Kell-Strom PWC34910-200 Borescope Guide Tube
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The Kell-Strom PWC34910-200 Borescope Guide Tube is designed to assist with borescope inspections on select Pratt & Whitney PT6-series aircraft engines. Compatible models include the PT6A-10, PT6A-11, PT6A-11AG, PT6A-15AG, PT6A-20, PT6A-21, PT6A-28, PT6A-34, PT6A-36, PT6A-112, PT6A-114, PT6A-121, PT6A-135A, PT6B-36, PT6T-3, and PT6T-6, helping technicians safely guide borescope equipment during engine inspection and maintenance procedures.
| General Information | |
|---|---|
| Part # | PWC34910-200 |
| Manufacturer | Kell-Strom |
| Shipping Information | |
|---|---|
| Product Weight | 0.3 lbs. |
| Product Dimensions | 14.8 x 4.2 x 4.2 in. |
| Schedule B | 8205599000 |
| ECCN | EAR99 |
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AIRCRAFT COMPATIBILITY
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PRODUCT REVIEWS
QUESTIONS & ANSWERS
The Kell-Strom PWC34910-200 borescope guide tube is designed to assist technicians during internal inspections of Pratt & Whitney PT6-series engines. It provides a controlled pathway that guides the borescope probe into hard-to-reach engine areas. This helps improve inspection accuracy while reducing the risk of damaging sensitive components.
The PWC34910-200 borescope guide tube is compatible with a wide range of Pratt & Whitney PT6A engines, including models from PT6A-10 through PT6A-36 and PT6A-110 through PT6A-135A. It is also suitable for select PT6B and PT6T engine variants. This broad compatibility makes it a common choice for operators maintaining multiple PT6-powered aircraft.
A borescope guide tube improves inspections by stabilizing and directing the borescope probe through complex internal pathways. This allows technicians to access tight or curved sections of the engine that would otherwise be difficult to inspect. As a result, maintenance teams can detect wear, cracks, or damage more efficiently without disassembly.
The Kell-Strom PWC34910-200 is typically constructed from durable, high-quality metal such as stainless steel. This ensures the guide tube can withstand repeated use in demanding maintenance environments. Its rigid structure also helps maintain proper alignment of the borescope during inspections.
PT6 engines have complex internal geometries that can make direct borescope insertion difficult. A borescope guide tube helps navigate these pathways safely, reducing the risk of probe damage and improving inspection consistency. This is especially important when evaluating critical hot-section components during routine maintenance.
Yes, the PWC34910-200 borescope guide tube is compatible with most standard aviation borescopes and videoscopes. Its internal diameter and shape allow flexible probes to pass through and maneuver effectively. This compatibility makes it a versatile accessory for a wide range of inspection systems.
The curved or shaped design of the guide tube allows the borescope probe to follow a controlled path through the engine. This enables technicians to perform “corkscrew” maneuvers to reach difficult inspection points. It significantly improves visibility in areas that would otherwise be inaccessible.
Using a guide tube helps prevent unnecessary wear or damage to both the borescope and engine components. It also improves inspection repeatability by providing a consistent entry path. This leads to more reliable inspection results and reduced maintenance time.
No, the PWC34910-200 is not limited to a single engine model but is tailored to a range of PT6-series engines. However, it is not a universal solution, as different PT6 variants may require different guide tube part numbers. Always verify compatibility with the engine maintenance manual before use.
Borescope guide tubes should be inspected regularly for signs of wear, deformation, or contamination. Keeping the tube clean and free of debris helps maintain smooth probe insertion and accurate inspections. Proper handling and storage will also extend the lifespan of the guide tube and protect sensitive inspection equipment.
