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SAFIR 5L
OPERATION AND ATTENDANCE MANUAL
PG 01-31
LIST OF CONTENTS
LIST OF CHANGES AND CORRECTIONS .................................................................................................................... 3
LIST OF CONTENTS ........................................................................................................................................................ 4
LIST OF ILLUSTRATIONS .............................................................................................................................................. 5
INTRODUCTION .............................................................................................................................................................. 6
1.
BASIC TECHNICAL DATA .................................................................................................................................... 7
Auxiliary Power Unit ......................................................................................................................................... 7
Fuel System ....................................................................................................................................................... 8
Oil System ......................................................................................................................................................... 9
Air System ....................................................................................................................................................... 10
Control and Regulation System ....................................................................................................................... 11
Actuating System ............................................................................................................................................. 12
2.
OPERATION INSTRUCTIONS ............................................................................................................................. 21
Pre-Start Preparation ........................................................................................................................................ 21
APU Actuation ................................................................................................................................................. 21
Engine Actuation ............................................................................................................................................. 21
APU Cold Turn ................................................................................................................................................ 21
APU Switch off ................................................................................................................................................ 21
Monitoring and Signaling Equipment .............................................................................................................. 21
3.
OPERATIVE LIMITS ............................................................................................................................................. 22
Actuation Repeatability ................................................................................................................................... 22
Low Temperature Operation ............................................................................................................................ 22
Power Supplies ................................................................................................................................................ 22
Compressor Protection ..................................................................................................................................... 22
Control System Protection ............................................................................................................................... 22
Air Intake Limits (in 100 % Mode) ................................................................................................................ 22
Permissible Overload with APU Switched off ............................................................................................... 23
Fluids in Use .................................................................................................................................................... 23
APU Actuation in flight ................................................................................................................................... 24
Other Limits ..................................................................................................................................................... 24
4.
SERVICE INSTRUCTIONS ................................................................................................................................... 25
General Survey ................................................................................................................................................ 25
Assembly and Operation Instructions .............................................................................................................. 25
Instructions for Replacement of APU In-Operation ........................................................................................ 27
Activation ........................................................................................................................................................ 27
Definitions of Periodic Work ........................................................................................................................... 28
Time-limits of Activity – Technical Resource ................................................................................................. 30
Scope of Periodic Work ................................................................................................................................... 30
Checking Techniques ....................................................................................................................................... 33
5.
DEWAXING AND PRESERVATION IN OPERATION .................................................................................... 51
Dewaxing – on Delivery from the Manufacturer (replacement parts, after repair, etc.) .................................. 51
Dewaxing after 3 Months Preservation, Performed In-Operation. .................................................................. 51
First Actuation of APU .................................................................................................................................... 51
Preservation Valid for 30 Days ........................................................................................................................ 51
Internal Preservation Valid for 3 Months
+18
-9
Days ........................................................................................ 51
Preservation Valid for 1 Year .......................................................................................................................... 52
Preservation and Packing for Shipping Devices to the Manufacturer ............................................................. 52
6.
DEFECTS AND TROUBLESHOOTING .............................................................................................................. 53
General Survey ................................................................................................................................................ 53
Explanatory Notes to the Schematic Diagrams ................................................................................................ 54
List of Algorithms for APU Function Monitoring and Troubleshooting ......................................................... 55