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Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement

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  1. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Setting Loco.: step 1, image 1 of 2 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Setting Loco.: step 1, image 2 of 2
    • Place Locomotive on the padding and gently turn over.

  2. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Removing Brake Rigging.: step 2, image 1 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Removing Brake Rigging.: step 2, image 2 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Removing Brake Rigging.: step 2, image 3 of 3
    • Remove brake rigging, and pop off gently.

  3. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Unplugging Connection.: step 3, image 1 of 1
    • Unplug the tender loco connection.

  4. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Removing Drawbar.: step 4, image 1 of 2 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Removing Drawbar.: step 4, image 2 of 2
    • Unscrew two flat head screws on the drawbar.

    • Have a magnet on hand for screws that fall into the loco or onto the floor.

    • 2 flathead screws

  5. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Removing Body.: step 5, image 1 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Removing Body.: step 5, image 2 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Removing Body.: step 5, image 3 of 3
    • Unscrew the body using a philips screw driver.

    • Turn over and gently remove the body from the mechanism.

    • Recessed philips head.

  6. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Motor Mount Removal.: step 6, image 1 of 2 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Motor Mount Removal.: step 6, image 2 of 2
    • Remove the motor mount philips screw and remove the gear covering.

    • Philips head screw.

  7. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Worm Gear Greasing.: step 7, image 1 of 2 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Worm Gear Greasing.: step 7, image 2 of 2
    • Add a small amount of grease or oil to the loco.

    • Worm gear.

    • Be careful not to over-lubricate as it may hamper performance.

    • Only use purpose-specific grease or oil.

  8. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Reassembling Body.: step 8, image 1 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Reassembling Body.: step 8, image 2 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Reassembling Body.: step 8, image 3 of 3
    • Replace the body onto the loco and turn over gently.

    • Reassemble until step 5.

    • Make sure the body is properly fitted to the locomotive. Pay attention to the lip on the back of the chassis.

  9. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Axle Removal.: step 9, image 1 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Axle Removal.: step 9, image 2 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Axle Removal.: step 9, image 3 of 3
    • Move towards the trailing truck of the locomotive and remove screws.

    • Remove philps head screw.

    • Remove the trailing truck plate and remove the axle.

  10. Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Greasing Axle.: step 10, image 1 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Greasing Axle.: step 10, image 2 of 3 Hornby A4 OO Gauge Locomotive Disassembly and Maintenance Replacement, Greasing Axle.: step 10, image 3 of 3
    • Clean, replace and grease.

    • Do not over lubricate.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Landon Edmondson

Member since: 03/31/22

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