Details
R-4250 Robertshaw coolant door actuator for the P-51 Mustang. Overhauled with 8130 paperwork and ready to install, finished in North American Aviation colors and markings.
Part Number: R-4250
Part Type: Coolant Door Actuator
Manufacturer: Robertshaw
Aircraft: P-51A, P-51B, P-51C, P-51D
Condition: Overhauled (OH)
Overhaul Process: Completely disassembled, cleaned, and degreased | Parts inspected for serviceability and replaced as necessary | Kit parts replaced on every unit: motor brake cork disc, oil seals, grease retainer, gaskets | Electrical switches, contacts, and solder joints inspected and reworked as needed | Brake disc gap, thermostat switch gap, interrupter switch gap, follow-up screw height, armature shaft end play, and limit switch activation adjusted to service manual specs | Finishes evaluated and repainted or replated as needed; missing decals replaced
Includes: Yellow-tagged X-364 Diastat, cleaned, tested, and refilled with correct fluid; stroke length and travel time measured on test bench; hot oil bath calibration performed with the matched actuator/diastat pair; finished units tested on a recurring schedule
Photos are for reference only.
Warranty Information
