Dell PowerVault 130T DLT Service Manual - Page 72

using a Torx driver with a T-15 bit, being, careful not to damage the theta motor power

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Theta Motor Replacement 1. Bundle the theta motor power cable using a tie wrap, to match the original cable. 2. Attach the mounting bracket (baseplate) to the bottom of the new theta motor, using the two screws taken from the original. Note the orientation of the alignment slot and mounting hole relative to the cable outlet on the motor. 3. Place the motor into the library so the theta belt loops around the motor pulley, and match the alignment slot and mounting hole on the baseplate with the chassis mounting holes. 4. Loop the theta motor belt around the theta motor pulley. Make sure it moves freely. 5. Aligning the front of the theta motor mounting bracket flush with the front edge of the chassis, replace the mounting screws using a Torx driver with a T-15 bit, being careful not to damage the theta motor power cable. NOTE: Make sure to use short screws. Using longer screws may cause the mechanism to bind. 6. Reinstall the tensioner spring, reposition the theta belt tensioner and reinstall the two screws using a Torx driver with a T-15 bit. Align the theta belt flush with the base plate of the Z column. 7. Test for free movement of the belt tensioner and spring by pressing on the belt retention flange on the tensioner. PowerVault 130T Service Manual 3-36 4473D

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Theta Motor
PowerVault 130T Service Manual
3–36
4473D
Replacement
1.
Bundle the theta motor power cable using a
tie wrap, to match the original cable.
2.
Attach the mounting bracket (baseplate) to
the bottom of the new theta motor, using the
two screws taken from the original.
Note
the orientation of the alignment slot and
mounting hole relative to the cable outlet on
the motor.
3.
Place the motor into the library so the theta
belt loops around the motor pulley, and
match the alignment slot and mounting hole
on the baseplate with the chassis mounting
holes.
4.
Loop the theta motor belt around the theta
motor pulley.
Make sure it moves freely.
5.
Aligning the front of the theta motor
mounting bracket flush with the front edge
of the chassis, replace the mounting screws
using a Torx driver with a T-15 bit, being
careful not to damage the theta motor power
cable.
NOTE: Make sure to use short screws.
Using longer screws may cause the
mechanism to bind.
6.
Reinstall the tensioner spring, reposition
the theta belt tensioner and reinstall the
two screws using a Torx driver with a T-15
bit.
Align the theta belt flush with the
base plate of the Z column.
7.
Test for free movement of the belt
tensioner and spring by pressing on the
belt retention flange on the tensioner.