Elevator Trim Tabs; Elevator Trim Tab Removal - THRUSH S2R – G10 Maintenance Manual

AIRCRAFT MAINTENANCE MANUAL

ELEVATOR TRIM TABS

Controllable trim tabs, located on the
inboard trailing edge of each elevator,
are operated by an elevator trim tab
control lever located on the left side of
the cockpit. The elevator trim tabs also
operate as anti-servo tabs, making
excessive pitch changes less likely.
Linkage between the elevator trim tab
control lever and the elevators consists
of push rods bell cranks and fairleads.
The push rod leading from the trim tab
control lever to the trim tab assembly
runs along the left side of the fuselage
7-14
Page
THRUSH AIRCRAFT, INC – MODEL S2R-G10
Figure 7-8: Elevator Trim Control System
and is guided at intervals by four fairleads.
The aft end of this push rod attaches to a
bell crank. This bell crank has arms at each
end permitting two short push rods to be
routed back to bell cranks located on the
inboard side of the horizontal stabilizer. A
short push rod leads from these bell cranks
to horns on the trim tabs. (See Figure 7-8)

ELEVATOR TRIM TAB REMOVAL

A. Disconnect push rod from trim tab.
B. Remove rivets attaching trim tab hinge
to elevator and remove trim tab.
Effective: 03/26/2010