ARRMA Diff Shim Set - Fits 29mm Diff Case - 3 Diffs
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Product Information
Full details
This ARRMA Diff Shim Set is designed for RC enthusiasts working with 29mm differential cases. It provides essential shims for 3 differentials, allowing for precise adjustment of gear mesh and improved drivetrain performance. While crucial for fine-tuning, ensure compatibility with your specific ARRMA model before purchase.
All features
| Model Part Number | ARA311094 |
|---|---|
| Brand | Arrma |
Extended Product Information
FAQs
What size differential case does this shim set fit?
This set is designed to fit ARRMA's 29mm differential cases.
How many differentials can I service with this set?
The set includes enough shims to service three (3) complete differentials.
Do I need any special tools to install these shims?
While the shims themselves don't require special tools, you will need standard RC maintenance tools for differential disassembly and reassembly, such as hex drivers and possibly a gear diff tool.
Can I use these shims with other brands of RC cars?
These shims are specifically designed for ARRMA 29mm diff cases and are not guaranteed to fit or function correctly with other brands or different-sized differential cases.
What is the main benefit of using differential shims?
Differential shims are used to precisely adjust the gear mesh, reducing slop and wear, which leads to smoother operation, improved efficiency, and a longer lifespan for your differential components.
Where can I find instructions for installing the shims?
Refer to the official service manual for your specific ARRMA model. The manual will provide detailed steps for differential disassembly and reassembly, where you will incorporate the shims.
Troubleshooting
Differential gears are noisy or 'chattering'.
Check the gear mesh. Add or adjust shims to ensure a tighter, more consistent engagement between the ring and pinion gears. Ensure the differential fluid is at the correct level and viscosity.
Differential feels 'sloppy' or has excessive play.
Increase the number of shims used around the differential gears or cross-pins to take up excess play. Ensure all components are seated correctly.
Shims do not seem to fit correctly.
Verify that you are using the correct shims for the 29mm diff case and that they are oriented properly within the differential assembly. Double-check the part number against your vehicle's requirements.
Pros and Cons
Pros
- Improves differential gear mesh for smoother operation.
- Enhances drivetrain efficiency and power delivery.
- Helps reduce wear and tear on differential components.
- Designed for a precise fit with 29mm ARRMA diff cases.
- Cost-effective solution for differential maintenance and tuning.
Cons
- Requires some mechanical knowledge for proper installation.
- Only compatible with specific 29mm ARRMA differential cases.
- Does not include differential fluid or other service items.
- May require additional tools not included in the set.
Setup, Compatibility & Care
Setup: Installation involves disassembling the differential case, placing the appropriate shims around the differential gears and cross-pins as needed to achieve the correct gear mesh, and then reassembling the case. Refer to your specific ARRMA model's manual for detailed differential disassembly and reassembly instructions.
Compatibility: This shim set is designed specifically for ARRMA models utilizing a 29mm differential case. Always verify your vehicle's manual or parts list to confirm compatibility before purchasing.
Care: Keep the shims clean and free from debris. Store them in a safe place to prevent loss. After installation, check differential fluid levels and condition.