L-828 CCRs LC-Type (4, 7.5, and 10 kW/6.6 A/60 Hz)

Maintenance

 

To keep the L-828 CCRs operating efficiently, follow a preventive

2. Maintenance Schedule

 

 

 

maintenance schedule. Refer to Table 5-1.

 

 

 

 

 

Table 5-1 L-828 CCR (4-10 kW/6.6 A) Maintenance

 

Interval

 

Maintenance Task

Action

 

Daily

Check all control equipment for proper

Check local and remote control (if used)

 

 

operation.

 

on each brightness step.

 

Monthly

Check input voltage.

If input voltage is not within -5% to +10%

 

 

 

 

of the nominal value specified on the

 

 

 

 

nameplate of the regulator, notify power

 

 

 

 

company to correct voltage.

 

 

Check and record output current on each

Use a true rms-reading instrument.

 

 

brightness step.

Adjust current levels if out of tolerance.

 

 

 

 

Refer to Adjustment Procedures in the

 

 

 

 

Operation section. Refer to Table 2-10

 

 

 

 

for the current range for the 3-Step and

 

 

 

 

5-Step CCRs.

 

Annually

Check relays, wiring and insulation.

Clean dirty or slightly pitted contactor

 

 

 

 

contacts. Use a fine file for surface

 

 

 

 

cleaning. Replace contacts that are

 

 

 

 

excessively burned or pitted.

 

 

 

 

Operate the local control switch to check

 

 

 

 

for proper operation of relays and

 

 

 

 

contactors.

 

 

 

 

Make sure input and output connections

 

 

 

 

are tight and that no damaged wires or

 

 

 

 

damaged insulation exists.

 

 

Inspect housing for rust spots.

Clean and touch-up rust spots with paint.

 

 

Inspect lightning arrestor connections.

Tighten any loose connections. Replace

 

 

 

 

charred or burnt wiring or broken

 

 

 

 

arrestors.

 

 

Perform a short-circuit test.

Refer to Short-Circuit Test in this section.

 

 

Perform an open-circuit test.

Refer to Open-Circuit Test in this section.

 

Unscheduled

Check load on regulator.

At installation and subsequent load

 

 

 

 

changes make sure that the output rms

 

 

 

 

voltage times the output true rms

 

 

 

 

current does not exceed the rated load

 

 

 

 

on the name plate of the regulator.

2002 Siemens Airfield Solutions, Incorporated

96A0104B

Page 5-2

All rights reserved

Issued 6/02

 

Page 39
Image 39
Siemens L-828 manual Maintenance Schedule, Interval Maintenance Task Action

L-828 specifications

The Siemens L-828 is a state-of-the-art aircraft communication and navigation system that is designed to enhance efficiency and safety in aviation operations. This system is equipped with a range of advanced features that cater to the evolving needs of modern air traffic management and avionics.

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