TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download

Jar bal l bearing retaining ring (22). Using a suit- able puller, remove camshaft end plate annular ball bearing (23). Remove inner annular ball bearing retaining ring (22). b. Remove capscrew (24) and lockwasher (25). Remove throttle lever assembly (26) and Wood- ruff key (16) from throttle control straight shaft (17). c. Remove outer retaining ring(27), flat washer (28) and manual fuel shutoff lever (29). Remove inner flat washer (28) and inner retaining t·ing (27). Remove two plain seals (30) and two sleeve bearings (31) from control lever (32). d. Remove capscrew (20), lockwasher (19), con- trol lever(18), Woodff key (15), two flat washers (49), and throttle control lever leek (50) from throttle control stl'Right shaft (17). e. Loosen hexagon plain nut (52) and remove machine screw (53) and angle bracket (51) from remote control lever (47). Remove retaining ring (48). Using a suitable puller, remove remote control lever (47), two annular ball bearings (45), and two retaining rings (46) as an assembly. Remove annular ball bearings(45) and retaining rings (46) from remote control lever (47). f. Remove two capscrews(1), lockwashers (2), and remove electrical solenoid (3), by disengaging ) solenoid link (8) from eye on inner solenoid control housing (10). Remove and discard gasket (4) and cotter pin (9). Remove headed straight pin (7), solenoid link (8), compression spring helical re- tainer (6), and compression helical spring (5) from electrical solenoid (3). g. Remove three capscrews (34), lockwashers (35), flat washers (36), and access cover (37) from outer solenoid control housing (41). Remove and discard gasket (38). h. Loosen hexagon plain nut (44) and remove machine screw (43) from inrier solenoid control housing (10). Remove outer retaining ring (14) and flat washer (13) from t hrottle control straight shaft (17). Slide shaft through inner and outer solenoid control housings until annular ball bearing (40) and retaining rings (39) are ex- posed. Remove outer retaining ring (39). Using a suitable puller, remove annular ball bearing (40). Remove inner retaining ring (39). Separate inner and outer solenoid control housings and remove outer solenoid control housing (41) and encased plain seal (42) from shaft. Remove encased plain seal (42) from outer solenoid control housing (41). Remove inner retaining ring(14), flat washer (13), and inne1· solenoid control housing (10), with TM 9-2815-220-34 installed needle roller bearings (11), and encased plain seal (12), from throttle control straight shaft (17). Remove needle roller bearings (11) and encased plain seal(12) from inner solenoid control housing (10). i. Olctcd j. Remove two hose clamps (2, fig. 3-259.2) and dust and moisture seal boot (3) om yicldablc controt rod assembly (6). Loosen hexagon plain nut (I I) anq remove right hand rod end plain bearing (10) from goveor control rod (12). Loosen hexagon plain nut (23) and remove left hand rod encl plain bearing (24) from governor control rod (12 ). k. Remove hexagon head capscrew (9), and lockwasher (8). Remove bell crank (7) and Wood- ruff key (22) from straight shaft (13). Remove two retaining rings (14). Remove rotating eye bracket (18), two replacement bearing shields (15), two annular ball bearings (16), and two retaining dngs (17) from straight shaft (13), as an assembly. Remove two replacement bearing sltields (15), two annular ball bearings (16), and two retaining rings (17) from rotating eye bracket (18). NOTE The rod bcari n� 011 the yieldable con- trol rod assembly are pinned and are not to be disassembled. 3-109.3. Cleaning Refer to paragraph 3-36. 3-109.4. Inspection and Repair Refer to paragt·aphs 3-37 and 3-38 for procedure and tables 3-28.1 and 3-28.2 for repair standards. 3-109.5. Assembly a. Install two sleeve bearings (31, fig. 3-259.1), one in each end of control lever (32). Bearings must be installed 0.250 inch below end surface of lever. Ream bearings to a diameter of 0.6270 - 0.6290 inch, after installation. Clean lever after bearings are reamed, bere seals are installed. Install two plain seals(30), one in each end of control lever(32). Lip of seal must be to outside. Seal must be in- stalled flush or below end surface of lever. b. Install two retaining rin� (17, fig. 3-259.2) and two annular ball bearings (16) in rotating eye bracket (I 8). Install straight shaft (13) in assem- bled rotating eye bracket and secure with two replacement bearing shields (I 5) and two retain- ing rings (14). Inslall Woodruff key (22) and bell crank (7) on straight shaft (13). Install capscrew(9) � md lockwasher (8) in bell crank. Change 3 3·165