Goulds Pumps AF (Axial Flow) (6"-36) MXR Bearings" - Manual (Page 55)

AF (6-36) IOM 53
4. Inspect the keyway and stepped bores for signs of
pitting, wear or corrosion damage.
5. Check the O-ring groove and bolt holes for signs of
pitting or corrosion.
SHAFT
1. Check the shaft (122) for straightness, wear,
corrosion, and radial run-out. Maximum run-out for
non-contact portions of the shaft is .003 in. max.,
see Fig. 52.
2. For all contacting surfaces such as bearing seats,
sleeve seats, and impeller mounting surfaces see
Table 5 on the following page.
SHAFT SLEEVE
1. The shaft sleeve (126) should be replaced if badly
grooved or worn. Localized wear or grooving
greater than 3/32 in. (2.4 mm) deep is cause for
replacement, see Fig. 53.
MECHANICAL SEAL / RESTRICTOR
BUSHING
1. Refer to the mechanical seal (383) vendor’s
manual for inspection instructions.
2. The restrictor bushing, (496B) if necessary should
be replaced during re-assembly.
STUFFING BOX
1. Check the stuffing box (220) for localized wear or
grooving greater than 1/16 in. (1.6 mm) deep.
2. Pitting greater than 1/16 in. (3.2mm) deep.
3. Inspect stuffing box gasket seat surface for any
irregularities.
Fig. 52
1
2
2
2
2
2
1
122
Fig. 53
1
126
Fig. 51
101
4
1
2
5
1
3
6
Fig. 54
2
3
1
220