Piper COMANCHE PA-24-180 Service Manual page 207

PIPER COMANCHE SERVICE MANUAL
6-19 Cleaning, Inspection And Repair Of Nose Landing Gear Door Assembly.
a. Clean all parts with
a
suitable cleaning solvent.
b. Inspect doors for cracks or damage. loose or damaged hinges and brackets.
c. Inspect door retraction rods for damage and rod end bearings for corroson.
d. Repair pertains to replacement of worn hinges, rivets and minor skin repair.
6-20. Installation Of Nose Landing Gear Doors.
a.
Position the door on the bottom cowl and attach with hinge pins, washers, and cotter pins.
b. Connect the retraction rod to the oleo strut and secure with pin, washer, and cotter pins.
6-21. Adjustment Of Nose Lnding Gear Door.
a. Place the airplane on jacks. (Refer to Jacking, Section II.)
b. Adjust the door by lengthening or shortening the retraction push-pull rod.
c.
Retract the landing gear and attach a 9 1 pound weight to the left rear corner of the door.
d. If properly adjusted, the door will deflect 1/8 inch from the fuselage.
6-22. Nose Gar Door Assembly. (PA-24-260, Serial Nos. 24-4783 and 24-4804 and up and PA-24-400)
6-23. Removal Of Nose Landing Gear Door Assembly. (Refer to Figure 6-7.)
a. With the nose landing gear extended disconnect the retraction rods (6) at the actuator plate (4) by
removing the locknuts and washers from the ball joints (5).
b. Remove the screws or hinge pins attaching each door to the bottom cowl and remove doors.
c. Removal of nose landing gear door reaction mechanism.
1. Remove the door hold down spring (3).
2. Remove the door retraction bracket assembly (2) from the firewall by removing the four
attaching nuts and bolts.
6-24. Cleaning Inspection And Repair Of Nose Landing Gear Doors And Retraction Assembly.
a. Clean all parts in a suitable cleaning solvent.
b. Inspect doors for cracks or damage and loose hinge brackets.
c. Inspect for wear and corrosion of downlock spring retraction rod ball joints and retraction bracket
assembly.
d. Repair to the assembly is limited to replacement of parts and minor skin repair.
6-25. Installation Of Nose Landing Gear Door Assembly. (Refer to Figure 6-7.)
a. Position the retraction bracket assembly (2) on the firewall and secure with attaching bolts.
washers and nuns.
b. Install the hold down spring (3).
c.
Position the doors on the cowling and secure with attaching screws or hinge pins.
d. Attach the retraction rods (6) to the actuator plate (4) with washer and locknut.
LANDING GEAR AND BRAKE SYSTEM
ISSUED: 8/18/72
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