STEMME S12 User Manual

DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: 
CHAPTERPAGE 76
MAINTENANCE MANUAL STEMME S12
7.1.3.3 HORIZONTAL TAIL
• Check forward tting for cracks and corrosion, tight t of screw connection, smooth op-
eration of spring bolt (observe section 6.5 Lubrication), backlash of bolt and sucient
spring tension for safe locking.
• Check rearward tting for cracks, especially in or close to welding seams and the cut-outs
of the xing plates, tight t of screw connection and wear of pins.
• Check nut of the assembly screw stop.
• Check backlash of the horizontal tail tting (do not apply excessive force):
- Move horizontal tail tip forward and aft and up and down.
- Take hold of the mid section of the horizontal tail n, push up and down.
If excessive backlash is found, the bolts and ttings must be measured.
MAXIMUM BACKLASH OF HORIZONTAL TAIL FITTINGS
Forward tting Vertically 0.15 mm / 0.006 in Horizontally 0.1 mm / 0.004 in
Rear tting Vertically 0.15 mm / 0.006 in Horizontally 0.15 mm / 0.006 in
7.1.3.4 WEIGHTS AND STATIC HINGE MOMENTS OF CONTROL SURFACES
Upon repair and re-painting the control surfaces weights and static hinge moments must be
measured. If the limits are exceeded, contact the manufacturer.
Weights and Hinge Moments: See section 6.4.2
Deections: See section 6.4.1

STEMME S12 Specifications

General

Brand	STEMME
Model	S12
Category	Aircrafts
Language	English