Eaton 1 Series - Valve Plate and End Cover Assembly

25
Bearing
Cup
Shims
Temporarily
Assembly Without
Valve or Bearing
Plates to Check
Shaft End Play
Figure 33
92 Install two dowel pins in the holes in the end cover
surface of the motor housing.
93 Install a new end cover gasket.
94 Check the motor shaft end play before installing the
bearing and valve plates.
Be sure the bearing cup and shims are in the end cover
and place it on the motor.
Install the eight end cover bolts and tighten them
alternately to the torque specified in the table below:
Model Number
End Cover Bolt
Torque
33, 39 39 lb-ft [53 Nm]
46, 54, 64 63 lb-ft [85 Nm]
Turn the motor over so the mounting flange and shaft
are on top. Place a block of wood under the end cover
so the weight of the motor is not on the servo sleeves.
Figure 34
Gently tap the shaft into the motor with a plastic hammer
to seat the bearings.
Place a dial gauge, with a magnetic base over the shaft
as shown in figure 34. Grasp the shaft low with a pliers
and pry it up to get the end play reading.
The motor shaft end play must be from .002 in. to
.007 in. [,05 mm to ,17 mm].
Adjust the end play by adding or subtracting shims from
under the end cover bearing cup.
Magnetic Base
Dial Gauge
Pliers
95 Turn the motor over and remove the end cover.
Mounting Flange, End Cover Bearing and Shaft End Play