TM 10-3930-669-20 d.  Tilt Cylinder Hose Replacement. (1) Removal. (a) Remove hose (62) from two elbows (63 and 64). (b)   Remove hose (65) from elbow (66) and fitting (67). (c)   Remove hose (68) from two elbows (69 and 70). (d)   Remove hose (71) from elbow (72) and fitting (73). (2) Installation. (a)   Install hose (71) on elbow (72) and fitting (73). (b)   Install hose (68) on two elbows (69 and 70). (c)   Install hose (65) on elbow (66) and fitting (67). (d)   Install hose (62) on two elbows (63 and 64). 17-45