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

Page 55

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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

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