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897830-1 – Bombardier OEM Honeywell Fuel Filter Element
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The 897830-1 is a high-precision, flight-critical fuel filter element manufactured by Honeywell Aerospace as an Original Equipment Manufacturer (OEM) component for Bombardier aircraft. This filter is the primary line of defense for the aircraft’s high-pressure fuel system, specifically engineered to intercept microscopic particulate matter, ice crystals, and organic contaminants (such as fungal growth) that can accumulate in jet fuel tanks. By ensuring a continuous flow of ultra-clean fuel to the engine’s High-Pressure Fuel Pump (HPFP) and Fuel Metering Unit (FMU), the 897830-1 prevents the internal erosion and "clogged-orifice" scenarios that lead to thrust instability or uncommanded engine flameouts.
Constructed with a pleated, high-density synthetic fiber or metallic mesh media (configuration dependent), the 897830-1 provides a massive effective surface area within a compact cylindrical envelope. This design allows for a high dirt-holding capacity with a negligible pressure drop across the element. As a mandatory maintenance item, this Honeywell filter is essential for protecting the expensive "hot-section" components of the engine from the abrasive effects of contaminated fuel.
Key Features
High-Efficiency Particulate Capture: Calibrated to a specific micron rating (typically sub-10 micron) to protect the tight tolerances of modern FADEC-controlled fuel injectors.
Pleated Media Architecture: Maximizes the filtration surface area, ensuring that the engine receives full fuel flow even as the filter nears its service-life limit.
Chemical & Thermal Resilience: The filter media and end-caps are engineered to resist degradation from Jet-A, Jet-A1, and common anti-icing additives (DiEGME/PRIST) across a wide temperature range.
Integrated Bypass Compatibility: Designed to interface perfectly with the aircraft's fuel filter housing bypass valve, ensuring engine fuel supply is maintained even if the filter becomes completely restricted.
OEM Precision Fit: Manufactured to Honeywell’s rigorous aerospace standards, ensuring a leak-proof seal at the internal O-ring interface, preventing "unfiltered" fuel bypass.
Technical Specifications
Part Number: 897830-1
Manufacturer: Honeywell Aerospace (for Bombardier)
Component Type: Engine/Airframe Fuel Filter Element
Filter Media: Synthetic fiber or stainless steel micro-mesh
Micron Rating: High-efficiency (Refer to Honeywell CMM for absolute rating)
Fluid Compatibility: Jet-A, Jet-A1, JP-5, JP-8
Certification: FAA-PMA / EASA Form 1 (with OEM Traceability)
Standard: Bombardier BAMS specification compliant
Aircraft Compatibility
Bombardier Challenger Series: 600, 601, 604, 605.
Bombardier CRJ Series: 100, 200, 440 (Equipped with GE CF34 engines).
Note: Fuel filters are life-limited or condition-based maintenance items. Always cross-reference the 897830-1 part number against your aircraft’s Illustrated Parts Catalog (IPC) to verify the correct dash-number for your engine serial number.
Applications
The 897830-1 is utilized for Fuel System Contamination Control. Its primary roles include:
Engine Protection: Filtering fuel immediately upstream of the engine's high-pressure pump and fuel-oil heat exchanger.
Ice Crystal Management: Capturing microscopic ice particles that form in fuel at high altitudes before they can reach the fuel nozzles.
Maintenance Compliance: Serving as the primary indicator for fuel system health during scheduled "C-Check" or hourly inspections.
Why Choose 897830-1?
Choosing the genuine Honeywell 897830-1 ensures that the filter's collapse pressure and beta ratio (filtration efficiency) meet the exact requirements of the engine manufacturer. Non-OEM "will-fit" filters often use inferior paper media that can "shed" fibers into the fuel stream or collapse under the high-pressure surges of a cold-fuel start. The 897830-1 is tested to survive the high-vibration environment of a turbine engine mounting, ensuring that the filter media does not "channel" or bypass contaminants over time.
The 897830-1 functions as a Depth-Filtration Barrier where the physics of contaminant capture are governed by inertial impaction and diffusion. As fuel flows through the pleated media, particles are trapped within the complex matrix of fibers. The pressure differential ($\Delta P$) across the element is monitored by the aircraft's "Fuel Filter Bypass" pressure switch; as the 897830-1 captures debris, the $\Delta P$ increases. Honeywell's design ensures a low clean-element pressure drop, maximizing the available "boost pressure" to the engine. The filter end-caps are typically bonded with a fuel-resistant epoxy that ensures zero bypass leakage, maintaining the integrity of the downstream fuel path even under high-vibration "hammer" events.
Note: This is a flight-critical engine component. Installation must be performed by a certified A&P/AME. Before installing the 897830-1, inspect the filter housing for "metal-patch" evidence of pump wear. Always replace the housing O-rings with new, lubricated parts to prevent fuel leaks. Post-installation, the fuel system must be "purged" and a "leak-check" performed under engine-running conditions as per the Aircraft Maintenance Manual (AMM).
