THRUSH AIRCRAFT, INC – MODEL S2R-R1340
AIRCRAFT MAINTENANCE MANUAL
Anti-seize lubricant or equivalent before
installation. Lubricate all bearings,
bushings, and Zerk (grease) fittings with
MIL-G-81322 (Aeroshell 22) grease.
Torque all hardware in accordance with
TORQUE CHART (figure 2-7, Section 2)
with the exception of the top spindle
castellated nut and wheel/tire axle
castellated nut, which should be torqued
as follows:
FIGURE 6-6: TAIL LANDING GEAR
A.
For spindle castellated nut:
While
manually rotating spindle, torque
spindle castellated nut to 20 inch-
pounds, continue rotating spindle and
back off to zero inch-pounds. While
manually rotating spindle, torque nut
to 10 inch pounds. If not in locking
position, advance nut to next position,
not to exceed 30º, and install cotter
pin. Bend ends of cotter pin around
spindle castellated nut. Note: Spindle
must rotate freely without perceptible
play.
B.
For tail wheel axle castellated nut:
While manually rotating wheel/tire,
torque axle castellated nut to 80 inch-
pounds, continue rotating wheel and
back off to zero inch-pounds. While
manually rotating wheel/tire, torque to
30 to 40-inch pounds. Rotate axle
castellated nut (clockwise or
counterclockwise) to nearest slot and
6-14
Effective:
01/01/08
