Goulds Pumps 3408 - IOM - Manual (Page 58)

52
3408 IOM 03/99
▲
! CAUTION
Do not cut or damage O-ring when lowering the
rotating element into position. When all four
anti-rotation pins (3-943-9) are correctly located,
there will be some casing ring looseness.
27. Lower the upper half casing (2-001-0) into place
using the tapered dowel pins (2-916-1) and install
casing main joint bolts (2-904-1). The casing joint
bolts should be tightened to the following torques:
140 ft-lb minimum for 5/8"-11 hex head cap screws
(Grade 5); 350 ft-lb minimum for 7/8”-9 Ferry Cap
Counter-bor screws (Grade 8). Bolt pattern is shown
in Fig. 58, page 55.
NOTE: Torquing bolts to proper values in proper
sequence is essential in obtaining proper gasket
compression so no leakage can occur at main
joint.
28. Rotate the shaft by hand to assure that it turns
smoothly and is free from rubbing or binding.
29. Install seal water piping (0-952-0).
OIL LUBRICATED BEARINGS
This section describes how to change the oil for oil
lubricated bearings. Fig. 51 shows a typical oiler assembly.
1. Remove the vent assembly from the top of the
bearing housing.
2. Remove the pipe plug from the bottom of the bearing
housing.
3. Loosen the thumb screw on the side of the oiler. Lift
and remove the reservoir.
4. Flush the oiler and bearing housing with a light grade
of oil. Flush until all foreign particles have been
removed.
5. Screw the pipe plug and vent assembly back into place.
6. Using the predetermined heights from Table 1, set
the level adjuster mechanism.
7. Place the level adjuster back in the lower casting.
8. Fill the reservoir with a good grade of filtered mineral
oil. Refer to oil lubrication instructions given
previously in this manual for type of oil.
NOTE: You must fill through Trico reservoir.
9. Back out the thumb screw on the side of the lower
casting so it will not interfere with setting the reservoir
in the lower casting.
10. Place thumb over reservoir spout, invert and place
reservoir on lower casting while removing thumb.
Allow reservoir to empty, filling the bearing housing.
Several fillings of the reservoir may be required
before the actual level is reached. When the oil level
is reached, no more oil will run out of the reservoir.
11. Retighten thumb screw.
After the pump has been started, trial adjustments should
be made to the level adjuster mechanism to prevent too
high or too low of oil levels. Adjust by repeating steps 6
through 11.
A periodic filling of the reservoir is required. When the oil
becomes dirty, repeat steps 1 through 12.
Fig. 51
TABLE 1 - LEVEL ADJUSTER HEIGHTS
PUMP SIZE
“A” DIMENSION
Inboard Outboard
8 x 8-17, 8 x 10-12, 8 x 10-17
1.22 0.53
10 x 10-12, 10 x 12-12
10 x 12-14, 10 x 12-17
8 x 10-20, 10 x 12-18
4 x 6-10, 6 x 8-13, 4 x 6-11
0.53 0.56 6 x 8-10, 6 x 8-17, 6 x 8-18
6 x 8-12M, 8 x 8-12
2 x 3-11, 4 x 6-9, 4 x 6-12
1.12 1.12 4 x 6-14, 6 x 6-9, 6 x 8-9
6 x 8-12