Cleaning, Inspection And Repair Of Main Gear Door Assembly; Installation Of Main Gear Door Assembly; Adjustment Of Main Landing Gear Doors; Aligning Main Gear - Diagram - Piper Navajo Chieftain PA-31-350 Service Manual

209
SPACER
BLOCK
REFER TO FIGURE
7-37 FOR FABRI-
CATION OF SPACER
BLOCK
Figure 7-11. Aligning Main Gear
7-28. CLEANING, INSPECTION AND REPAIR OF MAIN GEAR DOOR ASSEMBLY.
a. Clean all parts with a suitable cleaning solvent.
b.
Inspect the outboard or inboard doors for cracks or bent skin. Loose hinge brackets and worn or
corroded bearings.
c. Repair to the door assemblies is limited to replacing hinge bearing, brackets or rivets, minor skin
repairs and painting.
7-29. INSTALLATION OF MAIN GEAR DOOR ASSEMBLY.
a. The inboard gear door is installed by aligning the hinge bracket holes with the bearings, installing
bolt assembly and securing. Install the actuating cylinder rod to the door.
b. The outboard gear door is installed by aligning the hinge bracket holes with the bearings,
installing bolt assemblies and securing. Attach the actuating rods between the door and landing gear
housing.
7-30. ADJUSTMENT OF MAIN LANDING GEAR DOORS.
a. Ascertain that the main landing gear has been properly adjusted.
b. Adjust outboard door rods to their maximum length and bolt to the bosses on the gear housing.
Retract gear and observe the amount of gap. Shorten rods by several turns of the rod ends and retract gear
again. Repeat until door closes properly.
CAUTION
Damage to the door may result if rods are too short.
Revised: 3/5/84
LANDING GEAR AND BRAKE SYSTEM
NAVAJO CHIEFTAIN SERVICE MANUAL
2E19