TM 10-3930-659-20 17-6. MAIN HYDRAULIC PUMP REPLACEMENT. This Task Covers: a.    Removal b.    Installation Initial Setup: Equipment Conditions: Materials/Parts: • Parking brake set (see TM 10-3930-659-10). •  One gasket • Frame  locking bar installed (see TM 10-3930- 659-10). Tools/Test Equipment: • Fork/brake hydraulic pump removed (see para- graph 17-5). •  General mechanic's tool kit (Item 44, Appendix F) • Hydraulic reservoir-to-main hydraulic pump line and fittings removed (see paragraph 17-18). Personnel Required:  Two • Priority valve-to-main hydraulic pump line and fittings removed (see paragraph 12-8). References: •  TM 10-3930-659-10 a. REMOVAL WARNING Use  extreme  caution  when  handling  heavy  parts.    Lifting  device  Is  required  when  parts weigh over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two person lift, and  over  150  lb  (68  kg)  for  a  three  or  more  person  lift.    Keep  clear  of  heavy  parts supported only by lifting device.  Failure to follow this warning may cause serious Injury or death to personnel. 1. Remove four screws (3), washers (2), main hydraulic pump (4), and gasket (7) from transmission (1).  Discard gasket. TA707623 17-19