Mariner Mercury 105/140 JET, Руководство по обслуживанию

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6C-16 - LOWER UNIT 90-824052R3 JUNE 2002
CAUTION
DO NOT strike gear housing hard with the mallet
or allow gear housing to fall.
a
b
51800
a - Wooden Block
b - Soft Jaw Vise Covers
7. If inspection determines that replacement of
driveshaft tapered bearing is required (refer to
“Cleaning and Inspection”, following), remove
bearing from driveshaft as follows:
a. Position driveshaft in a vise. DO NOT tighten
vise jaws against shaft.
b. Strike shaft with lead hammer; take care not
to drop shaft.
51866
CLEANING AND INSPECTION
1. Clean driveshaft, tapered bearing and race, and
pinion gear with solvent. Dry with compressed
air. DO NOT allow driveshaft bearing to spin while
drying.
2. Inspect pinion gear for pitting, grooves, scoring,
uneven wear and/or discoloration from
overheating. Replace pinion gear if any of the
above conditions are found.
3. Inspect driveshaft needle bearing surface (area
just above pinion gear splines) for pitting,
grooves, scoring, uneven wear and/or
discoloration from overheating. Replace
driveshaft
and driveshaft needle bearing if any of
the preceding conditions are found.
4. Inspect driveshaft to crank shaft splines for wear.
Replace driveshaft if wear is excessive.
5. Inspect tapered bearing race for pitting, grooves,
scoring, uneven wear and discoloration from
overheating. Replace tapered bearing and race
as a set, if any of the preceding conditions are
found.
6. Inspect driveshaft for groove(s) where water
pump base oil seals contact shaft. Replace
driveshaft if groove(s) are found.