3.
Clean all old sealant from around the exit opening and exit assembly.
4.
Inside the door frame apply lubriplate around both fore and aft latch tubes.
5.
Insure that all gaps and holes between the sills and longeron are filled with polyurethane, urethane, acrylic, or polysulfide sealant (see Chart 9105, Sealant - Window and Airframe).
6.
Insure that neoprene seal is securely bonded to the emergency exit assembly.
7.
Cover the contacting surfaces of the assembly with vinyl film. (see Note 3, Figure 52-3.)
8.
Insert the bottom edge of the exit assembly over the longeron, then push in on the top and sides until it is properly seated. With the assembly seated push the lock handle aft to lock the assembly in place. Safety the handle in place with tinned copper wire AWG 26, .0159 dia. wire.
9.
When exit is secured in place additional sealant around perimeter of door and trim any excess vinyl film from inside and outside of the unit. 10.Test the latch mechanism, as explained in the next section, for operation prior to applying any sealant
around the door.
11.Fill all gaps around the outside of the emergency exit and fuselage with sealant.
12.Check for water leaks by spraying water over the emergency exit and window assembly.
TESTING OF EMERGENCY EXIT DOOR.
1.
Remove the side panel access cover to the emergency release handle.
2.
Attach a calibrated spring scale 1.0 inch from the top of the handle.
3.
With the scale reading the force applied, rotate the handle forward to an angle of 45°. The force required to rotate the handle shall be 20 pounds minimum, 30 pounds maximum.
— Note —
There should be no noticeable increase in force to finish rotating the handle after performing the last procedure.
4.
Remove the spring scale and rotate the handle sufficiently to completely disengage the latch mechanism.
5.
Sitting in the pilot’s seat, carefully push outward (see CAUTION) along the bottom of the door.
The force required to cause door to move should not exceed 40 pounds maximum.
— CAUTION —
DO NOT PUSH DOOR OPEN MORE THAN FOUR INCHES BEYOND THE BOTTOM DOOR SILL OR THE TOP REAR SKIN OVER THE DOOR WILL BE DAMAGED.
6.
Push the door just clear of the door sill and wiggle it down out of the overlapping top skin.
7.
After inspection of door reinstall as previously directed.
52-20-00 Page 52-12 Issued: April 1, 1997
3C20
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL
6 3,4,5 3,5 A - A 6 6 3,5 4,5 2 B - B 6 3,4,5 C - C 6 6 2 3,4,5 D -D
NOTES: 1. FILL ALL GAPS AND HOLES BETWEEN THE SILLS AND LONGERON WITH SEALANT, WINDOWS AND AIRFRAME, SEE CHART 9105. 2. NEOPRENE SEAL BONDED TO DOOR SILLS WITH ADHESIVE - NEOPRENE RUBBER, SEE CHART 9105. 3. COVER CONTACTING SURFACE WITH VINYL CHLORIDE COPOLYMER FILM (SARAN-48 GAUGE TYPE B) MIL-P-6264B. 4. WHEN THE ADJUSTMENT OF DOOR IS COMPLETED TRIM THE EXCESS POLYMER FILM FROM THE INSIDE AND OUTSIDE OF THE INSTALLATION. 5. FILL EXTERIOR GAPS BETWEEN THE DOOR AND FUSELAGE WITH SEALANT, WINDOWS AND AIRFRAME, SEE CHART 9105. 6. FOR WINDOW SEALING AND INSTALLATION INFORMATION, REFER TO CHAPTER 56. 2313 1 5 B B A A 5 C C DD 5 1 TINNED COPPER WIRE AWG 26, .0159 DIA.
Figure 52-3. Emergency Exit Installation
3C21 52-20-00 Page 52-13 Issued: April 1, 1997
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52-20-00 Page 52-14 Issued: April 1, 1997
3C22
Figure 52-4. Fabricated Tool for Baggage Door Lock
BAGGAGE DOOR.
REMOVAL OF BAGGAGE DOOR.
With the door open remove the hinge pin from the hinge and remove the door.
INSTALLATION OF BAGGAGE DOOR.
Place the door in position so that the hinge halves are properly matched and install the hinge pin. It will not be necessary to replace the hinge pin with a new pin if it is free of bends and wear.
BAGGAGE DOOR LOCK ASSEMBLY.
REMOVAL OF BAGGAGE DOOR LOCK ASSEMBLY.
1.
With the door open remove two screws securing the access plate, remove the access plate.
2.
Remove the nut from the back of the lock assembly with the use of a special wrench. (This tool may be fabricated from the dimensions given in Figure 52-4.)
3.
Remove the lock assembly through the front of the door.
INSTALLATION OF BAGGAGE DOOR LOCK ASSEMBLY.
1.
Place the lock into position for installation.
2.
Install the nut on the lock assembly and tighten with the use of a special wrench.
3.
Install access plate and secure with two screws.
52-30-00 Page 52-15 Issued: April 1, 1997
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