CR-MM-1-0-00
PS-28 Cruiser
PS-28N Cruiser
CHAPTER 4 – WING
Date of issue: 2018-09-27
Revision No.: 22
4 - 9
4.3.4 Wing flap installation
Type of maintenance: line
Authorization to perform:
See point 2.5.3.
Tools needed:
-
wrench size 7/16 in
(a) Clean all attachments and apply lubricant on it (see 2.6). Do the same for the hinges on the
wing.
(b) Set the flap hinges (2; 3, Fig. 4-7) in to the wing hinges (8; 9) and control pin (10) in to the
guiding plate.
(c) Insert the bolts (4) and the washers (7) in to the hinges.
(d) Install the washers (6) and the nuts (5); tight the nuts with prescribed tightening moment 5.5
– 8 Nm (50 – 70 inch lb).
(e) Close the flap in the zero (up) position.
(f) Perform check the wing flaps operation and their deflections (see 6.4.3).
4.3.5 Aileron removal
Type of maintenance: heavy
Authorization to perform:
See point 2.5.3.
Tools needed:
-
wrench size 7/16 in
-
cutting pliers
(a) Disconnect the control rod with control lever.
(b) On the right aileron only:
•
remove the cover (10, Fig, 6-8) from the hole for access to trim tab actuator (1)
•
disconnect trim tab actuator wires (2).
(c) Unscrew the nuts (4, Fig. 4-8), remove the washers (5), bolts (3) and disconnect both aileron
hinges.
(d) Carefully remove the aileron (1) from the wing.
(e) Store the removed aileron on a safe place and prevent it from damage.
