TM 9-2350-277-20-2ADJUST THROTTLE VALVE (TV) MODULATOR — Continued 0213 0014. Remove quick-disconnect fitting (1) from elbow (2), hose (3) from quick-disconnect fitting (1), and pressure gauge (4)from hose (3). Stow in kit.15. Apply a light coat of sealing compound to male threads of pipe plug (5), and install pipe plug in elbow (2).END OF TASKTESTINGFIELD OPERATIONAL TESTNOTEUse judgment in evaluating speedometer readings by considering the variables that may effectthe speedometer.A cable driven speedometer can be affected by temperature and moisture, amount of bend inthe cable, age, number of miles on the carrier, amount of lubricant used, and manufacturingtolerance error of ± 5 percent. All of these possibilities can result in speedometer lag (a readingslower than actual speed during acceleration).The angle in which the driver looks at the speedometer can cause a 1 to 2 mile per hour error/difference. The height of an individual, seat height, or angle could account for inconsistency inspeedometer readings. The higher the driver’s vantage point, the more he tends to read belowthe actual speed.If the transmission shifts smoothly and reaches top speed (30 to 39 mph (48 to 63 kph)) withoutlagging during wide open throttle tests, consider the adjustment complete even if thespeedometer reading is somewhat outside the limits shown in the following steps.1. Operate the carrier (see your -10). Drive the carrier on straight, level terrain with shift lever in the 1-4 position.Accelerate carrier with accelerator pedal fully depressed (wide open throttle). Verify that the following transmissionshifts occur at the speeds shown:Upshift 1 to 2 7 mph (11 km/h) minUpshift 2 to 3 18 mph (29 km/h) max0213 00-5
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