Technical data

INSPECTIONS

The Model 3196 parts must be inspected to the

following criteria before they are reassembled to

insure the pump will run properly. Any part not

meeting the required criteria should be replaced.

3. Inspect leading and trailing edges of the vanes for

pitting, and erosion or corrosion damage.

(Area ‘c” in Fig. 62.).

NOTE: Clean parts in solvent to remove oil,

grease or dirt. Protect machined surfaces

against damage during cleaning.

Casing

The casing (100) should be inspected for excessive

wear or pitting. It should be repaired or replaced if it

exceeds the following criteria (Fig. 61).

1. Localized wear or grooving greater than l/8 in.

(3.2 mm) deep.

2. Pitting greater than l/8 in. (3.2 mm) deep.

3. Inspect case gasket seat surface for irregularities.

100

Fig. 61

Impeller

Inspect impeller (101) vanes for damage. Replace if

grooved deeper that l/l 6 in. (1.6 mm) or if worn

evenly more than l/32 in. (0.8 mm).

(Area “a’ in Fig. 62)

2. Inspect pumpout vanes for damage. Replace if worn

more than l/32 in. (0.8 mm).

(Area “b” in Fig. 62)

Fig. 62

Frame Adapter

1. Check frame adapter (108) for cracks or excessive

corrosion damage. Replace if any of these

conditions exist (Fig. 63).

2. Make sure gasket surface is clean.