Distek, Inc.
Service Note:
2500x-1090
Page 3 of 6
121 North Center Drive
North Brunswick, NJ 08902 USA
P: 732-422-7585 F: 732-422-7310 TOLL FREE: 888-234-7835
This document contains confidential and proprietary information which is not to be disclosed to others for any purpose nor used for manufacturing
purposed with written permission from Distek, Inc.
Service Note
Step 4
Locate the three screws on the underside of the drive plate that secure the drive pulley
assembly as shown. Using a hex key (9/64” hex key), remove the 3 hex head screws and drive
pulley assembly from the instrument.
Step 4
An old style drive pulley assembly (2800-0253) can be identified by the three
screws required to fasten the assembly on the drive plate.
Step 5
Loosen the set screws (1/16" hex key) of the bottom pulley as shown.
Step 5
Step 6
Lift the top pulley (with the spindle sleeve) and remove it from the c-shaped bracket as shown.
Step 6
