Printronix PrintCart Bedienungsanleitung PDF herunterladen (Seite 43)

Display Fuse

Fuse Replacement

There are two fuses on the PrintCart:

• Display Panel Fuse – located between the front most battery terminals in

an in-line holder.

• Main Fuse – located on top of the battery clamp plate inside a black

plastic housing.

An open fuse means an abnormal situation exists in the power system.

Excessive equipment loading or possible short circuits may exist. Carefully

examine all components and wiring in the system for damage before

replacing a fuse to prevent a re-occurrence of the failure.

Display Fuse

1. Open the rubber fuse holder and pull the blown fuse out.

2. Replace only with an identical 1 Amp blade fuse (ATO 1).

3. Close the rubber fuse holder after replacement.

Main Fuse

1. Switch the inverter OFF.

2. Unplug the DC power service disconnect on top of the battery clamp

plate.

3. Unplug the LED display power cord disconnect.

4. Using a pallet jack or subpallet carrier, remove the battery pack.

5. Lift the snap-on cover on the front until it opens.

6. Loosen and remove both M8 nuts (13 mm or 1/2 inch open end wrench)

and carefully lift the fuse from the threaded terminal posts.

7. Install the new fuse onto the studs.

8. Reverse the above procedure to reinstall connections.

Figure 23. Replacing the Main DC Power Fuse

M8 Nuts

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Printronix PrintCart Bedienungsanleitung Seite 43