TM 10-3930-659-20 17-25.    FORK/BOOM CYLINDER HOSES AND LINES REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Equipment Conditions: Materials/Parts: •    Parking brake set (see TM 10-3930-659-10). Rags (Item 27, Appendix C) •    Frame locking bar Installed (see TM 10-3930- Marker tags (Item 33, Appendix C) 659-10). Eight preformed packings •    Front bottom guard removed (see paragraph 14-9). •    Loader frame cover removed (see paragraph TM 10-3930-659-10 14-11). Tools/Test Equipment: •    General mechanic's tool kit (Item 44, Appendix F) NOTE • Left and right fork/boom cylinder hoses, lines, and fittings are removed and installed the same way.  One set of hoses, lines, and fittings Is Illustrated. • All hoses and lines should be tagged before removal.  Refer to paragraph 2- 18 for tagging Instructions. •  A  suitable  container  should  be  used  to  catch  any  draining  hydraulic  fluid. Ensure that all spills are properly cleaned. a. REMOVAL 1. Remove hose (22) and preformed packing (23) from elbow (24).Discard preformed packing. 2. Remove elbow (24) and preformed packing (25) from fork/boom cylinder (1).Discard preformed packing. 3. Remove hose (22) and preformed packing (2) from elbow (3).Discard preformed packing. 4. Remove elbow (3) and preformed packing (4) from locking control valve (5).Discard preformed packing. 5. Remove hose (9) and preformed packing (8) from elbow (7).Discard preformed packing. 6. Remove elbow (7) and preformed packing (6) from locking control valve (5).Discard preformed packing. 7. Remove hose (9) and preformed packing (13) from line (19).Discard preformed packing. 8. Remove screw (10), clamp (11), and spacer (12) from clamp bar (17). 9. Remove line (19) and preformed packing (20) from tee (21).Discard preformed packing. 10. Remove two nuts (14), four washers (15), two screws (18), and clamp bar (17) from loader frame (16). 17-78

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