MT-Propeller P-8S Series Operation And Installation Manual Download

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ATA 61-08-54

(E-3854)

(Avia Manual No. E-1625)

OPERATION- AND INSTALLATION MANUAL

HYDRAULIC OVERSPEED GOVERNOR

P-8S( )-( ) SERIES

EASA DE.21G.0008

EASA.21J.020

Original Issue: 2021-08-13

The technical content of this document is approved under authority of DOA No.
EASA.21J.020.

Summary of Contents for P-8S Series

Page 1: ...No E 1625 OPERATION AND INSTALLATION MANUAL HYDRAULIC OVERSPEED GOVERNOR P 8S SERIES EASA DE 21G 0008 EASA 21J 020 Original Issue 2021 08 13 The technical content of this document is approved under a...

Page 2: ...type It is essential that the governor be properly maintained according to the recommended service procedures and a close watch be exercised to detect impending problems before they become serious Unu...

Page 3: ...erview 2 List of Revisions 3 List of Effective Pages 4 1 General 5 2 Model Application 6 3 Performance Data 7 4 Design and Operation Information 8 5 Installation and Operation Instruction 10 6 Inspect...

Page 4: ...ATA 61 08 54 Page 3 Original Issue 2021 08 13 LIST OF REVISIONS Rev No Date of Issue Page Description Original Issue 2021 08 13 all Original Issue...

Page 5: ...LIST OF EFFECTIVE PAGES Page Date of Issue 1 2021 08 13 2 2021 08 13 3 2021 08 13 4 2021 08 13 5 2021 08 13 6 2021 08 13 7 2021 08 13 8 2021 08 13 9 2021 08 13 10 2021 08 13 11 2021 08 13 12 2021 08...

Page 6: ...rnors should be completely disassembled and inspected for cracks wear corrosion and other unusual or abnormal conditions As specified certain parts should be refinished and certain other parts should...

Page 7: ...2 8S Overspeed Governor 3 1 Solenoid valve for resetting AND 20010 drive pad modified TP 100 2 Solenoid valve for resetting AND 20010 drive pad 3 Solenoid valve for resetting and feathering AND 20010...

Page 8: ...o 150 C 302 F The break away torque with engine oil SAE No 40 at 4 5 C 40 F is 40 Nm 30 ft lbs The torque required at 220 psi and 2700 rpm is 0 1 Nm 0 8 inch lbs 3 1 DIMENSIONS Fig 1 Weight 1 15 kg 2...

Page 9: ...VDC solenoid A pushbutton located on the TEST panel at the bottom of the instrument panel in the cockpit activates the solenoid and opens the test valve allowing high pressure oil to reset the normal...

Page 10: ...ilot valve located in the drive gear shaft is in such position that the control ports between the oil pump and the propeller pitch changing servo are covered such a way that propeller blades stay in a...

Page 11: ...0 24 Nm 180 220 inlbs e Reconnect cable connector f Ground test check will verify proper RPM setting by pressing the test button Record RPM Tests should be done in smooth air g Also check for oil leak...

Page 12: ...after engine stop Check oil leakage at governor s surface and at mounting pad If oil leakage is detected check stop nuts at the governor housing and the mounting nuts Torque if necessary If oil leaka...

Page 13: ...e solenoid is not energized Check voltage on the connector after pressing the TEST button If no voltage appears check aircraft electric circuits b The solenoid burned Check solenoid resistance if it i...

Page 14: ...urer Outside conservation isn t required Pack the overspeed governor in two layers of wax cloth and put it in a plastic bag The plastic bag should be vacuumed and after that welded Make a note in the...

Page 15: ...ATA 61 08 54 Page 14 Original Issue 2021 08 13 9 OVERSPEED GOVERNOR INSTALLATION RECORD Date installed Notes Authorized Signature Date removed...

Page 16: ...opeller itself within 30 days after date from starting operation 2 No other warranties and or guarantees than defined in the actual warranty conditions are made 3 Overspeed Governor Type P A S N Date...