TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 78 of 953
3-29. FUEL TANK FILLER SPOUT VENT LINE REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Disconnect vent line (2) from fuel filler spout elbow (3). 2. Remove locknut (7), washer (5), capscrew (4), and washer (5) securing vent line (2) and clamp (6) to body (1). Discard locknut (7). 3. Disconnect and remove vent line (2) from tee (12). 4. Disconnect vent line (10) from tee (12). 5. Remove capscrew (15) securing vent line (10) and clamp (11) to body (1). 6. Loosen two nuts (13) to allow access to elbow (8). 7. Disconnect vent line (10) from elbow (8) on fuel tank (9), cut vent line (10), and remove vent line (10) from crossmember (14). INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Locknut (Appendix G, Item 70) Adhesive (Appendix C, Item 1) Sealing compound (Appendix C, Item 46) Manual References TM 9-2320-280-24P Equipment Condition Rear propeller shaft removed (para. 6-4). b. Installation NOTE Use sealing compound on all vent line connector threads before installation. 1. Install vent line (10) and connect to elbow (8) on fuel tank (9). NOTE Upper and lower straps should be approximately 1/2 in. (12 mm) apart after tightening locknuts. Straps should not touch when properly installed. Straps must be replaced if upper and lower straps touch. 2. Apply adhesive to threads of nuts (13) and tighten nuts (13) to 23-27 lb-in. (3-5 N•m). 3. Install clamp (11) and vent line (10) to body (1) with capscrew (15). 4. Route vent line (10) through crossmember (14). 5. Connect vent line (10) to tee (12). 6. Install vent line (2) and connect to tee (12). 7. Install vent line (2) and clamp (6) on body (1) with washer (5), capscrew (4), washer (5), and locknut (7). Tighten locknut (7) to 6 lb-ft (8 N•m). 8. Connect vent line (2) to fuel filler spout elbow (3). TM 9-2320-280-20-2 3-56 Change 3