- All
- Product Name
- Product Keyword
- Product Model
- Product Summary
- Product Description
- Multi Field Search
Language
Views: 222 Author: Ella Publish Time: 2025-04-23 Origin: Site
Content Menu
● Understanding DPF and Regeneration
>> What Is a Diesel Particulate Filter (DPF)?
● When and Why Manual Regen Is Needed
● Step-by-Step Guide: How To Manually Regen a Terex Concrete Mixer Truck
>> Preparation
● Safety Precautions and Best Practices
● Troubleshooting Common Issues During Manual Regen
● Maintenance Tips for Terex Concrete Mixer Trucks
● FAQ
>> 1. How often should I perform a manual regen on my Terex concrete mixer truck?
>> 2. What happens if I ignore the DPF regen warning?
>> 3. Can I drive the truck during manual regen?
>> 4. Why won't my manual regen start?
>> 5. How long does a manual regen take, and can I stop it once started?
Maintaining optimal performance and longevity in your Terex concrete mixer truck requires regular attention to its emission control systems—specifically, the Diesel Particulate Filter (DPF). Manual regeneration, or "regen," is a critical maintenance procedure that burns off accumulated soot in the DPF, preventing engine derate and costly downtime. This comprehensive guide will walk you through the manual regen process for a Terex concrete mixer truck, complete with step-by-step instructions, safety tips, troubleshooting advice, and multimedia resources to ensure you can confidently perform this essential task.
A Diesel Particulate Filter (DPF) is an emissions control device that captures and stores soot (particulate matter) from the engine exhaust. Over time, this soot accumulates and must be burned off through a process called regeneration to prevent filter blockage and maintain engine performance[7].
- Passive Regeneration: Occurs automatically during normal driving when exhaust temperatures are high enough to burn off soot.
- Active Regeneration: Initiated by the engine control system when passive regen is insufficient, often injecting extra fuel to raise exhaust temperatures.
- Manual (Parked/Forced) Regeneration: Required when the filter becomes excessively clogged, and the truck prompts the operator to perform a regen while stationary[7][6].
Manual regen is necessary when:
- The DPF warning light or "Regen Required" message appears on the dashboard.
- Engine performance is reduced, or the truck enters "limp mode."
- Automatic and active regens have not sufficiently cleaned the DPF[7][6].
Ignoring the need for manual regen can lead to severe engine derate, shutdown, or expensive repairs[6][7].
1. Ensure Safe Parking
- Park the truck in an open, well-ventilated area away from flammable materials (e.g., dry grass, leaves).
- Set the parking brake and ensure the truck is in neutral[4][6].
2. Warm Up the Engine
- Let the engine idle until the coolant temperature reaches at least 180°F–185°F (82°C–85°C)[3][8].
3. Check System Readiness
- Turn off the PTO (Power Take-Off), engine brake, and cruise control.
- Ensure no active fault codes are present that might prevent regen[8].
4. Locate the Regen Switch
- Find the manual regen button or switch, usually marked with a DPF or "Regen" symbol on the dashboard[4][6].
- Press and hold the regen switch for 5–10 seconds until the engine RPM increases and the regen indicator light activates[4][3][8].
- The process takes 30–45 minutes. Do not operate any controls or interrupt the regen[6][7][9].
- When the regen is complete, the engine RPM returns to normal idle, and the warning lights turn off.
- Allow the engine to idle for 10 minutes to cool down before shutting it off[8].
- Never perform regen near combustible materials—exhaust temperatures become extremely high[7][6].
- Do not leave the truck unattended during the process.
- Do not interrupt the regen unless absolutely necessary; interruption may require restarting the process or dealer intervention[6][7].
- Follow manufacturer guidelines for your specific Terex model[1].
Regen Will Not Start:
- Check for active engine fault codes.
- Ensure all preconditions are met (engine warm, brake set, neutral gear, PTO off)[8].
Regen Interrupted:
- Restart the process from the beginning.
- If repeated failures occur, seek professional service[6][9].
- Warning Lights Remain On After Regen:
- A persistent DPF or check engine light may indicate a deeper issue—contact your service provider[6][7].
- Daily Checks: Inspect the DPF, engine, and emission controls for leaks or damage[5].
- Scheduled Maintenance: Follow the Terex-recommended service intervals for filter cleaning and replacement[1][5].
- Proper Cleaning: Keep the mixer drum and chassis clean to prevent buildup of concrete and debris that could affect engine cooling[5].
- Monitor Fluid Levels: Maintain proper engine oil and coolant levels to support optimal DPF operation[5].
Performing a manual regeneration on your Terex concrete mixer truck is a straightforward but essential maintenance task that ensures your DPF remains clean, your engine runs efficiently, and your truck avoids costly downtime. By following the steps outlined above, adhering to safety guidelines, and maintaining a regular inspection routine, you can maximize the lifespan and reliability of your mixer truck. Always consult your Terex operator manual for model-specific instructions and seek professional service if you encounter persistent issues.
Manual regen should only be performed when prompted by the truck's DPF warning light or message. Under normal conditions, passive and active regens handle most soot accumulation. Frequent manual regens may indicate underlying engine or filter issues that require inspection[7][6].
Ignoring the regen warning can lead to engine derate, reduced performance, and eventually complete engine shutdown. This can result in expensive repairs and extended downtime[6][7].
No. Manual regen requires the truck to be parked with the brake set and transmission in neutral. The engine will idle at a higher RPM, and the process should not be interrupted or the truck moved until regen is complete[6][7][9].
Common reasons include:
- Engine not at required temperature.
- Parking brake not set.
- PTO or engine brake engaged.
- Active fault codes present.
- Not enough fuel in the tank.
Check these conditions and consult your operator manual for troubleshooting[8].
A manual regen typically takes 30–45 minutes. It should not be stopped unless absolutely necessary, as interruption can prevent proper cleaning and may require restarting the process or dealer intervention[6][7].
[1] https://cdn.mpparts.com/pdfs/Terex%20Front%20Discharge%20Operator%20Manual.pdf
[2] https://rands.com/dpf-regen-process
[3] https://www.youtube.com/watch?v=pOJfpMsnJe4
[4] https://www.youtube.com/watch?v=BnUXJuHbypc
[5] https://batchcrete.net.au/common-issues-and-maintenance-tips-for-concrete-mixers/
[6] https://www.youtube.com/watch?v=8NxT2Tl71ME
[7] https://www.constructionequipment.com/be-aware-manual-regens
[8] https://otrperformance.com/blogs/quick-tips/paccar-mx-10-minute-parked-regen
[9] https://www.youtube.com/watch?v=yeW9l_pLFuE
[10] https://www.youtube.com/watch?v=pOJfpMsnJe4
[11] https://www.clw-specialtruck.com/info/instructions-for-use-and-maintenance-of-mixer-40318588.html
[12] https://www.terex.com/docs/librariesprovider20/parts-manuals/2018-charger-series-parts-manual-pn_37115_chpb_rev_1.pdf
[13] https://sd95d2cbd361a0b8d.jimcontent.com/download/version/1611065051/module/15089358522/name/TEREX%20Mixer%20Truck%20Manual.pdf
[14] https://www.manualslib.com/manual/2041310/Terex-T300-1.html?page=170
[15] https://www.terex.com/docs/librariesprovider20/parts-manuals/2010-front-discharge-mixer-truck-parts-manual-pn_30947_fdpb_rev_5.pdf
[16] https://www.youtube.com/watch?v=yeW9l_pLFuE
[17] https://www.terex.com/advance/en/support/spare-parts
[18] https://mpparts.com/part/terex-concrete-mixer-truck-service-manual-100misc
[19] https://www.youtube.com/watch?v=gJm1MCnernM
[20] https://www.pinterest.com/pin/592012313493752397/
[21] https://www.youtube.com/channel/UC17-Jd5qeT3xQWOvjOLlNKw
[22] https://www.youtube.com/watch?v=8zktU7spz9A
[23] https://www.pinterest.com/pin/advance-terex-mixer-truck-heavy-duty-vehicle--231091024599603294/
[24] https://www.commercialtrucktrader.com/Mixer-Concrete/trucks-for-sale?category=Mixer+Truck+-+Concrete+Truck%7C2000633
[25] https://www.youtube.com/watch?v=CjoqBKMzEM0
[26] https://rebrickable.com/mocs/MOC-25740/MocLife/terex-cement-advance-mixer-truck/
[27] https://www.terex.com/docs/librariesprovider20/parts-manuals/2016-front-discharge-mixer-truck-parts-manual-pn_30947_fdpb_rev_6.pdf
[28] https://boards.straightdope.com/t/cement-truck-questions/256972
[29] https://roadwarrior-inc.com/regen-failure-in-trucks-common-causes-solutions/
[30] https://www.yumpu.com/en/document/view/52215037/terex-front-discharge-operator-manual-mixerandplantpartscom
[31] https://en.terex-club.com/manuals
[32] https://www.reddit.com/r/Truckers/comments/qkomzh/truck_wont_do_a_parked_regen/
[33] https://www.terex.com/docs/librariesprovider20/parts-manuals/2019-commander-series-parts-manual-pn_37355_fdpb_rev_1.pdf
[34] https://cdn.mpparts.com/pdfs/Terex%20Front%20Discharge%20Operator%20Manual.pdf
[35] https://www.youtube.com/watch?v=oRyNPUaP4P0
[36] https://www.youtube.com/watch?v=t7Npp0N9NI4
[37] https://manuals.genielift.com/operators/english/57.0009.0607_21.pdf
