Monitor Audio Vector Service Manual download pdf (Page 102)

Maintenance

6-2

WFM90D and WFM91D Service Manual

Instrument performance should be checked after each 2000 hours of operation or

every 12 months. This will help to ensure maximum performance and assist in

locating defects that may not be apparent during regular operation. Performance

Verification and Adjustment Procedures are included in this manual.

After Repair Adjustments

You should perform the Adjustment Procedures starting on page 5--1 whenever

you have removed the Top or Bottom cover during the service of this instrument.

Repackaging Instructions

Use the following instructions to prepare your instrument for shipment to a

Tektronix, Inc., Service Center:

1. Attach a tag to the instrument showing: the owner, complete address and

phone number of someone at your firm who can be contacted, the instrument

serial number, and a description of the required service.

2. Package the instrument in the original packaging materials. If the original

packaging materials are not available, follow these directions:

a. Obtain a carton of corrugated cardboard having inside dimensions six or

more inches greater than the dimensions of the instrument. Use a

shipping carton that has a test strength of at least 250 pounds (113.5 kg).

b. Place the instrument in its carrying pouch or surround the instrument

with a protective bag.

c. Pack dunnage or urethane foam between the instrument and the carton. If

using Styrofoam kernels, overfill the box and compress the kernels by

closing the lid. There should be three inches of tightly packed cushion-

ing on all sides of the instrument.

3. Seal the carton with shipping tape, industrial stapler, or both.

Performance Verification

and Adjustments

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Monitor Audio Vector Service Manual Page 102