BLADE TRACK.
Blade track is the ability of one blade tip to follow the other, while rotating, in almost the same plane.
Excessive difference in blade track - more than .0625 inch - may be an indication of bent blades or improper
propeller installation. Check blade track as follows:
1. With the engine shut down and blades vertical, secure to the aircraft a smooth board just under the tip
of the lower blade. Move the tip fore and aft through its full “blade-shake” travel, making small marks
with a pencil at each position. Then center the tip between these marks and scribe a line on the board
for the full width of the tip.
2. Carefully rotate propeller by hand to bring the opposite blade down. Center the tip and scribe a pencil
line as before and check that lines are not separated more than .0625 inch.
3. Propellers having excess blade track should be removed and inspected for bent blades. Constant speed
propellers should be checked for parts of sheared “O” ring, or foreign particles, which have lodged
between hub and crankshaft mounting faces. Bent blades will require repair and overhaul of assembly.
CONTROLLING.
PROPELLER GOVERNOR.
REMOVAL OF PROPELLER GOVERNOR.
1. Remove the upper engine cowl.
2. Disconnect the
A.
Control cable end from the governor control arm. (S/n’s 44-7995001 thru 44-8195026 and 44-
8107001 and up.)
B.
Control rod rod end bearing from the governor control arm. (S/n’s 4495001 and up)
— NOTE —
Have a means available to catch oil that will drip from governor
when the oil line is disconnected.
3. Disconnect the governor oil line from the governor. (S/n’s 4495001 and up)
4. Remove the governor mounting stud nuts. It will be necessary to raise the governor as the nuts are
being removed before the nuts can be completely removed.
5. Remove the mounting gasket. If another unit not substituted, and the governor is to be removed for a
considerable length of time cover, the mounting pad to prevent foreign matter.damage.
INSTALLATION OF PROPELLER GOVERNOR.
1. Clean the mounting pad thoroughly. Ensure that there are no foreign particles in the recess around the
drive shaft.
2. Place the governor mounting gasket in position with the raised portion of the screen facing away from
the engine.
3. Align the splines on the governor shaft with the engine drive and slide the governor into position.
4. With the governor in position, raise the governor enough to install washers and start mounting nuts.
Torque nuts 110 to 150 inch-pounds.
5. Connect the:
A.
control cable end to the governor control arm. The ball stud is installed in the inner hole of the
control arm. (S/n’s 44-7995001 thru 44-8195026 and 44-8107001 and up.)
B.
Control rod rod end bearing to the governor control arm. (S/n’s 4495001 and up)
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
61-21-00
Page 61-04
Revised: June 20, 1995
3D6
Summary of Contents for SEMINOLE PA-44-180
Page 38: ...CHAPTER DIMENSIONS AND AREAS 1B14...
Page 49: ...CHAPTER LIFTING AND SHORING 1C1...
Page 53: ...CHAPTER LEVELING AND WEIGHING 1C5...
Page 58: ...CHAPTER TOWING AND TAXIING 1C10...
Page 62: ...CHAPTER PARKING AND MOORING 1C14...
Page 65: ...CHAPTER REQUIRED PLACARDS 1C17...
Page 70: ...CHAPTER SERVICING 1C22...
Page 98: ...CHAPTER STANDARD PRACTICES AIRFRAME 1E2...
Page 108: ...CHAPTER ENVIRONMENTAL SYSTEM 1E12...
Page 189: ...CHAPTER AUTOFLIGHT 1H21...
Page 192: ...CHAPTER COMMUNICATIONS 1H24...
Page 202: ...CHAPTER ELECTRICAL POWER 1I10...
Page 228: ...CHAPTER EQUIPMENT FURNISHINGS 1J12...
Page 233: ...CHAPTER FIRE PROTECTION 1J17...
Page 238: ...CHAPTER FLIGHT CONTROLS 1J24...
Page 304: ...2A18 CHAPTER FUEL...
Page 325: ...2B17 CHAPTER HYDRAULIC POWER...
Page 357: ...2D1 CHAPTER ICE AND RAIN PROTECTION...
Page 414: ...CHAPTER LANDING GEAR 2F13...
Page 479: ...2I6 CHAPTER LIGHTS...
Page 488: ...2I16 CHAPTER NAVIGATION AND PITOT STATIC...
Page 503: ...2J7 CHAPTER OXYGEN...
Page 524: ...2K6 CHAPTER VACUUM...
Page 535: ...2K19 CHAPTER ELECTRICAL ELECTRONIC PANELS AND MULTIPURPOSE PARTS...
Page 546: ...INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 2L6 PIPER AIRCRAFT...
Page 547: ...2L7 CHAPTER STRUCTURES...
Page 582: ...CHAPTER DOORS 3A18...
Page 593: ...CHAPTER STABILIZERS 3B8...
Page 604: ...CHAPTER WINDOWS 3B22...
Page 611: ...CHAPTER WINGS 3C10...
Page 624: ...CHAPTER PROPELLER 3D1...
Page 643: ...CHAPTER POWER PLANT 3D21...
Page 667: ...CHAPTER ENGINE FUEL SYSTEM 3F1...
Page 681: ...CHAPTER IGNITION 3F16...
Page 712: ...CHAPTER ENGINE INDICATING 3H1...
Page 730: ...CHAPTER EXHAUST 3H19...
Page 734: ...CHAPTER OIL 3I1...
Page 743: ...CHAPTER STARTING 3I11...
Page 755: ...CHAPTER TURBINES 3J1...