ROCKVANTA — SPROCKET AND SEGMENT RFQ CHECKLIST Identification - Machine make, model, serial/configuration reference and installed position: - Existing part number and mating track-chain reference: - Drawing number, revision, units and assembly view: - Controlled tooth profile, nominal chain pitch and tooth count: - Contact authorized to approve technical questions or drawing changes: Supply format and quantities - Complete sprocket / separate rim / bolt-on segments: - Each part or segment reference and quantity: - For segments: quantity of each reference for one complete sprocket: - Number of complete sprocket sets required: - Total piece quantity for each segment reference: - Number of machines and installed positions covered by the order: - Hardware included? Specify bolts, nuts, washers and their specifications: - Hub/carrier work and assembly included or excluded: Mounting and fit - Bore/register, locating surfaces and mounting datums: - Hole count, diameter, bolt circle and angular positions: - Threads, counterbores/countersinks and seating details where present: - Flange thickness, tooth centreline offset and overall width: - Segment joint arrangement and positions: - Dimensional tolerances, runout and measurement references: Sample and maintenance information - Sample condition: new / worn / repaired / modified: - Tooth, mounting-face, side and identification-mark photographs: - Available chain/bushing and sprocket wear measurements, date and method: - Service history and known changes to the installed undercarriage: - Uncertain dimensions requiring review; do not copy worn geometry as nominal: - Person responsible for approving reconstructed geometry, if needed: Material, treatment and acceptance - Material designation/specification and required supplied condition: - Heat-treatment requirement, if specified: - Hardness range, scale, locations and inspection stage: - Hardened depth definition and core requirement, where specified: - Inspection methods, acceptance limits and sampling plan: - Traceability and required dimensional/material/test records: - Independent inspection scope, timing and buyer-paid fees, if required: Delivery - Loose parts / matched sets / assembled units and identification: - Packing, corrosion protection, destination and requested delivery timing: - Open technical questions and quotation exclusions: This is a purchasing checklist, not an installation or track-release procedure. Machine-specific isolation, support, removal, fastener and adjustment instructions must be followed by qualified maintenance personnel. Fit and supply scope require review against the applicable drawing and actual installed assembly.