637 TRACTOR-SCRAPER Transporting Hints Caterpillar

Roading

TON-MPH limitations must be observed whenever roading a tractor-scraper.

Whenever it becomes necessary to road the tractor-scraper, you should check with the tire manufacturer for the speed limits on the specific tires involved.

Bring water, oil and fuel up to proper level.

Do not travel over 20 MPH (30 km/hr).

Every 40 miles (100 km) or 3 hours, stop for 30 minutes to inspect the machine and let tires, brakes and bearings cool.

Obey all traffic regulations.

Shipping

Check regulations covering transportation of cylinders containing compressed gas (cushion hitch accumulator).

1. With air system at NORMAL operating pressure and emergency brake released, lower scraper apron and bowl, stop engine and remove key.

2. Open drain on tractor emergency reservoir.

3. Disconnect two scraper delivery lines at unions on relay emergency valve.

4. Open drains on tractor air reservoirs.

5. Open drains on scraper air reservoirs.

6. Close all drains and reconnect hoses.

7. Block tires and secure machine with tie-downs.

8. Cover operator's seat.

9. Cover exhaust openings to prevent turbochargers "windmilling" in transit.