Keithley 7999-4, Instruction Manual, Page: 35 / 41

5-2 Replaceable Parts
Introduction
This section contains replacement parts information and component layout for the
Model 7999-4.
Parts list
Parts lists for the Model 7999-4 are contained in Table 5-1 and Table 5-2.
Ordering information
To place an order, or to obtain information concerning replacement parts, contact your
Keithley representative or the factory (see inside front cover for addresses). When ordering
parts, be sure to include the following information:
• Switch model number (Model 7999-4)
• Serial number
• Part description
• Component designation (if applicable)
• Keithley part number
Factory service
If the switch is to be returned to Keithley Instruments for repair, perform the following:
• Call the Repair Department at 1-800-552-1115 for a Return Material Authorization
(RMA) number.
• Complete the service form at the back of this manual, and include it with the
instrument.
• Carefully pack the instrument in the original packing carton.
• Write ATTENTION REPAIR DEPARTMENT and the RMA number on the shipping
label.