Nose Gear Doors Cleaning, Inspection And Repair; Nose Gear Doors Installation; Nose Gear Doors Adjustment; Mechanical Nose Gear Door Mechanism View - Piper PA-44-180 SEMINOLE Maintenance Manual

2307
CLEANING, INSPECTION AND REPAIR OF NOSE GEAR DOORS.
1. Clean all parts with a suitable cleaning solvent.
2. Inspect the door for cracks or bent skin, loose hinge brackets and worn or corroded bearings.
3. Check the retracting mechanism for worn downlock spring and worn or damaged surfaces.
4. Repair to the door assembly is limited to replacing hinge bearings or rivets and mechanism parts, minor skin
repairs and repainting.
INSTALLATION OF NOSE GEAR DOORS. (Refer to Figure 32-12.)
1. Position the complete operating mechanism inside the wheel well and secure the bearing blocks to the sides
of the wheel wells.
2. Install the gear doors by positioning the doors and installing a new hinge pin. The hinge pin ends should be
bent to provide a safety.
3. Adjust the gear doors.
ADJUSTMENT OF NOSE GEAR DOORS. (Refer to Figure 32-12.)
1. Place the airplane on jacks. (Refer to Chapter 7.)
2. Disconnect the nose gear door retraction rods, if not previously disconnected.
3. Adjust doors one at a time. Close the door to the stop and adjust the retraction rod.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
3 4
5
2
1
Figure 32-12. Mechanical Nose Gear Door Mechanism
2H6
1. DOOR ASSEMBLY
2. ROD ASSEMBLY
3. SUPPORT BRACKET
4. SPRING
5. ACTUATOR
3 2 - 2 3 - 0 4
Page 32-38
Revised: May 15, 1989