Piper Navajo PA-31 Service Manual page 138

PIPER NAVAJO SERVICE MANUAL
4-57. REMOVAL OF CABIN ENTRANCE DOOR (UPPER).
a. Remove the upper door support assembly from door.
b. Disconnect electrical wire. if installed. at the top of door frame, being careful not to push the wire
back into frame.
c. While holding door, remove hinge pins from both hinges and lower door to remove.
4-58. INSTALLATION OF CABIN ENTRANCE DOOR (UPPER).
a. While holding door in place, align the hinges and insert new hinge pins. Bend the excess length of
pin into slot in hinge.
b. Reconnect the electrical wire. if installed, at the top of the door frame.
c. Replace the upper door support assembly to the door.
4-59. REMOVAL OF CABIN ENTRANCE DOOR (LOWER).
a. Disconnect support chains from both sides of the door frame by removing locknut. washer and bolt.
b. Disconnect the snubber
c. Remove scuff plate and rubber cover from cabin floor.
d. Remove screw from the step extender cable attachment bracket, if installed. and secure cable to
prevent it from going into the door assembly
e. Remove locking roll pins from the hinges.
f. While supporting the door. remove hinge pins and lift door out ot place.
4-60. INSTALLATION
OF CABIN ENTRANCE DOOR (LOWER).
a. Position door and align hinges. then insert hinge pins.
b Secure hinge pins with locking roll pins.
c. Secure the step extender cable bracket to the lower door frame with a screw
d. Replace rubber cover and scuff plate between cabin floor and door
e. Reconnect both lower support chains to the frame and secure with bolts. washers and locknuts.
f. Connect snubber
4-61. ADJUSTMENT OF CABIN DOOR.
a. Use the least amount of shims under one lower door hinge only to obtain the proper fit between
the door, door frame and upper door.
b. Trim the outer skin of the door to fit the upper and lower doors together and around the door
and fuselage.
4-62. CABIN ENTRANCE DOOR LATCH ASSEMBLY.
4-63 REMOVAL OF DOOR LATCH ASSEMBLY (Refer to Figure 4-11.)
a. Remove the door trim panel assemblies and the protector panel from behind the steps.
b. Remove the safety latch mechanism from the door assembly by removing the latch spring (6).
attached between latch stop bracket (1), and door assembly by removing the bolt washer and eccentric
bushing (4).
c. The safety latch actuator rod (7) can be removed from the safety latch stop bracket by removing
the cotter pin (2) and washer (3).
d. Remove one roll pin (20) from the tube assembly and bushing, located to the rear of the steps.
e. Remove two bolts (22) and shim washers (21) holding the inner handle (23) to the actuator
assembly. Note the amount and thickness of shim washers for reference when reinstalling handle.
Revised: 11/15/82
STRUCTURES
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