SusiAir PILATUS PORTER PC6, Maintenance Program

Page: 120 / 248

Form. ASI-PC6-Engine Removal
Reissued: 2
Revision: 1
Date: July 2020 Page 4 of 25
NO. DESCRIPTION TASK NO. MECH. ENG. RII
4. Control Levers (Ref. Fig. 405)
(1) Idle Control Lever
(a) Remove and discard the cotter pin (1).
(b) Remove the nut (2), washer (3), spacers (4) and (7) and bolt (6).
(c) Move the rod (5) clear of the lever (9).
(d) Remove and discard the cotter pin (8).
(e) Remove the nut (11), washer (10) and the idle control lever (9).
N/A
(2) Power Control Input Lever
(a) Remove and discard the cotter pin (21).
(b) Remove the nut (20), washer (19) and bolt (17).
(c) Remove the lever (18).
N/A
5. Engine Driven Fuel Pump (Ref. Fig. 410)
a. Remove the nuts (6) and the washers (5).
b. Remove the pump (7).
c. Remove and discard the gasket (8).
d. Install a blank to the opening.
N/A
6. Gas Generator and Propeller Tachometer Generators (Ref. Fig. 410)
a. Remove the nuts (4) and washers (3).
b. Remove the tachometer generator (1).
c. Remove and discard the gasket (2).
d. Install a blank to the opening.
N/A
7. Torque Indicating System (Ref. Fig. 411, Sheets 1 and 2)
a. Disconnect the electrical plug (5).
b. Remove the torque pressure pipe (2).
c. Disconnect the case reference pressure hose (7).
d. Remove the nut (6).
e. Remove the P-clip (4) and the torque transducer (3).
f. Remove the torque pressure pipe adapter (8) and discard the O-ring (1).
N/A
8. Propeller Overspeed Governor (Ref. Fig. 412)
a. Remove nuts (2) and washers (1).
b. Remove the overspeed governor (3).
c. Remove and discard the gasket (4).
N/A
9. Starter-Generator, QAD Adapter (if installed) and Drain Line Adapter
(Ref. Fig. 413)
a. Remove the starter-generator (Ref., Page Block 401).
b. Remove the nuts (4) washers (3) and the QAD adapter (2).
c. Remove the drain adapter (7).
24-31-11 N/A
10. Harness (Ref. Fig. 414)
NOTE: Do not disconnect the low pitch warning switch cables. Transfer the
electrical harness with the warning switch and switch mounting bracket
attached.
a. Remove the cotter pin.
b. Remove the nut and washer that attaches the linkage block of the low
pitch warning switch to the propeller reversing lever.
c. Remove the block.
d. Remove the two nuts that attach the warning switch mounting bracket.
e. Release the bracket from the mounting studs.
f. Disconnect the electrical plug from the chip detector.
g. If propeller de-icing is installed, identify and disconnect the leads from
the terminal block of the propeller de-icer unit.
h. Identify and disconnect the ITT leads from the T5 terminal block on
the RH side of the gas generator case.
i. Remove the harness slot filler-plate from the engine front bulkhead.
j. Release the harness support P-clips.
k. Remove the harness.
l. If installed, remove the propeller de-icer unit (Ref. 30-60-01, Page
Block 401).
30-60-01 N/A