Dewalt DXCMH1393075 Instruction Manual - Page 29
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Page 29 highlights
English CODE POSSIBLE CAUSE 23 Detergent type oil being used in pump 24 Extremely light duty cycles 25 Piston rings damaged or worn 26 Cylinder or piston damaged or worn 27 Compressor cylinder finish worn 28 Water in pump oil 29 Manual lock unloader lever in open position 30 Engine fuel tank empty POSSIBLE SOLUTION Drain oil and refill pump with full synthetic non-detergent air compressor oil. Run unit for longer duty cycles. It is recommended to run at high throttle 50-75% of the run time and idle for 25% of the run time. Contact a DeWALT factory service center or a DeWALT authorized service center. Contact a DeWALT factory service center or a DeWALT authorized service center. Contact a DeWALT factory service center or a DeWALT authorized service center. Drain oil and refill pump with full synthetic non-detergent air compressor oil. Rotate manual lock unloader lever to the closed perpendicular position. Add gasoline, see engine's instruction manual for correct procedure. 29
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