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Voltage Regulator

Voltage Regulator

Models: D18S and D18C, No. 9         Issued: September 9, 1946 Reprinted:  September 25, 1950 Revised:  June 1, 1953 REVERSE CURRENT RELAYS AND VOLTAGE REGULATORS In order to give better efficiency in the maintenance of the reverse current relays and voltage regulators, located in the control panel box, this service letter lists below several […]

Trailer Parts

Southwestern Aero Exchange, Inc. Aircraft Hauling Trailer information and additional equipment (provided): The Aircraft Hauling Trailer was shop built: s/n 923047207 A Oklahoma Tag: 279-8BE Length: 39’3″ Beech 18 ~ Trailer Mounting Equipment: 2 ea -Wing Racks 1 ea – 12 ft. “A” frame (for tail) 1 ea – Mounting fixture 2 sets – 1″ […]

Slushing Fuel Tanks

Slushing Fuel Tanks

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 […]

Rudder Tab Wrench

This simple wrench has proven very useful for working in the confinements of the horizontal stabilizer through a small inspection door. Its specific use is for tightening the hex nut that connects the flexible drive shaft to 90 deg drive of the rudder tab mechanism on Model AT-7, AT-11, C-45, SWB, JRB, and Beech Model […]

Reclining Chairs

Reclining Chairs

Models D18S and D18C    |  No. 8  |  Revised:  July 15, 1954 MODIFICATION OF THE BEECH RECLINING CHAIR FOR REVERSE SEATING If reverse seating is desired, it may be accomplished by making the following changes in the mechanism of Beech-manufactured chair shown in Figure 1 and Figure 2 included with this service letter. Catch assemblies […]

Propeller Oil Drain

Propeller Oil Drain

D18S No. 3  |  Kit:  502  |  Revised:  April 15, 1953 ADDITION OF RESERVOIR DRAIN FOR HYDROMATIC PROPELLERS In order to improve the efficiency in servicing the airplane, we have made necessary changes in the propeller feathering pump supply line to facilitate faster draining of the oil tanks. This change is only desirable on airplanes […]

Ozite Rug Pad

Ozite Rug Pad

Model:  D18S, No. 2  |  Kit 501  |  Issued:  August 6, 1946  |  Reprinted:  July 1, 1949 Revised:  October 1, 1954 If desired, an OZITE rug pad is now available for your airplane and may be installed under your present rug. It is not necessary to remove the chair fittings from the floor board. Equipment […]

Oil Tank

Oil Tank

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 […]

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