PR-750B PAVEMENT PROFILER Non-Operational Travel Caterpillar


Non-Operational Travel
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Forward and reverse travel of the machine are controlled by the engine throttle, the travel control and the overdrive selectors. Travel speeds of up to 180 feet (54.9 m) per minute are possible with the overdrive selectors at "On".

------ WARNING! ------

MOVEMENT OF THE MACHINE BEFORE ALL PERSONNEL ARE CLEAR COULD CAUSE PERSONAL INJURY. SOUND THE HORN FOR SEVERAL SECONDS BEFORE MOVING, TO WARN ANY UNOBSERVED PERSONNEL.

------WARNING!--------


NOTICE

DO NOT USE MAXIMUM SPEED FOR MORE THAN 1 MILE (1.6 km) OR THE TRACK DRIVE SYSTEM MAY BE DAMAGED.


1. Raise the mainframe evenly so the cutter and moldboard will clear any obstructions.
2. Set the engine throttle at full "Increase".
3. Check that the track pressure is at zero (0). Use the travel control to adjust the pressure, if necessary.

------ WARNING! ------

IF THERE IS PRESSURE IN THE TRACK DRIVE SYSTEM THE MACHINE MAY LUNGE FORWARD OR BACKWARD WHEN THE PARK BRAKE IS MOVED TO "OFF" AND THEREBY CAUSE AN INJURY. BE SURE THE TRAVEL CONTROLS ARE AT "N" BEFORE RELEASING THE PARK BRAKE.

------WARNING!--------

4. Sound the horn for several seconds.
5. Move the park brake control to "Off".
6. Use either travel control to obtain the travel speed and direction of travel desired. Use either steering control to steer the machine.

------ WARNING! ------

IT IS POSSIBLE TO LOSE THE INHERENT BRAKING ABILITY OF THE TRACK DRIVE HYDROSTATIC TRANSMISSION IN A PERIOD OF MACHINE ACCELERATION, DECELERATION OR WHEN THE PUMP IS IN NEUTRAL. THE LOSS OF INHERENT BRAKING COULD CAUSE PERSONAL INJURY.

TO MINIMIZE THE POSSIBILITY OF LOSING THE INHERENT BRAKING, THE REAR OVERDRIVE CONTROL MUST BE AT "OFF" WHENEVER OPERATING UP OR DOWN GRADES IN EXCESS OF 8 PERCENT. THE FRONT TRACK OVERDRIVE CONTROL MUST BE AT "ON" WHEN LOADING THE MACHINE ONTO A TRAILER FOR TRANSPORTING.

STAY NEAR THE PARKING BRAKE CONTROL. THE CONTROL MUST BE INSTANTLY MOVED TO "ON" TO PREVENT A "RUNAWAY" IF THE TRACK PUMP CHARGE PRESSURE FALLS BELOW THE REQUIRED LIMIT FOR CONTROL OF THE TRACK PUMP SWASHPLATE. BRACE YOURSELF FOR A "QUICK" STOP ANYTIME THE PARKING BRAKE CONTROL IS MOVED TO "ON" WITH THE MACHINE MOVING.

AVOID GRADES WHERE TRACK PRESSURES ABOVE 3500 PSI (24 133 kPa) ARE REQUIRED.

------WARNING!--------


NOTICE

DO NOT CHANGE THE TRAVEL CONTROL FROM ONE TRAVEL DIRECTION TO THE OTHER WITHOUT BRINGING THE MACHINE TO A COMPLETE STOP FIRST, OR DAMAGE MAY RESULT.


7. Return the travel control to "N" (neutral) to stop the machine.