MerCruiser 305 CID (5.0L), Руководство по обслуживанию

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SEAWATER COOLED MODELS
SERVICE MANUAL NUMBER 24
90-861327--1 OCTOBER 1999 Page 6A-15
4. Remove snap ring from bearing housing bore and press shaft and bearings out pulley
end of housing. Bearings have a slip fit in housing; do not use excessive force.
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a
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Snap Ring
5. If bearings require replacement, remove bearings from shaft with Universal Puller Plate
and an arbor press. Bearings must be replaced, if removed.
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6. If rear seals require replacement, press seals from bearing housing with an appropriate
tool.
Cleaning and Inspection
1. Clean metal parts in solvent and blow dry with compressed air.
IMPORTANT: Do not spin bearings at high speed when drying with compressed air,
as bearings may be scored.
2. After cleaning, apply a coat of light engine oil to shaft and bearings to prevent rust.
3. Clean all gasket material and sealer from sealing surfaces.
4. Inspect bearing housing. Examine surfaces (where bearings contact housing) for evi-
dence of bearing outer races turning in housing.
5. Inspect seals in bearing housing.
6. Inspect pump shaft bearings.
7. Inspect pump shaft for grooves in surface where seals contact shaft. Also inspect sur-
face where bearings contact shaft for evidence of inner races turning on shaft.
8. Inspect pump body.
9. Inspect inner and outer wear plate.
10. Inspect pump impeller for wear on sides and tips of blades. Also inspect blades for
cracks in area where blades flex. Replace impeller if blades have taken a set (remain
in curved position).
11. Inspect pump pulley.
12. Check drive belt for excessive wear.
Index