TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 c. Cleaning/inspection ● ● WARNING Dry cleaning solvent P-D-680 Is toxic and flammable. Wear protective goggles and gloves and use only in well-ventilated areas. Avoid contact with skin, eyes, and clothes. Don’t breathe vapors. Do not use near open flames or excessive heat. The flash point 100 °F-138 o F (38°C-50 o C). If you become dizzy while using cleaning solvent, get medical aid. If contact with eyes Is made, wash your eyes with water and get medical aid immediately. Compressed air used for cleaning purposes will not exceed 30 PSI. Use ‘only with effective chip guarding and personal protective equipment (goggles/shield, gloves etc.). (1) Clean air heater body and fuel injector nozzle with cleaning solvent and dry with compressed air. (2) Inspect electrode, fuel injector nozzle, and air heater body for cracks, pitting, or wear. d. Assembly (1) Install two connectors (33) into air heater body (37). (2) Install adapter (31) into connector (33). (3) Install fuel injector nozzle (38) into air heater body (37). (4) Screw electrode (29) into air heater body (37). e. Test/Adjustment Using gap gages, adjust wire (39) to electrode (29) to obtain air gap of 0.080 inch. f. Installation NOTE Do not install air box heater body on engine until all ignition coil testing is complete. (1) Install two bolts (34), two Iockwashers (35), air heater assembly (30), and gasket (36) onto block. Torque bolts to 13-17 Ib-ft (1 8-23 N-m). (2) Connect hose (1) to adapter (31) on air heater assembly (30). NOTE Test air nozzle assembly (38) by applying power (18 V dc) to air pump and feel for suction at fuel line connector (33). If no suction is felt, replace air nozzle assembly. (3) Connect hose (32) to connector (33) on air heater assembly (30). (4) Connect high tension lead (28) to electrode (29). 4-27