Mercury 225 EFI, Руководство по обслуживанию

Страница: 527 / 719

RIGHT HAND NON-RATCHETING
Page 6A-36 90-884294 OCTOBER 2001
4. Inspect the needle bearings on the inside of the forward gear and the bearing surface
on the propeller shaft. If either the needle bearing or the bearing surface of the propel-
ler shaft is pitted, grooved, scored, worn unevenly, discolored from overheating, or
has embedded particles, replace the propeller shaft and remove and replace the
needle bearing in the forward gear as outlined in the next section.
23355
a
a - Forward Gear Needle Bearing Contact Area
5. Inspect the tapered roller bearings on the forward gear and the bearing surface on the
forward gear bearing cup. If either the roller bearings or the bearing surface of the for-
ward gear bearing cup is pitted, grooved, scored, worn unevenly, discolored from
overheating, or has embedded particles, replace the forward gear bearing cup and
remove and replace the tapered roller bearings as outlined in the next section.
FORWARD GEAR ASSEMBLY - Component Disassembly
NOTE: Forward gear can only be removed from gear housing after drive shaft and pinion
gear have been removed.
1. Reach into gear housing and lift out forward gear.
IMPORTANT: DO NOT remove tapered bearing or needle bearings from forward
gear unless replacement of bearings is required. (Bearings cannot be reused after
they have been removed.)
2. If inspection determines that replacement of forward gear tapered bearing is required,
separate gear from bearing as follows:
a. Press Universal Puller Plate (91-37241) between forward gear and tapered bear-
ing.
b. Place assembly on press and press gear out of bearing with suitable mandrel.
NOTE: Tapered bearing and race MUST BE replaced as a set
.
a
b
c
91-37241
51119
a - Forward Gear Bearing
b - Universal Puller Plate (91-37241)
c - Mandrel