Piper SEMINOLE PA-44-180, Maintenance Manual

Page: 350 / 881

6. Disengage the nose gear downlock, (see CAUTION) retract nose gear slightly to remove gear from its
downlocked position.
7. Disconnect the gear downlock spring from upper drag link.
8. Remove the cotter pin, nut and washers from the bolt that secures the lower drag link to the gear oleo
housing.
9. Slide out the bolt and the gear tension spring arm and lower the drag links.
10. Pivot upper drag link and downlock until the hydraulic cylinder rod end connecting bolt is clear of the
fuselage.
11. Remove nut and washer and slide bolt holding rod end of hydraulic cylinder out of the downlock.
Remove cylinder from wheel well.
DISASSEMBLY OF NOSE GEAR ACTUATING CYLINDER. (Refer to Figure 29-6.)
1 . With the cylinder removed from the airplane, mark the position of the end gland to facilitate installation.
2. Remove safety wire and unscrew the end gland.
3. Complete disassembly of piston and O-rings.
Figure 29-6. Nose Gear Actuating Cylinder
CLEANING, INSPECTION AND REPAIR OF NOSE GEAR ACTUATING CYLINDER. (Refer to
Figure 29-6.)
1. Clean the cylinder parts with a suitable dry type solvent and dry thoroughly.
2. Inspect the cylinder assembly for the following:
A. Interior walls of the cylinder and exterior surfaces of the piston for scratches, burrs, corrosion, etc.
B. Threaded areas for damage.
C. Rod end fitting and swivel fitting of cylinder for wear and corrosion.
3. Repairs to the cylinder are limited to polishing out small scratches, burrs, etc., and replacing parts.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
29-12-04
Page 29-23
Revised: June 20, 1995
2C18