Figure 3-31. Cooling Group

Figure 3-30. Shutter Thermostat Replacement

TM-5-6115-545-12 Power Unit Utility Pack Gas Turbine Engine Driven (Air Research Model PPU85-5) Non-Winterized and (Air Research Model PPU85-4) Winterized Manual
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1. Screw fA. Washer 2. Shutter 3. Screw 4. Washer 5. Shutter control assy 9. Screw 14. LH radiator support 6. Gasket 10. Washer 15. Cap 7. Screw 11. (Delete) 16. Drain hose 7A. Washer 12. Shroud 17. Radiator 8. (Delete) 13. RH radiator support F i g u r e 3 - 3 1 . C o o l i n g G r o u p (Q) Remove 12 screws (58) and cage nuts (j) Remove 7 screws (24) which secure (59) which secure the housing top front (57) on the fan guards (25 and 26) to radiator shroud (36) and sides, and remove the cover. remove both fan guards. (i) Remove the 2 screws ( 1 5 a n d 1 7 , f i g . (k) Disconnect wiring connections ( 1 4 , 3 - 2 9 ) whi~h secure the two clamps (16 and 18) on f i g . 3 - 4 ) Z the battery slave receptacles. the hydraulic cooler lines to the fan guards (25 and 26). C h a n g e 9^{3 - 8 3}

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