Cleaning and Inspection
Reassembly
1.
Clean metal parts in solvent and blow dry with
compressed air.
1. Apply a thin coat of Quicksilver Loctite Type 8831
to outside diameter of two new bearing housing
rear seals; then install seals in housing with seal
lips facing impeller end. (Press first seal in until it
bottoms out and second seal in until flush with
housing.)
IMPORTANT: Do not spin bearings at high speed
when drying with compressed air, as bearings
may be scored.
2.
3.
4.
After cleaning, apply a coat of light engine oil to
shaft and bearings to prevent rust.
a
Clean all gasket material and sealer from sealing
surfaces.
b
Inspect bearing housing. Examine surfaces
(where bearings contact housing) for evidence of
bearing outer races turning in housing.
5.
6.
7.
Inspect seals in bearing housing.
Inspect pump shaft bearings.
Inspect pump shaft for grooves in surface where
seals contact shaft. Also inspect surface where
bearings contact shaft for evidence of inner races
turning on shaft.
8.
Inspect pump body.
72660
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).
a - Outer (Water) Seal
b - Face of Housing
11.
12.
Inspect pump pulley.
IMPORTANT: It is recommended that Shell Alva-
nia No. 2 Grease be used when packing seal and
bearings in the following steps. If Shell Alvania
No. 2 Grease is not available, it is permissible to
use Quicksilver 2-4-C With Teflon. However,
Quicksilver 2-4-C Marine Lubricant With Teflon is
not recommended for applications where contin-
uous high speed heavy-duty operation will be en-
countered.
Check drive belt for excessive wear.
Index
90-823324--2 796
SEAWATER COOLED SYSTEMS - 6A-27
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you