TM 10-3930-659-34 4-60. PIVOT PINS AND BUSHINGS REPLACEMENT (Con’t). 3. Position  hydraulic  jack  under  center  of  carriage  assembly  (13).  Raise  jack  enough  to  remove  weight  of  loader frame (11) from pivot pins (1 and 7). NOTE If only replacing pivot pins, replace one pivot pin at a time to aid during installation. 4. Remove screw (3), washer (4), spacer (5), and lower pivot pin (1) from engine frame (6). 5. Remove lubrication fitting (2) from lower pivot pin (1). Discard lubrication fitting. 6. Remove locknut (9), retainer (8), and upper pivot pin (7) from engine frame (6). Discard locknut. 4-226