6V190 CLAMP INSTALLED

TM-5-3805-260-24 Scraper Tractor: Elevating Self-Propelled 11 Cubic Yard Sectionalized and Nonsectionalized Manual
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TM 5-3805-260-24 NOTE: If locknut (22) on the 3P2226 Collet is too tight, it can cause interference in the operation of the dial indicator. 6V190 CLAMP INSTALLED 24. Shaft. 25. 6V190 Clamp. Put 6V190 Clamp (25) in the position shown, next to the transfer pump end. Clamp (25) pushes shaft (24) down against the bottom of its bearing. The other end of shaft (24) is held down against its bearing by 3P1546 Calibration Pin (7) which is held b) 8S7271 Screw (11). The combination of forces from clamp (25) and calibration pin (7) is necessary to hold shaft (24) in its normal operating position against the lifting force from the spring in calibration pump (1). DIAL INDICATOR POSITION 4. 3P1568 Dial Indicator with 3P2226 Collet. 25 Clamp. NOTE: When checking pumps on the "slave" side [side opposite from governor control lever (16)], put clamp (25) on both ends of sleeve shaft as shown. Put dial indicator (4) on the calibration pump (1) as shown. Hold it tightly in place. Move shaft (24) toward the governor end to remove end play. To remove any clearance in the link- age, lift the crossover lever dowel and rapidly let it go. Do this several times. Then look at the reading on the dial indicator (4). INSTALLING CLAMP ON "SLAVE" SIDE 25. 6V190 Clamps. 13. If the dial indicator (4) reading is more than + 0.050 mm from "0.000" (outside the TOTAL TOLERANCE).do steps 17 through 20, ADJUSTING FUEL, PUMP CALIBRATION DIAL INDICATOR READING Desired reading for all pumps is "0.000" Maximum permissible tolerance for pump readings in any FUEL INJECTION PUMP GROUP is 0.100 mm(- 0.050 to -0.050 mm on dial indicator). Maximum permissible differences between any two pumps in the same FUEL INJECTION PUMP GROUP is 0.050 mm. TOTAL TOLERANCE shows the maximum permissible range of pointer positions which are acceptable. If any reading Is outside the range of TOTAL TOLERANCE, do ADJUSTING FUEL PUMP CALIBRATION for all pumps. BAND is an example only. It shows a 0.050 mm range. This range shows the maximum permissible difference between any two readings for all the pumps. If any two readings are farther apart than the 0.050 mm range, do ADJUSTING FUEL PUMP CALIBRATION for all pumps. If the dial indicator (4) reading is near either end of the TOTAL TOLERANCE, check another pump. If the next reading is outside the TOTAL TOLERENCE or if the two readings have a dif- 2-61

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