FIGURE 2-1. OPERATOR'S CONTROLS

CHAPTER 2 OPERATING INSTRUCTIONS - TM-5-4310-393-14_20

Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

TM-5-4310-393-14 Air Compressor Diesel Engine Driven 20 CFM 3200 PSI Model KA7-DA Manual
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TM 5-4310-393-14 FIGURE 2-1. OPERATOR'S CONTROLS TABLE 2-1. OPERATOR'S CONTROLS AND INDICATORS Item Control or Indicator Function 1. Decompression lever Controls engine decompression. Lever is placed in START position for engine starting and returns to RUN position when engine reaches operating speed. Place decompression lever in FREEWHEEL position when freeing engine of compression to freewheel engine. (Figure 4-3) 2. Throttle control hand lever With the hand lever in the START position, the engine is at its highest operating speed. Speed is varied by moving the lever between START and STOP. Engine Operating speed for proper air delivery is full throttle. 3. Extra Fuel Button Provides more fuel to the engine during cold starting. Pulling the button out allows more fuel delivery to the engine. Button returns to normal when engine reaches operating speed. 4. Hourmeters. An hourmeter is provided for the compressor section and for the engine section. The purpose of the hourmeters is to indicate the number of hours of operation for each unit section. 5. Pressure gauges. Pressure gauges are installed in a panel on the air compressor frame. The gauges have a range of 0 to 7500 psi. They read pressure on the inlet and outlet side of the pressure maintaining valve. 2-2

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