When the seal, or metal cover of the seal is pried sufficiently forward, use a
needle-nose pliers, or an equivalent tool, to complete the seal removal.
Cover all openings in the speed increaser to prevent entry of foreign particles.
Lubricate the inner lip of seal (2) with lubricating oil, Military Specification
To prevent damage to the seals, always install the
seals with the seal part number and manufacturer's
name facing outward.
Install the seal on the speed increaser using an insert tool, or equivalent
driver tool, with a 1.5-inch ID and a 2.5-inch OD.
Install the seal so that it bottoms against the flange or shoulder of the housing.
Use care to prevent deformation of the seal and seal contact surface.
Ensure that the seal is flush with recessed flange surface of housing within
7-39. OIL SIGHT GLASS.
Drain the lubricating oil from the speed increaser.
and perform the applicable steps.
Remove oil sight glass (5) by unscrewing the assembly from the speed
increaser. Remove and discard O-ring (4). Cover the opening to prevent the
entry of foreign particles.
Installation of oil sight glass (5) is the reverse of removal.