0 Hamilton Sundstrand 

A United Technologies Company 

MAINTENANCE MANUAL 

568F-1 

INFORMATION SUBJECT TO EXPORT CONTROL LAWS 

Subject to the EAR, ECCN 9E991. 

P5206 

This information is subject to the export control laws ofthe United States, specifically including the Export Administration Regulations (EAR), 

15 C.F.R. Part 730 et. seq. Transfer, retransfer, or disclosure of this data by any means to a non-U.S. person (individual or company), 

whether in the United States or abroad, without any required export license or other approval from the U.S Government is prohibited, 

including without limitation any diversion to a military end user or use in a military end use application. 

VARIABLE PITCH AIRCRAFT 

PROPELLER 

568F-1 PROPELLER MODEL 

PART NUMBERS: 

815500-2 

815500-3 

© 1995, 1996, 1998, 2000, 2004,2006, 2013 Hamilton Sundstrand Corporation 

PROPRIETARY 

THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN ARE THE PROPERTY OF HAMIL TON SUNDSTRAND 

CORPORATION (HSC). RECIPIENT AGREES TO HOLD ALL SUCH INFORMATION IN CONFIDENCE AND AGREES IT SHALL BE 

USED ONLY FOR RECIPIENT'S INTERNAL PURPOSES TO MAINTAIN RECIPIENT'S EQUIPMENT OR AS MAY OTHERWISE BE 

PERMITTED IN AN APPLICABLE AGREEMENT BETWEEN RECIPIENT AND HSC. THIS DOCUMENT AND THE INFORMATION 

CONTAINED HEREIN SHALL NOT BE USED FOR ANY OTHER PURPOSE, INCLUDING THE CREATION, MANUFACTURE, 

DEVELOPMENT, OR DERIVATION OF ANY REPAIRS, MODIFICATIONS, SPARE PARTS, DESIGN, OR CONFIGURATION CHANGES, 

OR TO OBTAIN FAA OR ANY OTHER GOVERNMENT OR REGULATORY APPROVAL FOR SAME. RECIPIENT AGREES NOT TO 

DISCLOSE SUCH INFORMATION TO ANY THIRD PARTY, EXCEPT AS MAY OTHERWISE BE PROVIDED FOR IN AN APPLICABLE 

AGREEMENT BETWEEN RECIPIENT AND HSC. COPYING OR DISCLOSURE OF THIS DOCUMENT AND THE INFORMATION 

CONTAINED HEREIN BY ANYONE WITHOUT HSC'S PRIOR WRITTEN PERMISSION IS NOT AUTHORIZED AND MAY RESULT IN 

CRIMINAL AND/OR CIVIL LIABILITY. 

The data in this document were developed only to maintain systems and/or parts manufactured by or for Hamilton Sundstrand or approved by Hamilton Sundstrand. The data may not be applicable to any other systems and/or parts, regardless of their apparent similarity to 

systems and/or parts manufactured by or for Hamilton Sundstrand or approved by Hamilton Sundstrand. Do not rely in any way on data in 

this document to maintain or otherwise support systems and/or parts that were not manufactured by or for Hamilton Sundstrand or approved 

by Hamilton Sundstrand without evidence that the Federal Aviation Administration or other regulatory agency has determined that the data 

in this document is valid for such use. 

PROPELLER SYSTEM MAINTENANCE MANUAL 

WITH 

ILLUSTRATED PARTS LIST 

AIRWORTHINESS LIMITATIONS SECTION- FAA APPROVED 

REMAINDER OF MANUAL- FAA ACCEPTED 

Basic Issue: 

CAGE Code: 73030 61 Revision 9 

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A United Technologies Company 

MAINTENANCE MANUAL 

568F-1 

AIRWORTHINESS LIMITATIONS 

1. General 

A. The airworthiness limitations section is FAA approved and specifies maintenance 

required to be followed when complying with §§ 43.16 and 91.403 of the Federal 

Aviation Regulations unless an alternative program has been FAA approved. 

2. Life-Limited Components 

A. The components listed in Table AL-1 are life limited. Upon reaching the number of flight 

hours listed in the table, the components must be removed from service. The flight hours 

listed represent total time and cannot be extended through the use of any inspections 

defined in this manual or the component maintenance manual. 

NOTE: The propeller model number and component part number are located on the 

butt face of the blade. The propeller model number and component part 

number are located between the hub arms of blades 1 and 6, and blades 1 and 

2, respectively. 

Table AL-1. Life-Limited Propeller Components 

ITEM PART NO. LIFE LIMIT AIRCRAFT (TOTAL FLIGHT HOURS) 

N/A N/A N/A N/A 

B. It is the responsibility of the operator to monitor total flight hours for each serialnumbered component listed in Table AL-1 and to make sure that no component remains 

in service beyond its inspection interval. 

3. Mandatory Inspection 

A. There are no mandatory inspections. 

4. Special Instructions 

A. If there is evidence of overspeed, foreign object damage, lightning strike, or overtorque, 

do the respective inspection procedures written in Paragraphs 6, 7, 8, and 9 of the 

CHECK section of Chapter 61-10-00. 

(1) Complete the appropriate Propeller Overspeed Report Form (Figure 503), Propeller 

Impact Damage Form (Figure 504), or Propeller Overtorque Form (Figure 505), and 

then send a copy of the form to the Hamilton Sundstrand address listed on the form. 

(2) If necessary, make sure that a report of the incident is sent to the FAA in accordance 

with FAR 21.3 requirements. 

5. Components - Major Inspection Intervals 

A. Refer to the CHECK section of Component Maintenance Manual, 61-13-12, for 

instructions on how to do a Major Inspection (MI). 

B. The major inspection intervals are listed in Table AL-2. It is the responsibility of the 

operator to monitor flight hours for each component listed in Table AL-2 and to make 

sure no component remains in service beyond its listed inspection interval time. 

Use or disclosure of this data is subject to restrictions on the Titie Page of this document 

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MAINTENANCE MANUAL 

568F-1 

C. In addition to the published operating time limits for blades and hubs, the requirement for 

repetitive Ml of these components will be no later than seven (7) years (or 84 months) 

since the Date Since Installation (DSI). The DSI will begin upon the initial installation 

after the most recent Ml or initial installation after production. 

D. Propeller blades and hubs must now be subjected to Ml based on published operating 

time limits for the component or 7 years from the DSI, whichever comes first. 

Table AL-2. Major Inspection Intervals 

INSPECTION 

ITEM PART NUMBER INTERVAL 

(FLIGHT HOURS) 

Hub 815470-1, -2 10,500 

Blade R815505-2 8,100 

R815505-3 

R815505-6 

R815505R2 

R815505R3 

R815505S3 

R815505R2W 

R815505R3W 

R815505S3W 

Actuator Assembly 815585-2, -3, -4 8,100 

Actuator Assembly 815585-5, -6, -7 10,500 

Transfer Tube 815587-1 12,100 

Assembly 

Adjusting Nut 815540-1, 814754-1 10,500 

Use or disclosure of this data is subject to restrictions on the Titie Page of this document 

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INSPECTION 

INTERVAL 

(CALENDAR TIME) 

7 Years 

7 Years 

Not Applicable 

Not Applicable 

Not Applicable 

Not Applicable 

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