Molly Ayala
Electric train sets are a fun and intricate hobby, but sometimes they need to be disassembled for maintenance or storage. Whether you're a beginner or an experienced model railroader, the process of taking apart an electric train set can be daunting, but with the right tools and knowledge, it's achievable. This guide will walk you through the essentials of disassembling an electric train set, including the necessary skills, tools, and step-by-step instructions to make the process smoother. From removing the draft-gear boxes and couplers to separating the shell from the body, we'll cover everything you need to know to confidently tackle this task and ensure your train is ready for its next adventure on the tracks.
| Characteristics | Values |
|---|---|
| Locomotive disassembly essentials | Remove the draft-gear boxes and couplers, separate the shell from the body, and remove the trucks. |
| Tools | Foam cradle, screwdrivers in various sizes, a metal grabber pickup tool, and hobby knives with Nos. 11 and 17 blades |
| Common train set components | Locomotive, freight or passenger cars, sections of track, transformer |
| Electric train dangers | Severe electric shock if the transformer does not reduce the voltage to a safe level |
| Issues with plastic train parts | Warping and disfigurement from heat, leading to cracks and breaks in the insulation around wires |
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What You'll Learn
Removing the shell
First, remove the draft-gear boxes and couplers. Typically, the front and rear boxes are secured with a single Phillips-head screw. After removing the screw, gently pull out the boxes and couplers, being careful not to misplace the small parts. Place them in a container or utilise the recess in your foam cradle to keep them organised and safe.
Next, locate the screws that hold the shell to the mechanism. On some models, like the WalthersMainline EMD SD50, there are two shell screws found between the fuel tank and the front of the rear truck. You may need to slightly rotate the truck to access these screws. Remember to use the correct screwdriver to avoid damaging the screws.
Once the shell screws are removed, it's time to separate the shell from the body. Hold the locomotive in your right hand and make a fist with your left hand. Lightly tap the shell from below the front pilot, then repeat the same action on the back pilot. This should release the shell from the mechanism without causing any damage.
In some cases, you may need to break glue joints to fully remove the shell. For this step, a hobby knife with a No. 17 blade is useful. Exercise caution when working around clear plastic parts to avoid any accidental cracks or breaks.
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Taking out the draft-gear boxes and couplers
To begin disassembling an enormous electric train set, you'll first need to remove the draft-gear boxes and couplers. The coupler is a mechanism that connects the rail vehicles, and the draft gear or draw gear absorbs the stresses of the coupling and the train's acceleration.
The first step is to locate the front and rear draft-gear boxes, which are usually secured with a single Phillips-head screw. Using a Phillips-head screwdriver, remove the screw and gently pull the boxes, along with the attached couplers, out of their housing. It is important to place these screws, boxes, and couplers in a container to avoid misplacing them during the disassembly process. Removing these components is generally straightforward and can be accomplished with relative ease.
The next step is to identify the screws that hold the shell to the mechanism. Depending on the train model, you may need to slightly rotate the truck to access these screws. On a WalthersMainline EMD SD50, for instance, there are two shell screws located between the fuel tank and the front of the rear truck. These screws have a coarse thread because they are designed to mount into plastic. Carefully remove these screws and set them aside in the container to keep them organised and easily accessible during reassembly.
At this stage, you may also need to address the coupler height and shim the coupler box with thin styrene sheets to ensure it meets the standard coupler height. This process involves using a coupler height gauge and adjusting the coupler box accordingly. Additionally, you might consider using a magnetic screwdriver to tighten down the screws near the draft-gear boxes, reconnecting the plugs to the motherboard.
Once you have removed the necessary screws and adjusted the coupler height, you can safely remove the draft-gear boxes and couplers. It is important to handle these components with care and place them in a secure location, as they are crucial for reassembling your train set. Remember to test the locomotive after reassembly to ensure all functions are operating correctly.
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Using the right tools
First, ensure you have the necessary tools on hand. For disassembling a locomotive, you will need a variety of tools, including screwdrivers, a foam cradle, a metal grabber pickup tool, and hobby knives. A magnetic screwdriver can be especially useful for installing and removing shell screws. Always use the correct screwdriver for the job; using the wrong size can strip the head of the screw, making it difficult or even impossible to remove. Flat-blade screwdrivers are ideal for gently releasing plastic tabs on the shell, while Phillips-head screwdrivers are needed for removing screws from draft-gear boxes.
Next, follow these steps for disassembling the locomotive:
- Remove the draft-gear boxes and couplers. They are usually secured with a single Phillips-head screw. Place the screws, boxes, and couplers in a container to keep them organised and safe.
- Locate the screws that hold the shell to the mechanism. These may be located between the fuel tank and the front of the rear truck. You may need to rotate the truck to access them.
- Remove the shell screws. Again, a magnetic screwdriver can be helpful here.
- Separate the shell from the body. Hold the locomotive in your right hand and make a fist with your left hand. Lightly tap the shell from below the front pilot, then do the same at the back. This should release the shell without causing any damage.
- Remove the trucks. First, disconnect the plugs connecting them to the motherboard. Take reference photos at this step to ensure you can easily reassemble the locomotive later.
- If needed, use a hobby knife to break glue joints and release window glazing in locomotive cabs. Be careful not to crack any clear plastic parts.
By following these steps and using the right tools, you can successfully disassemble an enormous electric train set while minimising the risk of damage to its components.
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Reassembly
Layout the Tracks:
Begin by laying out the sections of your train track. Ensure you have enough pieces to form a complete layout. If you have additional track pieces, you can expand your layout to create a more intricate design. Remember that for a basic circle, you typically need at least eight curved track sections.
Position the Locomotive and Cars:
Place your locomotive, which could be steam, diesel, or electric, on the tracks. Depending on the set, you might have three or four freight or passenger cars to attach behind the locomotive. Ensure they are securely coupled and ready to roll.
Connect the Power Supply:
Connect the power supply to your train set. Most starter sets include a power pack, but you might want to consider upgrading to a more robust power source for better performance and longer running times.
Test the Transformer:
The transformer is a crucial safety component. It reduces the high voltage from the wall outlet to a safer level for your train set. Connect the transformer between the electrical outlet and the track. Test it to ensure it is functioning correctly and providing the appropriate reduced voltage.
Inspect Wires and Electrical Components:
Before turning on your train set, carefully inspect all exposed wires. Check for any cracks, bare spots, or signs of deterioration. Bend and wiggle the wires to ensure the insulation is supple and intact. This step is essential for safety and preventing electrical hazards.
Test Run:
Once everything is connected and inspected, it's time for the test run! Turn on the power and observe your train set in action. Spin the locomotive wheels by hand first to ensure they turn freely without binding. Gradually increase the speed and observe the train's movement around the tracks.
Fine-Tune and Adjust:
During and after the test run, pay attention to any potential issues. Check for loose or stuck components, short circuits, or mechanical problems. Fine-tune and adjust your train set as needed to ensure optimal performance and safety.
Remember to refer to your specific train set's instructions for detailed reassembly steps, as different brands and models may have unique requirements. Enjoy the journey of bringing your enormous electric train set back to life!
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Troubleshooting
Train Won't Run
First, check that your train set is placed securely on the track. Gently slide the train back and forth to ensure that all wheels are making contact with the track. If the train still won't run, inspect the power supply. Make sure the electrical outlet is turned on and check for a broken power supply. If you suspect an issue with the power supply, consider using a multimeter to measure the electric current. Alternatively, create a simple test tool with a low-voltage light bulb and wires.
Train Stuttering or Shaking
If your train stutters or shakes while moving, there could be an issue with the layout or a particular train. Test run a locomotive on every section of the track to identify any problem areas. If you pinpoint a specific spot, run all your trains over it to determine whether the issue is with a particular train or the track. If the problem occurs with multiple trains, the track may need cleaning. Use white spirits, rubbing alcohol, or specialized cleaners to wipe away any dust, dander, hair, or sawdust that could be causing interference.
Derailments and Inadequate Train Movement
Derailments and inadequate train movement can be frustrating, but regular maintenance and troubleshooting can help. Inspect your train set for any obvious issues, and if you're uncomfortable with electrical work, don't hesitate to consult an expert. Remember that with each issue you tackle, you'll gain valuable experience in identifying and resolving problems.
Short Circuits
Short circuits can occur when a rail or wire touches the opposite rail or wire. If you have multiple power leads, ensure they aren't crossed. Color-coding your wires can help prevent this issue. If using a 2-rail track, be cautious of creating a short in a reversing loop or wye. Switches and crossings can also cause shorts if the opposite rails touch without an insulated break. Remove any suspicious pieces and test again to locate the source of the short circuit.
Long-Term Storage Issues
If your train set has been stored away for a long time, especially in a damp environment, you may encounter issues with corrosion or dirt buildup. This can often be resolved with special abrasive cleaning blocks and liquid cleaners available at hobby stores. A strong eraser and rubbing alcohol can also effectively remove stubborn dirt and corrosion.
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Frequently asked questions
Basic tools include a foam cradle, screwdrivers in various sizes, a metal grabber pickup tool, and hobby knives with Nos. 11 and 17 blades.
First, remove the draft-gear boxes and couplers. Next, find the screws that hold the shell to the mechanism and separate the shell from the body. Then, remove the trucks and disconnect the plugs connecting them to the motherboard.
Always use the correct screwdriver to avoid stripping the head of a screw. Take a reference photo of the motherboard before removing any wires to ensure proper reassembly. Be careful not to crack any clear plastic parts. Check all exposed wires for cracks and bare spots, and spin the locomotive wheels by hand to ensure they turn freely.
You may want to see the inside of the locomotive or repair/replace a circuit board, gears, or faulty wires/lights.
