BRISTELL S-LSA, Maintenance And Inspection Procedures Manual

Page: 52 / 201

5.CHAPTER
– TAIL UNIT
Document: SLSA-MIP-5-4-0-US Date of Issue: 05/2016 Revision: -
5-4
5.3 Removal / Installation
5.3.1 Horizontal stabilizer removal
Type of maintenance: heavy
Authorization to perform:
LSA mechanic or A&P mechanic (Airframe and Power plant)
Tools needed:

wrench size 3/8 in, 7/16 in

screwdriver

wire nippers
Remove the screws from top and bottom side of composite cover between fuselage and
stabilizer.
Remove bolts connecting rear side attachments on the bulkhead No. 14.
Disconnect trim tab actuator wires (3) (see Fig. 6-9) located between stabilizer and
fuselage.
Remove fiberglass covers (6) (see Fig. 5-2).
Disconnect elevator control rod end.
Pull out the stabilizer in horizontal direction of the attachments and store it in such a
way that a damage cannot occur.
5.3.2 Horizontal stabilizer installation
Type of maintenance: heavy
Authorization to perform:
LSA mechanic or A&P mechanic (Airframe and Power plant)
Tools needed:

wrench size 3/8 in, 7/16 in

screwdriver

pliers
Clean attachments on the fuselage and apply lubricant grease on it.
Put the horizontal stabilizer from behind to the fuselage so that it slides on two pins on
bulkhead No. 13 and in the rear part on four bolts.
Connect the trim tab actuator wires (3) (see Fig. 6-9) located between the stabilizer and
fuselage.
Put washers on bolts and screw the nuts.
Connect the elevator control rod with the control lever.
Install the fiberglass covers (6) on bulkhead No.14 (see Fig. 5-2).
Screw back the screws on top and bottom side of fiberglass cover between fuselage
and stabilizer.
Perform check the trim tab operation and elevator deflections (see 6.4.3.3), possibly
adjusting of elevator deflections (see 6.4.4.3).