Goulds Pumps 3100 - IOM - Manual (Page 39)

SHAFT SLEEVE (126)
1. Check shaft sleeve surface for grooves and/or
pitting (Area “a” in Fig. 24). Replace if any are
found.
2. Inspect O-ring groove on face of shaft sleeve.
(Area “b” in Fig. 24). Surface should be free of
pits, grooves and scratches.
MOTOR ADAPTER (504) - M GROUP ONLY
1. Check motor adapter (504) for cracks or
excessive corrosion damage. Replace if any of
these conditions exist. (Fig. 25)
REASSEMBLY
MOTOR INSPECTION
1. Check shaft runout. Rotate shaft by hand 360
degrees (Fig. 26). If total indicator reading (TIR)
is greater than the values indicated in Table 5,
check the motor for cause of the runout
(possible bent shaft). Table 5
Motor Inspection Specifications
Motor Size
Shaft Runout
(TIR)
Shaft End Play
140JM-250JM .002 .004
280JM-320JM,
364TZC
.003 .006
2. Check shaft endplay on the motor (Fig. 27).
Move shaft forward and backward by hand,
noting indicator movement. If movement is
greater than values indicated in Table 6, check
the motor for cause of looseness (possible
failed motor bearings).
3100 IOM 1/97
31
6
Fig. 24
Fig. 25
Fig. 26