SusiAir PILATUS PORTER PC6, Maintenance Program

Page: 119 / 248

Form. ASI-PC6-Engine Removal
Reissued: 2
Revision: 1
Date: July 2020 Page 3 of 25
NO. DESCRIPTION TASK NO. MECH. ENG. RII
8
Remove the Control Cable Support Brackets (Ref. Fig. 406)
1. Remove the nuts (8) and washers (7).
2. Remove the nut (4), washer (3) and bolt (2).
3. Remove the bolt (5).
4. Move the brackets (1) and (6) with the control cables, clear of the engine.
N/A
9
Disconnect the Engine Bulkheads (Ref. Fig. 407)
1. Remove the bolts (6) and washers (7) from the rear bulkhead (1).
2. Remove the bolts (4) washers (3) plates (5) and seals (2).
N/A
10
Remove the Engine (Ref. Fig. 408)
1. Install the engine sling (PT No. CPWA 32420) to the lugs on the
accessory gearbox and reduction gearbox.
2. Position the hoisting equipment and adjust the sling lifting eye so that the
engine will stay horizontal.
3. Operate the hoisting equipment to hold the weight of the engine.
4. Remove and discard the cotter pins (14) (if installed).
NOTE: Some aircraft have self-locking nuts (15) installed.
5. Remove the nuts (15), washers (17) and bolts (19).
6. Remove and discard the cotter pins (4).
7. Remove the nuts (3), washers (2) and bolts (1).
8. Remove the struts.
9. Remove and discard the lockwire from the bolts (16).
10. Remove bolts (16) and washers (13).
CAUTION: BEFORE YOU DO STEP (11), MAKE SURE THAT ALL OF
THE DISCONNECTED ITEMS ARE CLEAR OF THE
ENGINE.
11. Lift and move the engine clear of the airframe.
12. Remove the upper half of the engine rear bulkhead.
N/A
11
Remove the Engine Mounting Ring (Ref. Fig. 408)
1. Remove the nut (11), washers (12) and (9) and bolt (8).
2. Move the mounting ring to the rear.
3. Remove the bolts (5) and washers (6) and then remove each shockmount
(10) from the engine.
4. Install the engine in the engine stand.
5. Remove engine mounting ring from engine.
72-00-00 N/A
12
Remove the Accessories from the engine is to be returned for overhaul or replaced, is following item :
CAUTION:
MAKE SURE THAT BLANKS AND COVERS ARE INSTALLED TO ALL OPENINGS ON THE REMOVED
ENGINE. YOU MUST MOVE THE BLANKS AND COVERS FROM THE REPLACEMENT ENGINE TO
THE REMOVED ENGINE.
1. Oil Drain Valve (Ref. Fig. 409)
a. Remove and discard the cotter pin (3).
b. Remove the lock pin (2).
c. Remove the bolt (1) and then remove the oil drain valve (5) from the
engine.
d. Remove and discard the O-ring (4).
e. Install a blank to the opening.
N/A
2. Oil Temperature Sensor (Ref. Fig. 409)
a. Remove the oil temperature sensor (10).
b. Remove and discard the O-ring (11).
c. Install a blank to the opening.
N/A
3 . Engine Breather Elbow (Ref. Fig. 409)
a. Remove and discard the lockwire from the two bolts (6).
b. Remove the two bolts (6) and washers (7).
c. Remove the elbow (9).
d. Remove and discard the O-ring (8).
e. Install a blank to the opening.
N/A