Tajima Caulk Gun - 310ml
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eBayTajima Convoy JUST Twin Thrust Caulk Gun 310ml - CNV-JUST/Y1
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Product Information
Full details
The Tajima Convoy Caulk Gun is designed for professionals and DIYers who require consistent, powerful dispensing of sealants and adhesives from 310ml cartridges. Its key benefit is the twin-thrust system and hardened steel components that ensure reliable, non-slip operation, even with tougher materials. A potential caveat is its specific 310ml cartridge size, limiting its use with other sizes without adapters. This tool offers a 360-degree rotating handle for maneuverability, Auto Flow Stop for drip prevention, and durable, all-metal internal mechanisms for longevity.
All features
| Model Part Number | PTDTOTDIRTACNVJUST |
|---|---|
| Brand | Tajima |
Extended Product Information
FAQs
What size cartridges does this caulk gun fit?
This Tajima Convoy caulk gun is specifically designed to fit standard 310ml (10.3 oz) cartridges.
How does the Auto Flow Stop work?
The Auto Flow Stop mechanism automatically retracts the thrust rod slightly when you release the trigger, relieving pressure and preventing the sealant from continuing to flow and drip.
Can I use this gun for thick adhesives like construction adhesive?
Yes, the hardened steel shaft and twin-thrust dispensing system are designed for powerful, non-slip operation, making it suitable for thicker materials.
How do I unblock the nozzle of a caulk tube with this gun?
The gun features an extra-long integrated pin specifically for unblocking the nozzle seal of caulk cartridges.
Is the handle removable?
The handle is designed to rotate 360 degrees for maneuverability but is not intended to be removed.
What maintenance is required for the caulk gun?
Regular cleaning of the exterior with a damp cloth and ensuring the mechanism is free of debris will keep it in good working order. Avoid harsh solvents.
Can I use this for large, bulky cartridges?
This model is optimized for standard 310ml cartridges. Larger or non-standard sizes may not fit or function correctly without an appropriate adapter, which is not included.
Troubleshooting
Caulk is not dispensing
Ensure the cartridge is fully inserted and the nozzle is unblocked. Check if the thrust rod is fully retracted before squeezing the trigger.
Dripping after releasing trigger
Confirm the Auto Flow Stop mechanism is engaging correctly. Ensure no debris is preventing it from retracting fully. If persistent, check the internal mechanism for damage or wear.
Trigger is stiff or hard to pull
Check for hardened sealant or debris inside the mechanism. Clean the moving parts and lubricate lightly if necessary. Ensure the cartridge is seated correctly and not binding the rod.
Uneven bead application
Ensure consistent trigger pressure and smooth movement. Check if the cartridge is empty or if the material inside has solidified. Clean the nozzle for obstructions.
Pros and Cons
Pros
- Powerful and consistent sealant dispensing.
- Excellent maneuverability with a rotating handle.
- Effective drip prevention reduces mess and waste.
- Durable construction with hardened steel and full metal parts.
- Integrated tool for nozzle maintenance.
Cons
- Primarily designed for 310ml cartridges; may require adapters for other sizes.
- Can be heavier than some plastic models due to metal components.
- Specific mechanism may require a brief learning curve for optimal use.
Setup, Compatibility & Care
Setup:
- Insert a standard 310ml caulk cartridge into the gun's barrel.
- Ensure the cartridge nozzle is properly positioned for application.
- If needed, use the integrated pin to puncture or unblock the cartridge seal.
Compatibility:
- This gun is specifically designed for 310ml (10.3 oz) standard caulk cartridges.
- It is compatible with most common sealant, adhesive, and silicone formulations.
Care:
- After each use, release any remaining pressure by pushing the trigger further forward until it clicks, or by pulling back the main thrust rod.
- Wipe down the exterior of the gun with a clean, damp cloth to remove any excess sealant.
- For stubborn residue, use a mild solvent, but avoid harsh chemicals that could damage the plastic or metal components.
- Store in a dry place away from extreme temperatures.