TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 HELICAL-COIL INSERT REPLACEMENT 0029 00 INSTALLATION 1. Loosen setscrew (5). 2. Install new insert (1) on insertion tool (6). a. Turn handle until shaft (7) extends past tip of insertion tool (6), slightly longer than length of insert (1). b. Screw new insert (1) on shaft (7) until tang (A) of insert goes into shaft notch (B). 3. Set depth of insertion tool (6). a. Adjust distance (C) between end (D) of insert (1) and tip (E). Turn handle until distance is equal to installation depth below surface of tapped hole. See procedural work package for proper installation depth. b. Push down stop collar (8) until it contacts body of insertion tool (6). c. Tighten setscrew (5). 4. Remove insert (1) from insertion tool (6). 5. Turn handle (9) until shaft (7) retracts fully into insertion tool (6). 6. Place insert (1) in opening (F) of insertion tool (6). 7. Turn handle (9) until tang (A) of insert (1) is even with tip of insertion tool (6). CAUTION Insertion tool must be straight and not allowed to wobble when installing insert. Equipment can be damaged. Do not force insert into tapped hole. Threads will be damaged. 8. Install new insert (1). a. Put tip of insertion tool (6) against tapped hole (G) being sure that insertion tool is straight. b. Slowly turn handle (9) of insertion tool (6) to the right until stop collar (8) contacts body of insertion tool. c. If insert (1) does not go into tapped hole (G) easily, go to step 9. If insert (1) does go into tapped hole (G) easily, go to step 12. 9. Remove insertion tool (6). a. Turn handle (9) of insertion tool (6) counterclockwise until insertion tool can be removed. 9 F 1 8 9 1 8 6 A 6 6 5 1 C 1 G 7 E D B A 6 1 1 WP 0029 00-3