CR-MM-1-0-00
PS-28 Cruiser
PS-28N Cruiser
CHAPTER 3 – FUSELAGE
Date of issue: 2014-08-22
Revision No.: 10
3 - 11
CAUTION:
USE ONLY ONE BALANCE BALLAST, NOT THEIR COMBINATION. MAX.
WEIGHT OF BALLAST IS 0.8 KG.
(a) By weighing or computation determine the mass of required ballast (mass of ballast: 0.25
kg or 0.5 kg or 0.8 kg; arm of ballast: 4,545 mm). Weighing process is given in the POH,
Section 6.
(b) Remove the horizontal stabilizer (see 5.3.1).
(c) Unscrew the bolts (12, Fig. 3-8) and remove the cover (11).
(d) According to Fig. 3-8 insert to the upper holes of the bulkhead No. 13 bolts (6) with washers
(8), on the bolts insert balance ballast (1), plate (2), washers (8); screw and tighten nuts (7).
(e) According holes in the plate (2) drill both lower holes.
(f) Insert to the lower holes of the bulkhead No. 13 bolts (3) with washers (5), on the bolts insert
washers (5); screw and tighten nuts (4).
(g) Place the cover (11) and fasten it by bolts (12).
(h) Install the horizontal stabilizer (see 5.3.2).
(i) Weight the airplane and verify that C.G. of the empty airplane is in desire range.
1 Balance ballast
6
Bolt (2 pcs.)
10 Bolt
2 Plate
7
Nut (2 pcs.)
11 Cover
3 Bolt (2 pcs.)
8
Washer (4 pcs.)
12 Bolt
4 Nut (2 pcs.)
For information:
5 Washer (4 pcs.)
9
Rear cover
Fig. 3-8
: Balance ballast installation