TM 5-6115-434-12 Type.........................................................................................Combination pneumatic and shaft power Turbine wheel type ...................................................................Single stage, radial inward flow. Compressor type ......................................................................Two stage centrifugal Combustion chamber ...............................................................Single reverse flow tube Acceleration time to governed speed. ......................................60 seconds (max) Inlet air temperature .................................................................130°F (540C) (max) (a) Fuel requirements. Recommended Fuels Jet fuel, grade JP-4(-65 to 140F)  (-54° to 60 °C)................MIL-T-5624 Jet fuel, grade JP  (-30° to 140 °F)  (-34° to 60 °C)..................MIL-T-5624 Compression ignition fuel  (-30 ° to 140°F)  (-34° to 60 °C)......MIL-F-46005 Oil, diesel, grade DF2  (30° to 140 °F) (-1 to 60°C). .............VV-F-800 Oil, diesel, grade DFA (-65 to 140F) (-54 to 60C)...........VV-F-800 Kerosene (-30 to 140F) (-34 to 60°C).  .............................EMS 309 Fuel oil, diesel marine  (30° to 140 °F) (-1° to 60°C). .............MIL-F-16884 Emergency Fuels (50-hours continuous operation maximum). Note Power  unit  performance  will  be  satisfactory  but  use  of  the  following  fuels  will  result  in increased gas turbine engine maintenance. Gasoline, automotive combat (-65 to140F) MIG-3056 (-54 to 60C). Gasoline, aviation, grades 80/97, 91/ 96, 100/13, 115/ 145 MIL-G-5672 (-65 to 140F) (-54 to 60C). (b) Lubrication requirements. Lubricating oil...........................................................................MIL-L-7808  MI-L-23699 Lubricating system capacity .....................................................10 U.S.  quarts Oil change period .....................................................................500 hours Oil temperature, starting...........................................................-65 to 140F (-54 to 60C). Oil temperature, operating........................................................255°F (124 C) (max) Oil pump discharge pressure....................................................90  ± 10 psig Oil consumption .......................................................................0.25 pounds per hour (max) (c) Exhaust gas temperatures. Continuous operation, rated full load ........................................1225°F (663°C) (max) Transient conditions .................................................................1300F (704C) (max) Acceleration control thermostat setting.....................................1240 to 1260F (671 to 682C) Load control thermostat setting. ...............................................1025° to 1075 °F (6652°to 579 °C) (d) Operating speeds. Turbine wheel governed speed, rated full load (100-percent)....40,700  ± 100 rpm Turbine wheel governed speed, no load. ..................................41,600 (max) Overspeed shutdown switch actuation......................................44,250  ± 250 rpm Engine output shaft speed ........................................................6000 rpm Speed ratio, turbine wheel to tachometer generator drive.........9.806 to 1.0 (3) 24v dc electrical system. Batteries (2 required connected in series). 12v, 45 ampere hour lead-acid per MIL-B-26220 and MS35000,2HN Battery charger: Manufacturer .......................................................................AiResearch Manufacturing Company of Arizona Part number ........................................................................695614-1 Model number .....................................................................KR-A-006-1 Input ....................................................................................120/208v ac, 400 Hz Output .................................................................................28v dc, 80 amps Type ....................................................................................Transformer-rectifier Engine starter motor: Manufacturer .......................................................................AiResearch Manufacturing Company of Arizona Part number ........................................................................372697-9 Current ................................................................................600 amp (momentary) Duty cycle ...........................................................................One   minute,   on,   one   minute   off   or   five   starts   in   ten minutes. Fuel boost pump: Manufacturer .......................................................................AiResearch Manufacturing Company of Arizona Part number ........................................................................371240-2 Discharge pressure..............................................................15.0 psig (max) Current requirements...........................................................2.0 amps Engine electrical system power requirements (until light-off)7.5 amps 1-30