The damping control handle

Figure 6-26. Loading Injector Into Test Stand

TM-9-6115-604-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 5 Kw. 1 Phase-2 Wire 1 Phase -3 Wire 3 Phase -4 Wire 120. 120/240 and 120/208 Volts Manual
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TM 9-6115-604-34 NAVFAC P-8-633-34 (4) Select the correct injector link and adapter from the storage box (18, Figure 6-20) using the chart on the storage box lid. (5) Install the adapter on the injector (Figure 6-25) and install the link in the injector plunger. NOTE The damping control handle (20, Figure 6-20) must be in the released position in order to raise the guard (23). (6) Raise the guard (23) and place the injector, adapter, and link into position (Figure 6-26). The two milled cut-outs in the adapter must fit over the parallel bars.. (7) Check the temperature indicator on the control panel (4, Figure 6-20). The temperature must register between 103 and 1 05OF (39.5 and 40.50C). If not, allow more time for the temperature to stabilize before continuing. (8) Close the guard and turn the damping control handle (20, Figure 6-20) against its stop. This automatically provides the correct damping and sealing force on the injector. (9) Check that the scribe mark on the cylinder flange aligns with the notch steel strip (Figure 6-27). If the scribe mark and notch do not line up, the injector has been incorrectly installed, or the wrong cam or adapters have been used. Make corrections as necessary in accordance with steps (3) through (8), above. (10) Check that the packing is in place in the self-dosing valve in the fuel arm (Figure 6-28), and open the fuel line valve. (11) Lower the fuel arm until the self-dosing valve is positioned over the injector orifice, and lock it in place by pulling the fuel arm to its over-center stop. NOTE The dial indicator (2, Figure 6-20) will stop registering at the completion of 1000 strokes. Raising the fuel arm (21) will stop the main drive motor to allow resetting the dial indicator. (12) Press the main drive start button on the control panel (4, Figure 6-20), then press and release the metering button. Injected fuel flow will now register on the dial indicator (2) as cubic centimeters per 1000 strokes (ccl1000 strokes). CAUTION To avoid damage to the test stand, do not leave the Injector damped more than 1 minute after stopping the main drive. Do not, however, unclamp the Injector until the main drive motor has stopped. (13) Allow the indicator readings to stop, raise the fuel arm (21), and allow the motor to stop. (14) Press the metering button, then return the dial indicator (2) to zero using the ZERO SET screw within one minute. (15) Lower the fuel arm (21) to restart the drive, press the metering button, and watch the small hand on the dial indicator (2) to see if it makes more than one revolution. (16) Repeat steps (13), (14), and (15), above, until at least two identical indicator readings are obtained. (17) Interpret the dial indicator (2) readings as follows (see Figure 6-29). NOTE Each revolution of the small hand equals 250 cc/l 000 strokes. Each revolution of the large hand equals 10 cCl/000 strokes. (a) If the small hand has made less than one revolution, (A, Figure 6-29), use the figures on the inner dial (2 to 24). (b) If the small hand has made more than one revolution (B, Figure 6-29), use the figures on the center dial (26 to 48). (c) Multiply the reading of the small hand by 10, and add the reading of the large hand (outer dial) as shown in Figure 6-29. This figure is the injector flow in cc/1 000 strokes. 6-51

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