ZENAIR CH2000 SERVICE MANUAL
________________________________________________________________________
FIXED AILERON TRIM TAB - Fig. 15
For the purpose of changing the lateral trim, a fixed tab may be installed on one aileron (length as
required). See Fig. 15.
REMOVAL/INSTALLATION OF STABILATOR CONTROL CABLES AND TRIM TAB - Fig. 17
REMOVAL
1. Remove the trim motor access plates. (Fig. 2)
2. Disconnect the cables at the stabilator horn by removing the two bolts.
3. Disconnect the cables at the control column by removing the bolts.
4. Open the fuselage access panel. (Fig. 2)
5. Remove the two pulleys and remove the cables.
6. Remove the cables.
REINSTALL in reverse order of removal and check the rigging as follows:
STABILATOR CONTROL RIGGING - Fig. 17
1. Adjust cable tension to 40 lbs +/-5.
2. With the stabilator trailing edge up (on the stop) -
- check deflection limit 12
(
.5
)
3. With the stabilator trailing edge down (on the stop) -
- check deflection limit 9.5
(
.5
)
Note: Stabilator neutral: parallel to upper fuselage longeron. (See Fig. 17).
4. Check that when stabilator hits the stops, there is 1/2” (12mm) minimum
clearance to any item forward of the instrument panel.
5. Check all components and connections for condition, proper installation, operation and
safety.
ANTISERVO TRIM TAB ADJUSTMENT
With the stabilator in neutral position (see Fig. 17), the trim tab travel is adjusted with the
adjustable fork ends so that it deflects l0
up for full nose down trim, and 5
down for full nose up
trim.
Caution: Ensure that the rod is engaged with 1/4" (6mm) minimum in the forks. Check all
components and connections for condition, proper operation and safety.
7.2
Nov-02
