b. Module Dust Cover
Lift up bail handles and turn them to the left until they release. Lift off cover.
For scope module A2, remove four screws from cover and lift it off.
Remove screw, Iockwasher, washer and spring from each corner of module.
Pull up on module (or bail handle if cover has not been removed) to unplug module from
Clean exterior and interior of modem chassis and case and exterior of modules only. Do not
remove moduIe covers.
Do not press on meter or scope face when cleaning.
Remove dust and loose dirt from outside surfaces of the modem with a clean, soft cloth
be used for better cleaning.
See trichlorotrifluoroethane warning on page a.
See compressed air warning on page a.
Remove grease, fungus and ground-in dirt from case. Use a cloth dampened (not wet) with
cleaning compound (item 2, app. C).
Remove dust or dirt from plugs and jacks with a brush (item 5, app. C).