Piper Navajo PA-31 Service Manual page 757

PIPER NAVAJO SERVICE MANUAL
11-93 . ADJUSTMENT OF DOOR AJAR SWITCH. (Serial Nos. 31-2 to 31-32 incl.)
Due to the presence of two switches,
each will have to be checked and ad-
justed separately. This can be accomplished
by disconnecting the wires at the
switch not being adjusted.
a. With both doors closed and locked, apply pressure
from the inside of the
door. Press the safety latch button and pull the inner handle to unlock the door.
The ajar switches should activate before the doors
are completely unlatched.
Make certain that the switches activate
before the handle has reached a 90 degree
position to the door.
b.
When adjustment is satisfactory, tighten the retainer nut on the switch. If
both switches are being adjusted, follow the same procedure for the other switch.
11-94. REMOVAL OF DOOR AJAR SWITCH. (Serial Nos. 31-33 and up.)
The
switch is located in the upper half of the cabin entrance
door.
a. Remove the screws that hold the trim molding and safety chain to the upper
door molding. Remove the molding.
b. Disconnect the two wires connected to the switch and mark them for posi-
tive identification
when switch is reinstalled.
c. Remove the two locknuts, washers and bolts that secure the switch to the
bracket on the door.
The switch can now be removed.
11-95 . INSTALLATION
OF DOOR AJAR SWITCH. (Serial Nos. 31-33 and up.)
a. Install the switch in door and secure to bracket
with two bolts, washers
and locknuts.
b. Connect the two wires to the switch, in their proper place.
c. Replace
the trim molding and safety chain. Secure with proper screws.
11-96 . ADJUSTMENT
OF DOOR AJAR SWITCH. (Serial Nos. 31-33 and up.)
There is a spring striker
plate located on the lower half of the entrance
door that can be adjusted to obtain the proper indication of the door condition.
a. Close both the upper and lower halves of the cabin entrance
door and lock.
b. Apply pressure from inside the door and press the safety latch button. Pull
the inner handle to unlock the door. The ajar switch should activate before the
doors are completely unlatched. Make certain that the switch activates before
the handle has reached a 90 degree position to the door.
c. Remove the trim cover over the end of the strap handle on lower door and
loosen the screw holding the spring striker
plate. Slide the plate to get the prop-
er indication of ajar switch.
Reissued: 10/12/79 ELECTRICAL SYSTEM
4D7