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CAT, John Deere, Komatsu
CAT, Volvo, Liebherr
CAT, Komatsu, John Deere
CAT, Volvo, Mack
CAT, Volvo, Bomag
CAT, Cummins, Atlas Copco
Hydraulic breakers, grapples
Pumps, cylinders, valves
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Check hydraulic fluid temp, filter condition, pump pressure...
Test solenoid valve, check relief valve settings...
Inspect track tension, check idler wheel alignment...
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