Mercury Optimax 115 Service Manual page 379

Forward Gear
REMOVAL AND DISASSEMBLY
NOTE: Forward gear can only be removed from gear housing after driveshaft 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,
remove bearing from gear and bearing race from gear housing (tapered bearing and
race MUST BE replaced as a set), as follows:
a. Install Universal Puller Plate (91-37241) between forward gear and tapered bear-
b. Place forward gear, bearing and puller plate on a press and press gear out of bear-
c. Use Slide Hammer (91-34569A1) to remove forward gear tapered bearing race.
a -
b -
c -
d -
d. After forward gear tapered bearing race is removed from gear housing, lift out and
3. If inspection determines that replacement of propeller shaft needle bearings in for-
ward gear is required, remove bearing from gear as follows:
a. Clamp forward gear in a soft jaw vise securely.
b. From toothed-side of gear, drive propeller shaft needle bearings out of gear with
90-855347R1 JANUARY 1999
ing.
ing with a suitable mandrel.
b
51870
Universal Puller Plate
Mandrel
Slide Hammer
Tapered Bearing Race
retain shims which were behind bearing race.
a punch and hammer.
c
a
RIGHT HAND NON-RATCHETING
51865
d
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