TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TM 9-2815-220-34 I Nozzle holder as�cmbly port 2 Cylinders exhaust port 3 Oil cooler inlet and outlet hose opening b. Position cover adapter (16, Fig. 3-230) on front fan drive shaft cover (15). Similarly, position adap- ter (24) on rear fan drive shafl cover (25). Join the two shaft covers (15 and 25) using rubber hose (20) and two hose clamps (19 and 21). Tighten hose clamps just enough to hold the covers together as a unit. Install a preformed packing (14 and 26) on adapter end of each shaft cover. Install retaining ring (13) on front fan drive shaft (12). NOTE Do not install retaining ring in groove lo- cated on the front spline. Ring must be located beyond the spline at this time. c. Install front fan drive shaft with retaining ring in front fan drive bevel gearshaft (21, fig. 3-216) of front fan drive housing and clutch asserr- bly. Long spline must ente1· gearshaft. Install ti e assembled drive shaft covers over the front fan drive shaft with sho1t housing toward front fan drive housing as shown in figure 3-323. . Install improvised front fan drive housing lift- 3·230 Change 2 4 Ora+1 wuc opn+1g 5 Oil filler and oil level indicator openirtS 6 Starter adapter opening ing lool {fig. 2-l) on vertical drive shaft {fig. 3-323). Apply light coat of sealing compound (MIL-S-45180 ORD) on mounting base and lowel' front fan drive housing assembly and associated parts on mount- ing base. e. Secure front fan drive housing to mounting base with two .drilled head capscrews and flat washers (fig. 3-82) and secure with locking wire. U Install nine self-Jocking nuts nnd nut washers (fig. 3-81) when fire extinguisher tube is installed. f Push fan drive shaft lo the rear lo fully engage I the s pl ine in the rear fan drive bevel gearshafl. Using retaining ring pli ers part number GGG-P-480A-Type I I, Class 3, Style B, Size 22 in- stall retaining ringin fan drive shaft spline groove (fig. 3-78). Secure front horizontal fan drive shaſt cover adapter to fronl fan drive housing with two self-locking nuts and flat washers (fig. 3-76). Secure rear cover adapter to rear drive housing with two self-locking nuts and flat washers. Center hose on drive shaft housings and tighten two hose clamps. ) )