UNUSUAL ENVIRONMENT/WEATHER. -Continued

TM-9-4310-397-14 Compressor Unit Reciprocating 10 CFM 175 PSI Diesel Engine Driven Trailer Mounted Model CUE67-6DY-TM Manual
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TM 9-4310-397-14 2-8. UNUSUAL ENVIRONMENT/WEATHER. -Continued (i) In cold weather it may be necessary to repeat the starting procedures. Do not repeat the procedures more than two times in succession. Allow two minutes for evaporation of starting fluid. If engine does not start after four attempts, push IGNITION-START switch (4) notify supervisor. (j) When engine water temperature reaches 140° F (60° C), as indicated on ENGINE WATER TEMPerature gauge (9), close the hose reel valve (1) and appropriate double discharge valve (2) and turn COMPRessor UNLOADER AND IDLE CONTROL knob (3) counterclockwise until it stops. This action increases engine speed and opens compressor intake valve to start compression. CAUTION Operating the equipment unattended for prolonged periods of time can result in serious damage to the unit. (k) Unit is now ready for use and will cycle through load and unload automatically in relation to air demand. As demand increases, the engine will accelerate and the compressor will replenish compressed air supply in the separator tank. As demand decreases, or stops, engine will return to idle and compressor will run in an unloaded condition until demand for air again causes unit to load. (l) Perform all the DURING PMCS as outlined in Table 2-1. (2) Shutdown Procedure. (See Figure 2-5.) (a) Turn COMPR UNLOADER AND IDLE CONTROL knob (3) clockwise until it stops. (b) Close hose reel valve (1) and appropriate double discharge valve (2). (c) When engine speed reduces to steady idle speed, push IGNITION-START switch (4) all the way in to stop the engine. c. Hot Weather (100° F or Above) (38° C or above). (See Figure 2-5.) (1) Starting Procedure. (a) Open hose reel valve (1) and appropriate double discharge valve (2). (b) Turn COMPRessor UNLOADER AND IDLE CONTROL knob (3) clockwise until it stops. (c) Pull IGNITION-START switch (4) out to first (run) position. NOTE Engine water temperature and compressor oil temperature must be at or below normal readings before resetting relay reset switch. (d) Push relay reset switch (5). (e) Rotate PRIMING PUMP knob (10) until detent pin releases. 2-34

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