Page 11 - Mercury Service Tool Guide (2020) - 8M0163249

ALPHA STERNDRIVE

BEARING DRIVER BEARING CUP DRIVER
ALPHA STERNDRIVE

91- 33489 91- 34379T
Installs the small roller bearing into the gimbal housing. Installs the driveshaft bearing cup into the gear housing.
NEEDLE BEARING DRIVER SLIDE HAMMER PULLER

91- 34569A 1
Aids in the removal of various engine components. Replacement jaws (P/N 34570)
may be purchased separately.
PULLER JAWS
91- 33491
Installs the needle bearing in the foward gear. Removes and installs the seals and
bearing in the gimbal housing.
NEEDLE BEARING DRIVER

91-816242
Use with either the two prong or three prong puller on all drive units.
BEARING CUP DRIVER

91- 33492T
Removes and installs the lower swivel pin bearing in the gimbal ring.
BEARING CUP DRIVER

91- 36577T
Installs the forward gear bearing cup into the gear housing with a bearing cup
outside diameter of 89 mm (3.500 in).
BEARING CUP DRIVER

91- 33493T
Installs the upper driveshaft bearing cup into the driveshaft housing.

91- 31106T
Installs the driven gear bearing cup.

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