Goulds Pumps 3298 - IOM - Manual (Page 82)

Maintenance
1. Steel washer with rubber bond
2. Socket head capscrew
3. Impeller
4. Paper gasket
5. Arbor
Figure 75: L group
SP3298 volute insert trimming guidelines
Trimming guidelines
Do not make cuts larger than 0.050 in (0.127 cm)
Use arbor tool C06820A for SP3298 size 1x1.5-6 and C06821A for SP3298 size 2x3-6.
Make sure that the arbor runs within 0.002 in. (0.005 cm) TIR.
1. Volute insert
2. Arbor
Cutwater trimming guidelines
Machine the cutwater to full depth using radius dimension "R" as shown in the Cutwater radius
table.
Use arbor tool C06820A for SP3298 size 1x1.5-6 and tool C06821A for SP3298 size 2x3-6.
Table 8: Cutwater radius
Impeller diameter in inches (centimeters) "R" +/- 0.010 inches (0.25 mm)
5.00 (12.70) 2.563 (6.510)
5.12 (13.00) 2.625 (6.668)
80 3298 Family Installation, Operation, and Maintenance Manual