Campbell 21X Spécifications télécharger pdf (Page 34)

Number 4250-2010

Revision 0.1

Date MAY 1996

Page 15 of 37

VERIFY Verify that the GOES primary channel select switches are set to

GOES “900” and the secondary channel select switches set to "000." If the

SWITCHES switches are not set to these channels, they must be reset prior to

continuing with servicing of the DCP.

CLEAN Spray the contacts on all external (front panel) connectors with

EXTERNAL contact cleaner.

CONTACTS

CHECK Check the mounting screws for all front panel connectors. Loose

MOUNTING screws should be tightened.

SCREWS

REPLACE If the battery is more than five (5) years old (as indicated by the

BATTERY installation date marked on the battery), or if the battery failed the

battery test during inspection, the battery must be replaced. Battery

replacement procedures are as follows:

• Turn the power switch OFF.

• Disconnect any external power source (battery or battery charger)

from the DCP.

• Disconnect the DCP internal battery connectors.

• Remove the circuit board hold-down bracket.

• Remove the battery hold-down bracket.

• Lift the battery out of the DCP case.

• With a permanent marker, write the installation date on the new

battery.

• Place the new battery in the DCP case.

• Replace the battery hold-down bracket.

CLEAN Check the power switch. If it is not "OFF," turn it OFF.

CIRCUIT

BOARD Remove the DCP plug-in circuit boards.

Clean printed circuit board's edge connector contacts and the ribbon

cable connector contacts with contact cleaner.

CLEAN Clean the backplane connectors with contact cleaner.

BACKPLANE

CONNECTORS Clean the contacts on the ribbon cable connectors with contact

cleaner.

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Campbell 21X Spécifications Page 34