1064-070

Possible Causes

• •Effects of the operating environment

Suggested Actions

1. 1Clean aftercooler with pressurized air at less than 205 kPa (30 psi) directed in the opposite direction of the fan's air flow, holding the nozzle approximately 6 mm (0.25 inch) away and moving parallel to the tubes
2. 2Clean aftercooler with pressurized water at less than 275 kPa (40 psi) to soften mud
3. 3Clean the aftercooler using pressurized air (less than 205 kPa / 30 psi) directed opposite to the fan's air flow, holding the nozzle approximately 6 mm (0.25 inch) away and parallel to the tubes
4. 4Inspect cleanliness by placing a light bulb behind the core
5. 5Open bent fins using a comb
6. 6Open bent fins with a comb
7. 7Start and accelerate the engine to high idle rpm to assist in debris removal and drying
8. 8Start and accelerate the engine to high idle rpm to dry the core and remove remaining debris
9. 9Use a degreaser and steam to remove oil and grease from both sides of the core
10. 10Use degreaser and steam to remove oil and grease from both sides of the core
11. 11Use pressurized water (less than 275 kPa / 40 psi) to soften mud, cleaning from both sides of the core
12. 12Wash the core with detergent and hot water, then rinse thoroughly with clean water
13. 13Wash the core with detergent and hot water, then thoroughly rinse with clean water

Related Caterpillar Fault Codes