-- Used for raising and lowering spare tire.
b. Operated with wheel nut wrench.
c. A metal cable is wound on an operating shaft
to lift the tire to carrying position.
d. Rotating shaft clockwise raises spare tire to the
e. Counterclockwise rotation lowers spare tire
to the ground.
f. Located on right hand side of semitrailer and
attached to the main member of the tire carrier.
a. Used to raise and lower landing legs.
b. Rotating handcrank clockwise
landing legs for parking semitrailer.
rotation raises legs
to towing position.
d. Pushing operating shaft in engages high speed
gear for ease and speed in raising or lowering legs
between ground and full up position.
e. Pulling operating shaft out engages low speed
gear for raising or lowering legs when semitrailer is
f. Located on right side of semitrailer.
g. Handcrank holder stores handcrank when not
Figure 2-10. Landing leg handcrank