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Celestron Powertank 12v DC rechargeable power station

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  1. Celestron Powertank 12v DC rechargeable power station, Battery: 步骤 1 中的图像 1,3 Celestron Powertank 12v DC rechargeable power station, Battery: 步骤 1 中的图像 2,3 Celestron Powertank 12v DC rechargeable power station, Battery: 步骤 1 中的图像 3,3
    • To dismantle, use a long crosshead screwdriver that will fit the screw heads properly. Remove the long screw that holds the lamp hinge together, remove the plastic hinge pin and pull off the lamp - this will require a fair amount of finger strength. Keeps the parts safe. Note the rubber washers between the pin flange and the brackets.

    • The third photo shows the friction inserts that prevent the lamp housing from moving when positioned. Note the placement of these for reassembly.

  2. Celestron Powertank 12v DC rechargeable power station: 步骤 2 中的图像 1,2 Celestron Powertank 12v DC rechargeable power station: 步骤 2 中的图像 2,2
    • To remove the battery, remove the spade connectors. Avoid shorting out or touching the terminals. Dispose of the expired battery according to local regulations. It will still contain charge so handle with care - tape over the terminals if neccessary. This photo shows the new battery.

    • To attach the new battery reconnect the leads, noting red lead goes to red terminal. I made a mistake here and reinserted the battery back to front but it still works. It's a rather heavy and clumsy component.

  3. Celestron Powertank 12v DC rechargeable power station: 步骤 3 中的图像 1,1
    • This is the main bulb for reference. It's held into the reflector by a spring clip as shown. Disconnect the black lead to make it easier to get at.

  4. Celestron Powertank 12v DC rechargeable power station: 步骤 4 中的图像 1,3 Celestron Powertank 12v DC rechargeable power station: 步骤 4 中的图像 2,3 Celestron Powertank 12v DC rechargeable power station: 步骤 4 中的图像 3,3
    • When the case is opened some parts may come adrift - note the red sliding switch fits over the switch component underneath. Also the pink button for the top lamp flashing function can drop out easily.

    • The cable for the main lamp fits between the hinge tube and the outside of the casing as shown in the third photo.

    • In the second photo just above the strap recess to left of the pink button switch, you can see a small horizontal metal contact - make sure this stays in this position, as it is the retainer for the top lamp bulb.

  5. Celestron Powertank 12v DC rechargeable power station: 步骤 5 中的图像 1,2 Celestron Powertank 12v DC rechargeable power station: 步骤 5 中的图像 2,2
    • Reassembly is tricky - make sure everything lines up including the switches and small circuit boards, which fit in lugs inside one half of the casing. Use a small torch to look inside if neccessary. Make sure cables are not "pinched". If everything is okay the casing halves should fit evenly and easily.

    • The second photo shows the reflector and bulb assembly for the top lamp. If you look closely on the right edge behind the bulb you will see a small metal "V" or claw - this holds the bulb in place. To remove the bulb, rotate it carefully so the claw clears the cutout in the flange and pull out.

  6. Celestron Powertank 12v DC rechargeable power station: 步骤 6 中的图像 1,1
    • The Power Tank can now rejoin your telescope and provide you with centuries of enjoyment exchanging coded light signals with extraterrestrial civilizations. And power your heated travel mug. It may be able to start your car again after immobilisation by a nearby UFO, but I haven't tried that yet.

结论

Inexpensive replacement for a very useful and well made device.

2等其他人完成本指南。

Philip Laskey

于02/28/19注册

193 声望

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2条评论

Thanks! I do happen to favor my Power Tank and appreciate you sharing your project.

RafBo - 回复

Very Grateful for the tutorial and photos! It was of terrific help. I have 2 of these Power Tanks and I’ve learned the included charger over charges the battery. I now use a battery minder that has computer smarts to know when the battery is charged and de-sulfonates ****** as well.

Jerry Kuchera - 回复

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