4-49. WHEEL REPLACEMENT.
This Task Covers:
l General mechanics tool kit
l Hydraulic jack
l Torque wrench
Open draincock on air reservoir and release air pressure.
Capnuts on right side of semitrailer are marked R and have right-hand threads. Those
on left side of semitrailer are marked Land have left-hand threads. Nuts must be turned
in opposite direction to normal forward rotation of wheel to be loosened or removed.
Loosen six outer capnuts (3).
Raise semitrailer with jack, support on jackstand,
and remove six capnuts (3) and outer wheel (1).
Remove six inner capnuts (4) and remove inner
wheel (2) from hub (6).