TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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CAUTION/WARNING Caution: The splined coupler halves are a matched set. Damage or wear to the sleeve or hub of either coupling half requires the replacement of a complete coupler assembly. (Figure 4-59) Caution: Overtightening will damage tube ferrule causing fuel leaks. (Figure 4-86) Caution: Do not run engine above idle and not longer than ten minutes without cooling fans. (Figure 4-87) Warning: The valve cover is spring loaded. Exercise care when removing cover. (Figure 4-93) Caution: Check to be certain the original seating gasket has been removed and discarded before installing a new gasket on the nozzle. The inadvertent installation of two seating gaskets would damage the nozzle retainer spring. (Figure 4-1 53) ..—. Caution: Do not damage sealing surface on flange of intercylinder preformed hose — as it will cause oil leaks and replacement of hose will be required. (Figure 4-157) .- — . .——. — Warning: When only one cylinder is checked, there is the possibility of the engine firing on the other cylinders when compression check is being made. To prevent engine firing, remove all nozzles then check cylinder compression. Unless all nozzles are removed, the engine motoring rpm will be below desired cylinder checking rpm. (Paragraph 4-22a) Caution: Make certain the improvised tool is properly secured before removing housing and that the fan drive housing is being lifted straight up off the studs. (Figure 5-124) Caution: Use care in removing the flywheel from the dowel pins so as not to bind the flywheel on the pins. (Figure 5-162) Warning: Particles blown by compressed air are hazardous. Make certain air stream is directed away from user and that other persons are not exposed. Protect eyes and face with appropriate shields. (Paragraph 6-2b(4)) I Caution: Do not attempt to preheat by using welding torch. (Paragraph 6-4c(5 ) ) [