TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 ENGINE PERFORMANCE LOW 0019 00 MALFUNCTION 2: (Continued) Low stall speed with black exhaust smoke: (one or both banks). PROCEDURE OBSERVATION ANALYSIS Engine speed increases from speed obtained in the previous step to normal speed Elements are dirty (refer to pertinent vehicle manual). Open doors, remove elements, clean element chamber, re-install elements and close doors. Repeat stall test. Engine speed remains the same. Filters are not the problem; continue to next probable cause. PROBABLE CAUSE CORRECTIVE ACTION c. Air cleaner hose collapsed. (1) Inspect hose. Replace as required. d. Turbocharger air inlet blocked. (1) Inspect turbocharger inlet (WP 0016, Engine Abnormal Exhaust). e. Turbocharger deficiency. (1) Inspect turbocharger (WP 0016, Engine Abnormal Exhaust). MALFUNCTION 3: Low stall with excess bluish exhaust smoke (one or both banks). PROBABLE CAUSE CORRECTIVE ACTION a. Worn or damaged rings with excessive oil consumption. (1). Overhaul engine (WP 0178, Disassembly/ Assembly Procedure Sequence for the AVDS 1790-2 Engine). MALFUNCTION 4: Low stall with one bank not firing. PROBABLE CAUSE CORRECTIVE ACTION a. Fuel injection pump malfunction. (1) Replace fuel injection pump (WP 0115, Fuel Injection Pump Assembly Replacement) END OF WORK PACKAGE WP 0019 00-4