FLEXIBLE RUDDER TAB SHAFT WRENCH | Volume 2 | October, 1948 Number 1 MODEL 18 SERVICE NOTES AND CHANGES Slushing Fuel Tanks To increase the life of the aluminum fuel tanks used in the Model 18, it is recommended that they be slushed, at the latest, after each 1000 hours of flying time with one […]
VOLUME 2 | NOVEMBER, 1948 | NUMBER 2 MODEL 18 SERVICE NOTES AND CHANGES | OIL TANK CAP MODIFICATION It has been found that the model 18 oil tank cap retaining chain causes corrosion where the chain contacts the bottom of the oil tank. To correct this condition, it is recommended that the retaining chains […]