Description
287185-G – DD-3 BRAKE ACTUATOR LONG ROD (LH)
PART NUMBER(S):
Fleet Products: 287185-G (New) | OE: 287185, BX287185X, K287185
DESCRIPTION:
Model: DD-3 Safety Actuator – Type 30, Long Rod (LH)
Vehicles: MCI – Motor Coach Industrial Bus
• Double diaphragm actuator with mechanical locking system
• Long push rod, left-hand configuration, vertical mounting
• Type 30 size with auxiliary and service diaphragms
Applications: Used on MCI motor coaches and similar heavy-duty transit applications where a mechanical parking brake hold is required. Designed for safety-critical use with fail-safe air loss protection.
CROSS-REFERENCE(S):
PB-287185-R, K287185, 287185N, NEW DD3, LONG ROD, L.HA cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Actuator must be installed with drain slot and exhaust check valve facing downward
✔ Apply BW 204-M barium lubricant inside shaft cavity during rebuild or assembly
✔ Ensure push rod forms 90°+ angle with slack adjuster arm in applied position
✔ Clamping ring bolts must be tightened evenly and securely to prevent diaphragm leaks
✔ Push rod travel should be minimal without brake drag for optimal diaphragm life
✔ Use only genuine Bendix components during service or rebuild procedures
✔ Monthly inspections recommended for alignment, travel, and system leakage
✔ Designed to meet FMVSS safety standards for mechanical brake hold
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Warranty Information
