3-6 PARKING THE SEMITRAILER
3-6.1
Position tractor/trailer rig on a level,
solid surface.
3-6.2
Set the
PARKING BRAKE, not the
semitrailer emergency hand brake,
and
check for proper brake holding.
3-6.3
Chock wheels.
3-6.4
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 SHUT
OFF THE HYDRAULIC ENGINE POWER
SUPPLY, OR DISCONNECT THE TRAC-
TOR HYDRAULIC HOOK-UP.
3-7 UNCOUPLING TRACTOR FROM SEMITRAILER
3-7.1
Park the semitrailer according to instruc-
tions in
Section 3-6.
3-7.2
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 PIN BEFORE
LEAVING SEMITRAILER UNAT-
TENDED.
3-7.3
Pull the tractor fifth wheel plate latch re-
lease.
3-7.4
Disconnect emergency and service air
lines and attach them to the tractor gladhand
holders.
3-7.5
Disconnect the 7-way cable and hydrau-
lic lines from the semitrailer and store with
the tractor.
3-7.6
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
3-7.7
Pull the tractor away from the semi-
trailer.
3-5
Summary of Contents for 330A
Page 3: ...MODEL 330A SEMITRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO...
Page 8: ......
Page 12: ......
Page 20: ...3 8 Figure 3 3 Steps for Loading and Unloading...
Page 26: ...3 14 Figure 3 7 Rear Impact Guard System...
Page 34: ...4 6 Figure 4 2 330A Wiring Diagram...
Page 35: ...4 7 Figure 4 3 Remote Wiring Diagram...
Page 40: ...4 12 Figure 4 6 Examples of Camber Figure 4 7 Checking Axle for Bend...
Page 44: ...4 16 Figure 4 11 Axle and Brake Assembly...
Page 47: ...4 19 Figure 4 13 Three Spoke Wheel and Drum Figure 4 14 Outboard Mount Hub and Drum...
Page 52: ...4 24 Figure 4 19 Mounting Tires and Wheels Figure 4 20 Stud Tightening Sequence...
Page 54: ......
Page 62: ...NOTES 5 8...