650 & 660 TRACTOR-SCRAPERS Safety Caterpillar

1.1. Preparing to Operate
2.1. Mounting and Dismounting
3.1. Checking Controls
4.1. Operating

Wear a hard hat, safety glasses and respirator as required by job conditions.

Do not wear loose clothing or jewelry that could catch on controls.

Don't rush - be careful.

Block raised bowl and apron if working in this area.

Know the hand signals and who gives them.

Lower scraper and stop engine before servicing.

Do not smoke while fueling.

Preparing to Operate

Report needed repairs.

Be sure machine is equipped with clearance lights and turn signals, if required by law.

Make certain all safety guards and covers are secured in place.

Clear personnel from machine and area.

Clear obstacles from path of machine - note hazards such as wires and ditches.

Fasten seat belt before starting.

Start engine only in well ventilated area.

Be particularly careful on machines you do not usually operate.

Mounting and Dismounting

Do not jump off machine. Use steps and grab irons.

Shut off engine before leaving machine.

Move all scraper controls to HOLD or NEUTRAL before starting engine.

Checking Controls

Check all controls for proper operation.

Test right and left steering while moving slowly.

Test brakes.

Test engine accelerator.

Listen for unusual noises.

Always lower scraper bowl and close apron before starting.

Observe all gauges frequently - investigate improper readings.

Set parking brake before leaving machine.

Check function of safety devices such as lights, back-up alarms, etc.


No riders.

Stop machine and look behind before backing.

Stay clear of overhangs, electric wires, slide areas or other danger areas.

Use extra caution in crossing side hills, ridges, ditches and other obstructions.

Do not engage traction unit at speeds over 12 MPH (19, 3 kmph).

Use extreme care to avoid tipping when working on hills, banks or slopes.

Stay safe distance from edge of cliff or overhang.

Know traffic pattern of the job and obey flagmen, road signs and signals.

Match speed with job conditions - do not coast.

Know your stopping distance at any given speed. Regulate travel speed accordingly.

Keep machine under control - do not try to work machine over capacity.

Make sure clearance flags and other required warnings are on machine when roading.

Pull to side of road to allow vehicles to pass, if traffic lines up behind the machine.

Stop machine frequently at night - walk around and inspect machine - stay alert.

Report needed repairs noted during operation.