CR-MM-1-0-00
PS-28 Cruiser
PS-28N Cruiser
CHAPTER 4 – WING
Date of issue: 2018-09-27
Revision No.: 22
4 - 5
4.2.4 Fuel tanks
Fuel tanks are of welded all-metal structure consisting of aluminum sheet metal skin (1, Fig. 4-
5) and two ribs (2). There are on each tank filler neck (3), fuel quantity sensor (4), venting tube
(5), finger screen (6) and drain valve (7).
1 Metal skin
5 Venting tube
2 Rib
6 Finger screen
3 Filler neck
7 Drain valve
4 Fuel quantity sensor
Fig. 4-5
: Fuel tank, right
4.2.5 Wing lockers
Wings are equipped with wing locker (7, Fig. 4-2) placed between ribs No.4 and 5 behind main
spar. Capacity of each wing locker is 10 kg (
22 lbs
). Access doors installed on piano hinge are
locked per quick fasteners.
4.3
Removal / Installation
4.3.1 Wing removal
Type of maintenance: heavy
Authorization to perform:
See point 2.5.3.
Tools needed:
-
wrench size 7/16 in, 1/2 in
-
Phillips PH2 screwdriver
-
cutting pliers
-
hammer
(a) Remove the seats and access cover plates on the seats floor.
(b) Disconnect whole 6 nuts from the attachment bolts on the main spar and remove 6 bolts.
(c) Disconnect aileron control push rod on the control lever in fuselage behind the seats.