Goulds Pumps 3910 11th ed. - IOM - Manual (Page 68)

6. Align the thrust deflector fan guard support (234D) to the
thrust bearing end cover (109A) so that the slots in the
support align with the holes in the end cover.
7. Replace the thrust bearing end cover/bearing frame
screws (370N) and torque to values shown in Table 8.
$
! CAUTION
Do not over tighten thrust bearing end cover/ bearing
frame screws.
8. Install thrust deflector fan (123E) over shaft
(Fig. I-B-2).
9. Position thrust deflector fan (123E) approximately 0.8
mm (.030 in.) from thrust bearing end cover (109A)
and tighten deflector set screw (222) firmly.
10. Slide thrust deflector fan guard (234) over guard
support (234D) and align holes in guard with tapped
holes in guard support (Fig. I-B-4).
11. Install thrust deflector fan guard/support screws
(469Q) and tighten to value shown in Table 8.
12. Replace coupling hub (if removed) and spacer portion
of coupling. Refer to coupling manufacturer’s
instructions for assistance.
NOTE: Coupling adjustments should be completed
before proceeding with coupling guard assembly.
13. Spread opening of coupling guard half (501B) slightly
and place over thrust deflector fan guard (234) so that
annular groove in guard half locates around guard
support extension (Fig. I-B-5 and I-B-6).
NOTE: Locate opening (flange) so that it will not
interfere with piping but will allow access for installing
bolts (Step 14).
14. Place one washer over bolt and insert bolt through
round hole at front end of guard half (501B).
15. Place a second washer over exposed end of bolt and
tighten firmly.
16. Thread nut onto exposed end of bolt and tighten
firmly.
The proper sequence of components is shown in
Fig. I-B-7; an assembled unit is shown in Fig. I-B-8.
68
3910-
11th IOM 5/08
Fig. I-B-4
Fig. I-B-5
Fig. I-B-6
Fig. I-B-7