TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download

u Hydrostatic Ik Test- Continued 3. DT 1 23 I.  13. OT 13.1 I. 2. Hold (uel shutff (engine "slop") switch and crnnk engine several revolutions (5·10 sonds). Dama Check (In Vehicle): Perform compr essio n check (Refer to Test -9). Generator Operational Test. s Indicator: (Battery/Generator) Preliminary Check. Master switch "0'F". Turn master switch "ON".  13.2 Baery Prelimi1ry Check: I. Turn master switch "ON".  13.3 Generator Operating Preliminary Check: I. Start and operate engine at 10-140 rpm. Table 2-3. Dtic TtaU - Contlutd a. If knk cu, cee cranking. b. Note fluid blown om cylinde. a. Cylinder(s) compreion lo Ŋ psi or pressure diffential exceeds 70 psi · tween cylinde. a. Indicator needle at extreme left. (No voltage indicated.) b. Indicator needle at any pition other than extreme left. a. Indicator needle moves into "yellow" na (indicat i ng battery voltage) with panel lights on. b. Indicator needle dœs not move from ex- treme left pition with panel lights on. a. Indicator needle in "yellow" area. b. Indicator needle in left "" area. c. Indicator needle in "green" area. d Indicator needle at extreme left pition. a. Indicator needle in "green" area . . b. Indicator needle in "yellow" aa (same lation  battery check DT 13.2). c. Indicator need le in "yellow" area (slightly higher than battery check  13.2). d. Indicator ndle in left" red" area. e. Indicator ndle in right "red" area. TM 9·2815-220·34 An1ll• a. Connecting r o r piston damage ex- is ʦ. b. mbustion chamr clear. a. HytAtic damage may exi�l (nt nnting rod). a. Indicator satisfoctory. b. Indicator defective. a. Indicator satisfactory. b. Indicator deftive. a. Bary charge satisfactory. b. Batteries diharged. c. Batteries overcharged. d. Baeries dead or cabl dionnected or co a. Generator charging normal. b. Generator not charging. c. Generator charging slowly (low nor- mal). d. Bat teries discharging. (Possible versed ble connections.) e. Generator overcharging and voltage regulator is ma lfuncti oning.  - Mater Switch "OFF" Po5ition of Pointer on Ge GENERATOR· BATTERY INDICATOR GAGE I RED YELLOW I GREEN BATTERY CHARGE CONDITION WITH MASTER "ON" AND ENGINE "OFF''  13.4 I.  13.S I.  13.6 l. Under I Normal I er GENERATOR CHARGING CONDITION WITH ENGLNE RUNNING ha I Under I Generator Electril Check: Normal Chk ohm and continuity read· a. Values per pertinent vehicle manual. ings with test meter. Generator Rotation Check: Perform Test  10.2. Generator Electrical Failure: • move generator om engine. a. RED er Per pertinent vehicle manual. 2-29