Seal Settings (standard).
b. Install seal collar (68) immediately
to the impeller side of the scribe
mark. Secure seal collar (68) to
shaft sleeve (14A) with setscrews
(665).
c. Install rotating element of
mechanical seal (90) onto shaft
sleeve (14A).
2. Install sleeve key (32X) into keyway
in shaft (6). Slide shaft sleeve (14A)
onto end of shaft (6), lining up
keyway of shaft sleeve (14A) with
sleeve key (32X). Lubricate and
install o-ring (89X).
3. Lubricate both gland (17A) and
stationary element of mechanical
seal (90) with suitable lubricant.
Install stationary element of
mechanical seal (90) into gland
(17A). Lubricate and install o-ring
(89H).
4. Slide gland (17A) onto end of shaft
(6). As applicable, ensure tap flush
lines in gland (17A) is positioned so
flush lines can be connected.
5. Install spacer sleeve (14C) with
slinger (40) intact.
6. Install snap ring (176) on shaft (6).
7. Slide bearing spacer (78) onto end
of shaft (6).
8. Install oil seal (169) into bearing
frame (99).
caution
While installing back-to-back bearings,
do NOT unnecessarily hit bearings. If
damage to the bearings occurs, replace
damaged bearings with new bearings.
Refer to Section V, paragraph B.