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RESTRICTED        T.O No.02-35GC-1

TABLE OF CONTENTS

Section                                                        Page 
I  Introduction -----------------------------------------------   3

II General Operating Instructions ----------------------------- 3-8
1. General ----------------------------------------------------   3
2. Procedure Preliminary to Starting --------------------------   3
3. Starting ---------------------------------------------------   4
4. Warm-Up and Ground Test ------------------------------------ 4-5
a. General ----------------------------------------------------   4
b. Oil Pressure and Temperature Check -------------------------   4
c. Ignition System Check -------------------------------------- 4-5
d. Manifold Pressure Gage Drain -------------------------------   5
e. Clutch Mechanism for Two-Speed Superchargers ---------------   5
5. Take-Off ---------------------------------------------------   5
6. Flight ----------------------------------------------------- 5-6
7. Landing ----------------------------------------------------   7
8. Stopping ---------------------------------------------------   7
9. Mixture Control --------------------------------------------   7
10. Turbo-Supercharger ---------------------------------------- 7-8
11. Fuel and Oil ----------------------------------------------   8  
12. Detonation ------------------------------------------------   8
a. General ----------------------------------------------------   8  
b. Indications of Detonation ----------------------------------   8
c. Causes and Prevention --------------------------------------   8
d. Stopping Detonation Immediately if Present -----------------   8

III Specific Operating Instructions --------------------------- 9-11
R-1820-65, -73, and -97 ---------------------------------------    9
R-1820--71 ----------------------------------------------------   10
R-1820-87 -----------------------------------------------------   11

LIST OF ILLUSTRATIONS

Figure                                                          Page
1 Three-Quarter Right Rear View R-1820-65 ----------------------   2
2 Performance Curve R-1820-71 Engine ---------------------------  12
3 Performance Curve R-1820-87 Engine ---------------------------  13

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