Maintenance
How often preve
ntive maintenance should be performed depends on the severity
of the environment in which you use the instrument. A proper time to perform
preventive maintenance is just before instrument adjustment.
General care
The cabinet helps keep dust out of the instrument and should normally be in
place when operating the instrument.
Interior Ccleaning
Use a dry, low-velocity stream of air to clean the interior of the chassis. Use a
soft-bristle, non-static-producing brush for cleaning around components. If you
must use a liquid for minor interior cleaning, use a 75% isopropyl alcohol solution
and rinse with deionized water.
WARNING. Before performing any procedure that follows, power down the
instrument and disconnect it from line voltage. Failure to do so could cause
personal injury, or death.
Exterior cleaning
Clean the exterior surfaces of the chassis with a dry lint-free cloth or a soft-bristle
brush. If any dirt remains, use a cloth or swab dipped in a 75% isopropyl alcohol
solution. Use a swab to clean narrow spaces around controls and connectors.
Do not use abrasive compounds on any part of the chass is that may damage the
chassis.
Clean the On/Standby switch using a dampened cleaning towel. Do not spray or
wet the switch directly.
CAUTION. Avoid the use of chemical cleaning agents which might damage the
plastics used in this instrument. Use only deionized water when cleaning the menu
buttons or front-panel buttons. Use a 75% isopropyl alcohol solution as a cleaner
and rinse/wipe with deionized water. Before using any other type of cleaner,
consult your Tektronix Service Center or representative.
Inspect the outside of the instrument for damage, wear, and missing parts, using
the following table as a guide. Immediately repair defects that could cause
personal injury or lead to further damage to the instrument.
Table 3-1: External inspection checklist
Item Inspect for Repair action
Cabinet, front panel, and
cover
Cracks, scratches,
deformations, damaged
hardware
Repair or replace defective
module
Front-panel knob Missing, damaged, or loose
knob
Repair or replace missing or
defective knob
3–2 RSA5100B Series Service Manual
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