Parking The Semitrailer; Uncoupling Tractor From Semitrailer - Landoll 334C Operator's Manual

3-7 PARKING THE SEMITRAILER

3-7.1 Position tractor/trailer rig on a level,
solid surface.
3-7.2 Set the PARKING BRAKE, not the
semitrailer emergency hand brake, and
check for proper brake holding.
DANGER
FAILURE TO PROPERLY SET PARK-
ING BRAKE, AND CHOCK WHEELS
WHEN PARKING AND DURING STOR-
AGE, COULD ALLOW MOVEMENT OF
THE TRACTOR/TRAILER RESULTING
IN DAMAGE TO PROPERTY, SERIOUS
PERSONAL INJURY, OR DEATH.

3-8 UNCOUPLING TRACTOR FROM SEMITRAILER

3-8.1 Park the semitrailer according to instruc-
tions in Section 3-7.
3-8.2 Do not exceed the allowable load on
the landing gear. If the trailer is fully loaded,
move the undercarriage forward seventy (70)
inches before disconnecting the trailer from
the tractor or until load is equalized, or not
tail heavy.
3-8.3 If the trailer is partially loaded, move the
undercarriage forward, but not enough to
cause the trailer to be "tail heavy". Do not
move the undercarriage after the trailer has
been disconnected from the tractor.
CAUTION
THE LOAD ON THE PARK STANDS
MUST NOT EXCEED 10,000 POUNDS.
3-6
3-7.3 Chock wheels.
3-7.4 Check for any air leaks in lines, relay
valve, brake pods, or any other air system
component.
WARNING
WHEN LEAVING THE SEMITRAILER
UNATTENDED, POSITION ALL HY-
DRAULIC CONTROLS TO THE NEU-
TRAL OR "OFF" POSITION AND DIS-
CONNECT THE TRACTOR HYDRAULIC
HOOK-UP.
3-8.4 Remove retaining pin and lower landing
gear to the ground. Hydraulically raise the
front end of the semitrailer until the next hole
in the landing gear is available. Insert pin
through both inner and outer legs of the
landing gear. Hydraulically lower semitrailer
onto the legs.
WARNING
SECURE EACH LEG WITH A PIN BE-
FORE LEAVING THE SEMITRAILER
UNATTENDED.
3-8.5 Pull the tractor fifth wheel plate latch re-
lease.
3-8.6 Disconnect emergency and service air
lines and attach them to the tractor gladhand
holders.
3-8.7 Disconnect the 4 and 7-pole cables and
the hydraulic lines from the semitrailer and
store with the tractor.
3-8.8 Attempt to pull the tractor forward. If the
tractor uncouples, verify that all service lines
are disconnected and semitrailer wheels are
chocked. If tractor does not disconnect, re-
peat Step 3-8.5.
3-8.9 Pull the tractor away from the semi-
trailer.