AP600D and BG600D Asphalt Pavers Caterpillar

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Diesel engine exhaust contains products of combustion which may cause personal injury. Always start and operate the engine in a well ventilated area, and, if in an enclosed area, vent the exhaust to the outside.

For maximum service life of the machine, always make a walk-around inspection of the machine. The walk around inspection must be done before you mount the machine in order to start the engine.

Look around the machine and under the machine for items such as loose bolts, trash, oil leaks, coolant leaks, broken parts or worn parts.

Inspect the condition of the attachments. Inspect the condition of the hydraulic components.

Wipe all fittings, all caps, and all plugs, before you service the machine.

Note: Keep a close watch for leaks. If any leaks are observed, find the source of the leak. Repair the leak. Check the fluid levels more frequently than the recommended interval if you suspect a leak.

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Illustration 1	g01452302
The engine air inlet is on the left side of the machine.

1. Inspect the engine air inlet for any debris or obstructions. Clean the engine air inlet if debris or an obstruction has accumulated.
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   Illustration 2	g01350488
   The engine air filter service indicator is most easily accessed from the operator's platform. The front left access door provides easy access to the engine air filter service indicator.

2. When the engine is at fast idle, inspect the engine air filter service indicator. When you observe that the yellow piston is in the red zone, the engine air inlet needs to be serviced. Refer to Operation and Maintenance Manual, "Engine Air Filter Primary Filter Element - Clean/Replace". Stop the engine before you service the engine air precleaner.
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   Illustration 3	g01350497

3. Inspect the conveyors for wear. Inspect the conveyors for damage. The conveyors may show the following signs of wear or damage: loose drag bars or broken drag bars, jerky movement of the conveyor and excessive wear on drive sprockets. Repair the conveyors if the conveyors are worn or damaged.
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   Illustration 4	g00861022

4. Inspect the auger conveyor segments for damaged components or worn components. The corners of the auger segments should be square. As the augers wear with use, the thickness and diameter may become smaller. When the edge of the auger wears to a point, the auger needs to be replaced.

5. Check the machine for loose wiring. Check the machine for frayed wiring.

6. Inspect the lights for broken bulbs. Inspect the lights for broken lenses. Replace the bulbs or the lenses if the bulbs or the lenses are broken.
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   Illustration 5	g01350505

7. Inspect the hydraulic system for leaks. Repair any damage before you operate the machine. Repair any leaks before you operate the machine.

8. All covers and guards must be securely in place. Inspect all covers and guards for damage. Repair any damage.
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   Illustration 6	g01452304

9. Inspect the steps, the walkways, and the handholds for damage or wear. Repair the components that are damaged or worn. Inspect the steps, the walkways, and the handholds for cleanliness. Clean the components.
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   Illustration 7	g01350554

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   Illustration 8	g01452340

10. Inspect the operator platforms for cleanliness. Keep the operator platforms clean.