
OPERATION
EN
SI-21-06-R1 (11/2021)
27 / 32
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Step 30A
Step 29A
Assemble Rear Cover onto
Bearing Housing
Assemble Star Head Screws:
Replace star screws into rear cover of turbine
motor. Do not tighten leave loose and proceed
to next step.
OPTIONAL ALIGNMENT TOOL METHOD
Figure 1-30A
A13268-00 Alignment Ring
Figure 1-29A
Align housing, Spacer and Rear Cover
in Alignment Ring
Align Turbine Motor in Alignment Ring:
Carefully align turbine motor as shown in Figure
1-30A. Once aligned, check shaft for free rotation
by hand then proceed to tighten #10 Star screws to
12-15 lbs.-in. (1.4-1.7 N-m) torque using an alter-
nating pattern. The shaft should be free moving
during the screw tightening process as well as af-
ter. If not spinning free, loosen screws and reposi-
tion unit in the alignment ring, then repeat process.
Remove large diameter rear O-Ring
during assembly.