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4.2.3 Shaft Installation.
Fig 25
• Install the shaft assemblies.
o Light oil applied to the bearing bore will aid in assembly
o Set gear box over bench with hole to allow shaft to drop through, or
another holding fixture which allows shaft to drop through the gear
box. Drop shaft assembly into gear box with aid of a hoist. Tap shaft
into place with rubber mallet by hitting top of shaft. If needed, lightly
press against the outer bearing race with an appropriate tool to fully
seat the bearing and shaft assembly.
Bench or holding apparatus must be of sufficient strength to hold weight of
pump while tapping shaft into place.
When installing the shafts make sure they are installed square to the
gearbox and that none of the rollers on the needle roller bearing get
obstructed.
• Install the lip-seals into the bearing retainer plate use special tools.
o See section 4.0
• Install the o-ring, bearing retainer plate and optional counter face gamma
seal.
• Install the screws and torque them up.
See section 6.2 for torque settings.
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