Ground Control MCD-4800 Use and care manual

MCD-4800 Football
Battery Replacement Instructions
MCD-4800 Battery Replacement
Ground Control
Gen II - 2017

MCD-4800 Battery Replacement Ground Control
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Warning:
Avoid touching battery harness molex
connector contacts during procedure.
Do not touch circuit board components
unless wearing a properly grounded ESD
wrist strap.
Parts/Tools Needed:
Gen 2 –MCD-4800 Battery Packs
9/64” Hex Wrench
7/16” Socket w/Ratchet Wrench

MCD-4800 Battery Replacement Ground Control
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Procedure:
1. Unplug charger from MCD-4800
2. Open MCD-4800 lid and verify that power button is off/unlit

MCD-4800 Battery Replacement Ground Control
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3. Remove eight screws that secure black top cover using a 9/64”s hex wrench &
set aside
4. Unscrew RP-SMA antenna counterclockwise and set aside

MCD-4800 Battery Replacement Ground Control
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5. Carefully lift black top cover, using raised placard on right hand side - lean
upright against case lid
6. Warning: Do not touch battery connector contacts or exposed circuitry!
a. Unplug battery connector
b. Unstrap top and bottom Velcro retention straps
a
.
a
.
b
.
.
b
.
.

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7. Remove used battery pack and set aside
8. Remove three dome retention nuts (shown above) using 7/16” socket and
ratchet wrench

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9. Lift dome upward from frame threaded studs until unseated
10. Unscrew coaxial connector counterclockwise from dome

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11. Warning: Do not touch battery connector contacts or exposed circuitry!
a. Unplug battery connector
b. Unstrap top and bottom Velcro retention straps
12. Lift right edge of battery pack first and pivot around frame brackets
a
.
a
.
b
.

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13. Lift the battery pack from the frame and set aside
14. Follow steps 3-13 in reverse to re-assemble your MCD-4800, using replacement
battery packs.
a. Ground Control asks that you please dispose of your used battery packs
at an appropriate battery disposal facility.
b. Remember to label your replacement batteries with installation date and
order new battery packs every two years under normal usage.
15. Connect Gen II MCD-4800 charger to port on face plate

MCD-4800 Battery Replacement Ground Control
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16. Charge until termination is achieved (at least one of the following)
a. Cooling fan has turned off
b. “http://192.168.128.200/regs.htm” page shows “Batt Voltage” to be
approximately 22.5 V with charger unplugged and unit powered on
17. Push down power button until latched
a. Blue LED in button should light
b. LCD screen on face plate should turn on and display scrolling text
18. Navigate to “http://192.168.128.200/protect/test.htm” in browser
a. User Name: admin
b. Password: gcmount
19. Click “New Full Battery” button and verify that LCD screen displays battery
percentage is set to 100%.
20. Well done. You have successfully replaced the batteries and calibrated the
battery level monitor in your MCD-4800. Thank you for choosing Ground Control
Systems to provide this innovative satellite solution for your portable equipment
and service needs.
For additional technical support call [phone]