Installation Instructions

BF Goodrich/Hayes Disc Brake Conversion Kit Installation Instructions (Doc 76600, 08/17/2017)

This PDF provides step-by-step guidance for converting Grove Aircraft wheels to the BF Goodrich/Hayes disc brake system. Inside you’ll find:

Complete Parts List: Detailed inventory of brake discs, torque plates, caliper assemblies, hardware, tubing, unions, and drill bit required for installation.
Disassembly & Prep: Instructions for removing existing wheels, drums, and brake frames; inspecting and prepping gear legs, axles, and wheel hubs for conversion.
Brake Disc Installation: Precision procedures for press-fitting, match-drilling, deburring, and riveting new brake discs to the wheel.
Aircraft Reassembly: Proper techniques for reinstalling wheels, adjusting axle nuts for correct bearing preload, and safety-wiring.
Caliper Mounting & Brake Line Fabrication: Guidance on mounting caliper assemblies, routing or fabricating brake lines using supplied unions or elbows, and ensuring line freedom for floating calipers.
Brake Bleeding & Conditioning: Bottom-up bleeding method using Mil-H-5606 fluid, troubleshooting “soft pedal” or excessive travel, and achieving a hard, responsive pedal.
Final Inspection & Paperwork: Torque values, safety-wire requirements, logbook entries and FAA Form 337 completion for return to service.
Brake Pad Break-In: Procedures to generate the required glazed layer on new organic brake pads for optimal stopping performance.

Perfect for technicians performing the disc brake upgrade, this document ensures a safe, compliant, and reliable installation every time.

stcinstructions-a.pdf

652.31 KB