DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE:
CHAPTERPAGE 747
MAINTENANCE MANUAL STEMME S12
• Check friction damping of tail wheel: If pushed to its upper stops (under load) the fork
must show a heavy friction against turning.
• Check smooth steering of the fork if hanging free.
• Check axial and radial backlash of fork in its bearings (no diametrical backlash or tilting
due to worn out upper bearing, sucient clearance for rudder control when tail is lifted).
Grease lower axial bearing if required (observe section 6.5).
NOTICE
Never grease upper axial bearing of the tail wheel! The friction under load is required to prevent
tail wheel shimmy.
• Check condition of steering assembly coupled to rudder (springs, rods).
• Check rods and springs for safe connection, especially when spring tension is relieved, by
deecting rudder to its stops.
7.6 FLIGHT CONTROL INSTRUMENTS AND PITOT AND STATIC PRESSURE SYSTEM
Description: See section 3.6
Perform maintenance of the ight instruments according to instructions given by the
manufacturer concerned. (Manufacturer documents see Annex A).
NOTICE
If equipment is changed, the instructions in section 3.8 and 9 must be observed.
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