PIPER SENECA SERVICE MANUAL
IV - STRUCTURES 04/01/09
1E18B
4-41. Installation And Adjustment Of Door Locking Mechanism. (PA-24-250 Serial Nos. 24-3285 and up,
PA-24-260 and PA-24-400) (Refer to Figure 4-7.)
A. Install the upper (1) and lower (2) latch assemblies.
B. Install latch cable assembly (3) and connect the clevis rod end to the upper latch. Allow
approximately three threads of the cable end exposed from the clevis, tighten the lock nut.
C. Lubricate and install latch plate (4), door lock release (7) and latch spring (5).
D. Lubricate and install the door handle shaft-plate assembly (6). With the latch plate in locked
position, draw the door handle up and to the rear allowing the pawl of the handle-plate assembly (6)
to catch the latch plate (4) as shown in Figure 4-7.
E. Align the latch cable clevis end (8) holes with the lower hole of the handle-plate assembly (6).
Ascertain that the clevis pin will slip freely through these holes. Remove the pin and take in one
turn if adjustment is with a cable that has been previously installed and two turns with a new cable.
Install the pin and safety. Check that tube (9) will rotate freely.
F. Install door latch tube assembly (10), and pin, safety at the handle-plate assembly. Install cover (1)
and secure.
G. Install the latch tube clevis end to the lower latch assembly. Adjust the clevis to allow the inside
handle to operate when the outside handle is moved in and out through its three positions. The
outside handle should lock flush with its frame.
Figure 4-7. Door Locking Mechanism PA-24-250, Serial Nos. 24-2844 to 24-3284
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