Specifications

Document No. DER05022 PREVENTIVE MAINTENANCE

Page 10 of 10 Effective Date 25 May 07

Reassembly and Installation (Cont’d)

14. After completing gearbox installation, install top cover over gearbox.

15. Install drive belt, and apply adequate tension to prevent slippage.

16. Install feed tube and secure in its support. Tighten retaining screws in accordance with

DER05018.

17. Close cover, and secure by tightening screws in accordance with torque specification in

DER05018.

The content of this document is subject to change at any time. Information provided does not cover all details or variations possible

with DERRICK equipment, nor does it cover every contingency that may be met in conjunction with installation, operation,

maintenance, or troubleshooting of the equipment. Should additional information be required, or should situations arise that are not

covered by this manual, bring the matter to the attention of your local DERRICK representative or the Service Department at

DERRICK Corporation in Buffalo, New York.